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LFM2.5 1.2B Q4_0

1 tested weight format · Explore results, then inspect the answers.

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Q4_0 · 0.7 GB download

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Setup, memory & provenance · Q4_0

Q4_0 · 0.7 GB of weights · vulkan · context 16384 · GPU layers 99

Small · under 5B · dense · 1.2B total

Memory fit has not been verified for this configuration.

partial

Recorded settings and thinking verification

Temperature 0 · seed 42 · output limit 4096 · reasoning effort unrecorded

RAM labels describe the test computer, not this model’s memory requirement. Speed comparisons keep the 32 GB and 128 GB runs separate.

Runtime build: unrecorded · Local · test machine with 32 GB RAM · concurrency: 1

Thinking status: ignored switch · probe 2 · scope Saved profile-level probe; exact historical template/build scope is not fully recorded..

Requested off does not prove an absence of reasoning. Saved checks do not establish unrecorded historical template or build details.

Overall across tasks

17.3 / 100

Nine categories, equally weighted · 9/9 eligible

Complete coverage for this setup. Quality only; speed is separate. How the index works →

What does it do well?

Select a category to explore the answers. Bars show what happened on every planned task. Incorrect answers and failures to finish both earn zero; technical problems and untested tasks stay unscored.

Exact scores and task times by suite

Each suite has its own metric and fixed task bank. The balanced index weights categories equally; individual scores and evidence remain available below.

Test suiteThinking offDetails
Everyday coding tasksTask pass rate
Pass rate
2/16 · 13%
Answers completed
16/16 · 100%
Correct / completed
2/16 · 13%
2 full credit14 incorrect
16/16 scored1.4s median task time · 16 measured
Larger practical tasksMean task credit
Average credit
0.0%
Full-credit rate
0/11 · 0%
Answers completed
11/11 · 100%
Full credit / completed
0/11 · 0%
11 incorrect
11/11 scored1.5s median task time · 11 measured
Logic and number puzzlesMean puzzle credit
Average credit
38.3%
Full-credit rate
10/34 · 29%
Answers completed
34/34 · 100%
Full credit / completed
10/34 · 29%
10 full credit8 partial credit16 incorrect
34/34 scored2.5s median task time · 34 measured
Published hard problemsMean answer credit
Average credit
3.5%
Full-credit rate
0/11 · 0%
Answers completed
11/11 · 100%
Full credit / completed
0/11 · 0%
4 partial credit7 incorrect
11/11 scored5.9s median task time · 11 measured
Following exact instructions · original campaignStrict prompt compliance
Pass rate
20/23 · 87%
Answers completed
23/23 · 100%
Correct / completed
20/23 · 87%
20 full credit3 incorrect
23/23 scored1.7s median task time · 23 measured
Reading without guessingExact-match accuracy
Pass rate
0/16 · 0%
Answers completed
16/16 · 100%
Correct / completed
0/16 · 0%
16 incorrect
16/16 scored0.6s median task time · 16 measured
Calculating from a passageNumeric exact-match accuracy
Pass rate
1/7 · 14%
Answers completed
7/7 · 100%
Correct / completed
1/7 · 14%
1 full credit6 incorrect
7/7 scored0.7s median task time · 7 measured
Reading research papersAnswer token F1
Average credit
0.0%
Full-credit rate
0/8 · 0%
Answers completed
8/8 · 100%
Full credit / completed
0/8 · 0%
8 incorrect
8/8 scored1.7s median task time · 8 measured
Resisting incorrect correctionsAll-branches pass rate
Pass rate
0/12 · 0%
Answers completed
12/12 · 100%
Correct / completed
0/12 · 0%
12 incorrect
12/12 scored0.7s median task time · 12 measured
Following exact instructions · 128 GB campaignStrict prompt complianceNot planned

Model analysis

This analysis covers this configuration across its recorded thinking conditions and test suites.

Use this model for quick writing with explicit wording and formatting rules, not as a general-purpose coding or research assistant. With thinking requested off, it handled most instruction-following tasks. That useful niche does not extend to project work: small coding tasks were mostly unsuccessful, and larger tasks showed no success. Source-backed reading and handling corrections were also severe weaknesses.

Evidence for this judgment
Following exact instructions · Thinking off
Tasks passed20 of 23 (87.0%)
Test coverage23 of 23 tasks scored
Tasks timed23 tasks
Typical time per task (median)1.7 seconds
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Everyday coding tasks · Thinking off
Tasks passed2 of 16 (12.5%)
Test coverage16 of 16 tasks scored
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Larger practical tasks · Thinking off
Average score0.0/100 · Mean task credit
Test coverage11 of 11 tasks scored
Task outcomes0 full credit · 0 partial · 11 no credit
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Reading without guessing · Thinking off
Tasks passed0 of 16 (0.0%)
Test coverage16 of 16 tasks scored
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Resisting incorrect corrections · Thinking off
Tasks passed0 of 12 (0.0%)
Test coverage12 of 12 tasks scored
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Original analysis generated by GPT Astra · · Edited by Codex; agent reviewed by Codex · publication authorized by user

About this summary

Codex reviewed this assessment against a newer evidence edition. The original analyst, generation date and source draft remain recorded separately from the editorial revision.

Analyst provider
openai
Generation route
Codex CLI · codex-cli 0.162.1 · ChatGPT account
Requested model
gpt-6-astra
Returned model
Not supplied; identity is recorded from the request only.
Exact provider snapshot
Exact provider snapshot not supplied.
Reasoning effort
high
Prompt version
model-summary-reader-v6
Generation time
2026-10-12T05:34:45.558130Z
Review time
2026-10-22T07:26:27.166641+00:00
Evidence reviewer
Codex (agent)
Publication authorization
User · 2026-10-22T05:55:43.625712+00:00 · Go ahead and complete the remaining work. Spin up agents: luna, terra, sol, astra, as needed to get it done. Narrative summaries: these are the astra generated summaries? Go ahead and get those completed as well. Once all of this is done, you may push the completed result.
Originating evidence edition
dataset-b1aa28e61ea9ce402d5617e636622c22565093f8849fd66537b5f4353d228521
Analysis input hash
1d632e52fc4b686aca10959fe169c721d53313ff1cbbb097d9fbe0003c94360b
Original analysis input hash
3258e0fdfd91742533980ef112adc991f6517c7e8378420b4e2bb67c4fa2e1e0
Editorial evidence edition
dataset-5a6f96ec56c3d240cc42fa23147c1495da1be71f3ef0722c0e5f8c4f5e126a83
Original summary
summary-6fb16b2fd172e5fd682d7e446c92debaac9ec0c0bef81539e269b482e0c649bd
Summary revision
summary-cd428621782847a6ad00365d5b1fe557803070c2fe512862cf816f0519303e10

Generation and editorial authorship remain attached to this revision. Changing the default generator does not change this attribution.

Contributing analyses (1)
  • GPT Astra ·
    Analysis stage
    direct
    Requested / returned model
    gpt-6-astra / Not supplied
    Exact provider snapshot
    Exact provider snapshot not supplied.
    Reasoning effort
    high
    Prompt version
    model-summary-v3
    Analysis input hash
    98a5ee4c390ee85caa466822fdb8014ceffb6adc22aa8333a808e8fc2ee8e4c8
    Summary revision
    summary-94e1199c8e15fd88fa8ad07d163707ae82d0d54ea688aa3922b671fdae067d36
    Input summary revisions
    Direct evidence analysis

Good at

Handles explicit wording, length, language and formatting constraints well on these tests. That makes it useful for constrained drafting, provided you check content accuracy separately.

Evidence for this judgment
Following exact instructions · Thinking off
Tasks passed20 of 23 (87.0%)
Test coverage23 of 23 tasks scored
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Struggles with

Struggles to complete project work, even small coding tasks. Larger practical tasks produced no successful outcomes, making it a poor choice for independently editing projects or carrying out longer tasks with tools.

Evidence for this judgment
Everyday coding tasks · Thinking off
Tasks passed2 of 16 (12.5%)
Test coverage16 of 16 tasks scored
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Larger practical tasks · Thinking off
Average score0.0/100 · Mean task credit
Test coverage11 of 11 tasks scored
Task outcomes0 full credit · 0 partial · 11 no credit
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Avoid relying on it for source-backed answers: passage answers never matched exactly, research-paper answer matching scored 0.0% average credit, and every end-to-end test of keeping or updating an answer under challenge failed.

Evidence for this judgment
Reading without guessing · Thinking off
Tasks passed0 of 16 (0.0%)
Test coverage16 of 16 tasks scored
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Resisting incorrect corrections · Thinking off
Tasks passed0 of 12 (0.0%)
Test coverage12 of 12 tasks scored
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Reading research papers · Thinking off
Average score0.0/100 · Answer token F1
Test coverage8 of 8 tasks scored
Task outcomes0 full credit · 0 partial · 8 no credit
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Calculations from passages and difficult math/reasoning problems were weak. Logic and number puzzles showed mixed success rather than a dependable reasoning capability; check the reasoning, not just the answer format.

Evidence for this judgment
Calculating from a passage · Thinking off
Tasks passed1 of 7 (14.3%)
Test coverage7 of 7 tasks scored
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Published hard problems · Thinking off
Average score3.5/100 · Mean answer credit
Test coverage11 of 11 tasks scored
Task outcomes0 full credit · 4 partial · 7 no credit
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Logic and number puzzles · Thinking off
Average score38.3/100 · Mean puzzle credit
Test coverage34 of 34 tasks scored
Task outcomes10 full credit · 8 partial · 16 no credit
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Compared with other models

With thinking requested off, it narrowly led the other tested small dense models on exact instructions, but ranked near the bottom on small-project coding. Its instruction-following advantage does not establish broader superiority. On exact-instruction tasks with thinking off, this setup was fastest in the matched same-machine timing group while matching the best score.

Evidence for this judgment

Following exact instructions
Thinking off. Small · under 5B · dense. Rank 1 of 9 in this recorded comparison.

Everyday coding tasks
Thinking off. Small · under 5B · dense. Rank 7 of 8 in this recorded comparison.

Following exact instructions · Thinking off
Tasks passed20 of 23 (87.0%)
Test coverage23 of 23 tasks scored
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View this model’s answers, code and tool activity →

Everyday coding tasks · Thinking off
Tasks passed2 of 16 (12.5%)
Test coverage16 of 16 tasks scored
Explore these test results →

View this model’s answers, code and tool activity →

Speed: Following exact instructions
Thinking off. Matching test-machine label and execution settings; spans model sizes. Timings include unsuccessful tasks, so read them alongside quality.

Following exact instructionsThinking off · Small · under 5B · dense

Keep to rules about wording, length, language and formatting.

Strict prompt compliance · 0–100% · higher is better
23 of 23 tasks scored for each model.

Gaps are relative to this model. Treat small gaps cautiously.

  1. #1 LFM2.5 1.2B Q4_01.2B total parameters87.0%
    This model
  2. #2 Qwen3.5 4B4.2B total parameters82.6%
    1 task fewer passed
  3. =3 Gemma 4 E2B Q4_04.6B total parameters69.6%
    4 tasks fewer passed
  4. =3 Granite 4.0 Micro 3.4B Q4_03.4B total parameters69.6%
    4 tasks fewer passed
  5. #5 Qwen3.5 2B Q4_K_M1.9B total parameters65.2%
    5 tasks fewer passed
  6. #6 Phi-4 Mini Instruct 3.8B Q4_K_M3.8B total parameters60.9%
    6 tasks fewer passed
  7. #7 SmolLM3 3B Q4_K_M3.1B total parameters52.2%
    8 tasks fewer passed
  8. =8 Phi-4 Mini Reasoning 3.8B Q4_K_M3.8B total parameters34.8%
    12 tasks fewer passed
  9. =8 Qwen3.5 0.8B Q4_00.8B total parameters34.8%
    12 tasks fewer passed
How this comparison works

Share of tasks that passed the recorded checks. Family comparisons show the labeled Instruct and reasoning versions. Other peer comparisons use the same requested thinking setting, not necessarily each model’s best mode. Small differences on these short tests may not hold on other tasks. Peer membership varies by test coverage and compatible settings.

Comparison saved with the 2026-10-12 assessment. Task-specific results.

Everyday coding tasksThinking off · Small · under 5B · dense

Find information in a small project, edit files and fix bugs.

Task pass rate · 0–100% · higher is better
16 of 16 tasks scored for each model.

Gaps are relative to this model. Treat small gaps cautiously.

  1. #1 Qwen3.5 2B Q4_K_M1.9B total parameters100.0%
    14 tasks more passed
  2. #2 Qwen3.5 4B4.2B total parameters93.8%
    13 tasks more passed
  3. #3 Qwen3.5 0.8B Q4_00.8B total parameters37.5%
    4 tasks more passed
  4. #4 Gemma 4 E2B Q4_04.6B total parameters31.3%
    3 tasks more passed
  5. #5 Granite 4.0 Micro 3.4B Q4_03.4B total parameters25.0%
    2 tasks more passed
  6. #6 SmolLM3 3B Q4_K_M3.1B total parameters18.8%
    1 task more passed
  7. #7 LFM2.5 1.2B Q4_01.2B total parameters12.5%
    This model
  8. #8 Phi-4 Mini Instruct 3.8B Q4_K_M3.8B total parameters0.0%
    2 tasks fewer passed
How this comparison works

Share of tasks that passed the recorded checks. Family comparisons show the labeled Instruct and reasoning versions. Other peer comparisons use the same requested thinking setting, not necessarily each model’s best mode. Small differences on these short tests may not hold on other tasks. Peer membership varies by test coverage and compatible settings.

Comparison saved with the 2026-10-12 assessment. Task-specific results.

Speed and task success: Following exact instructionsThinking off · Matching test-machine label and settings · Across model sizes

Shorter task time is better only when the result is useful. These times include failures, tools and grading. Token generation speed measures a different part of the work.

Compare timings and outcomes
ModelTypical task timeGeneration speedTasks passed
LFM2.5 1.2B Q4_0This model1.7 seconds23 of 23 tasks timed319.0 tokens/s20 of 2323 of 23 scored
Qwen3.5 0.8B Q4_02.9 seconds23 of 23 tasks timed248.5 tokens/s8 of 2323 of 23 scored
Ling 3.0 Tiny Q4_03.3 seconds23 of 23 tasks timed138.9 tokens/s14 of 2323 of 23 scored
Mellum 2.1 12B-A2.5B Thinking3.6 seconds23 of 23 tasks timed140.2 tokens/s14 of 2323 of 23 scored
Granite 4.0 Micro 3.4B Q4_03.6 seconds23 of 23 tasks timed111.7 tokens/s16 of 2323 of 23 scored
SmolLM3 3B Q4_K_M3.7 seconds23 of 23 tasks timed129.6 tokens/s12 of 2323 of 23 scored
Phi-4 Mini Instruct 3.8B Q4_K_M3.8 seconds23 of 23 tasks timed108.7 tokens/s14 of 2323 of 23 scored
Nemotron Nano 9B v2 Q4_04.9 seconds23 of 23 tasks timed53.6 tokens/s19 of 2323 of 23 scored
Qwen2.5 Coder 7B Instruct Q4_K_M5.0 seconds23 of 23 tasks timed65.1 tokens/s13 of 2323 of 23 scored
Granite 4.2 8B Q4_06.9 seconds23 of 23 tasks timed57.7 tokens/s18 of 2323 of 23 scored
Ornith 1.5 9B Q4_K_M7.3 seconds23 of 23 tasks timed54.8 tokens/s12 of 2323 of 23 scored
Gemma 4 12B QAT Q4_09.4 seconds23 of 23 tasks timed37.8 tokens/s20 of 2323 of 23 scored
Ministral 3 8B Instruct Q4_K_M10.2 seconds23 of 23 tasks timed54.2 tokens/s14 of 2323 of 23 scored
Phi-4 Mini Reasoning 3.8B Q4_K_M15.2 seconds23 of 23 tasks timed105.8 tokens/s8 of 2323 of 23 scored

Results from this test setup, not a promise for your computer. Hardware, software, tokenizers and answer length can change the ordering. Historical runtime builds were not always captured. Comparison saved with the 2026-10-12 assessment.

Test machine: AMD Ryzen 5 5600X (6 cores / 12 threads) · AMD Radeon RX 6700 XT (12 GB VRAM) · 32 GB or 128 GB system RAM, never mixed in one timing group. Full test machine details

Worth knowing

Thinking-on remains an ineligible preview: its runs were blocked and the control switch was unverified. There is no verified comparison establishing whether enabling thinking improves quality or response time.

Evidence for this judgment

Source limitation
Some suite/condition results are incomplete or ineligible; their observed scores are previews.

Source limitation
Some requested reasoning conditions lack verified control.

Publication redactions and withheld project artifacts limit reader inspection. The paper export provides only a source link; that does not establish what context the model received.

Evidence for this judgment

Source limitation
Some selected evidence has recorded publication redactions.

Example 1: Larger practical tasks
Thinking off. Final result: no credit. A final score does not describe every tool step; this example supports a behavior observation, not a whole-test conclusion.
View the question and recorded answer →

Example 2: Everyday coding tasks
Thinking off. Final result: full credit. A final score does not describe every tool step; this example supports a behavior observation, not a whole-test conclusion.
View the question and recorded answer →

Example 3: Everyday coding tasks
Thinking off. Final result: no credit. A final score does not describe every tool step; this example supports a behavior observation, not a whole-test conclusion.
View the question and recorded answer →

Example 4: Reading research papers
Thinking off. Final result: no credit. A final score does not describe every tool step; this example supports a behavior observation, not a whole-test conclusion.
View the question and recorded answer →

This tested Instruct checkpoint is separate from the incoming Thinking checkpoint. Their results must not be presented as a matched thinking toggle experiment.

Evidence for this judgment

Source limitation
This tested Instruct checkpoint is separate from the incoming LFM 1.2B Thinking checkpoint. Their results must not be presented as a matched thinking toggle experiment.

How to interpret these assessments and their limitations →

One weight format is recorded for this model. Additional tested formats will appear here when available.

What changed in these results

This tested Instruct checkpoint is separate from the incoming LFM 1.2B Thinking checkpoint. Their results must not be presented as a matched thinking toggle experiment.

Thinking tradeoff

No verified on/off comparison is available for this configuration and test suite. Requested modes alone do not establish a controlled thinking comparison.

Instruct vs Thinking / Reasoning

Two versions of the same model family, using separate GGUF checkpoints. Compare the extra task success with the extra time. This is a version comparison, not a switch within one file.

Everyday coding tasks

Scores and times describe this task bank. Quick failures are not a speed advantage. Different execution settings are labeled.

VersionTask resultTypical task timeWeight downloadExplore
LFM2.5 1.2B Thinking Q4_K_MThinking / Reasoning version12.5%16/16 scored11.0 seconds16/16 timed0.73 GBAnswers and code

Compare

LFM2.5 1.2B Q4_0Thinking off12.5%16/16 scored1.4 seconds16/16 timed0.7 GBAnswers and code

Sampled repetitions

Repeated runs are a separate experiment and never add votes to the baseline score.

Thinking off · temperature 0.6

48/48 repeats scored · 4 full-credit repeats.

16/16 questions have every planned repeat scored. Of those, 1 earned full credit on every repeat.

Recorded repetition conditions
  • Seed 101 · requested off · ignored switch
  • Seed 202 · requested off · ignored switch
  • Seed 303 · requested off · ignored switch

Everyday coding tasks: recorded outcomes

Find information in a small project, edit files and fix bugs.

2 full credit14 incorrect

Each segment counts tasks, not credit points. Partial credit varies by task.

Scoring and fixed question bank →

This model’s answers, code and tool activity

Select a question to read the original answer, tool calls and available code changes for this configuration and thinking setting.

1–16 of 16 matching questions · 16 in this version

  • Locate the Retry Limit

    The user asks where the project's retry-limit setting is defined and what value it holds. This exercises locating a named setting in code and reporting both its location and value.

    basic-T1 · primary
  • Find the Release Date

    The user asks for the release date mentioned in a project notes document. This exercises reading a specified file and extracting a particular fact rather than guessing from outside knowledge.

    basic-T2 · primary
  • Change the Retry Limit

    The user asks to change the project's retry limit to a specified value. This exercises finding the relevant setting and making a focused code edit rather than merely describing the change.

    basic-T3 · primary
  • Create an Exact One-Line File

    The user asks to create a text file containing exactly one supplied line. This exercises basic file creation and precise instruction following, including avoiding extra text in the file.

    basic-T4 · primary
  • Explain the Latest Commit

    The user asks what the most recent Git commit changed in the project. This exercises inspecting recorded changes and turning them into a clear explanation of what was modified.

    basic-T5 · primary
  • Count and Compare Python Files

    The user asks how many Python files are in the application folder and which is largest. This exercises identifying relevant files, counting them, and comparing their sizes.

    basic-T6 · primary
  • Add Readable Byte Sizes

    The user asks to add a function that converts byte counts into readable sizes and remove the related TODO comment. This exercises implementing a small utility and updating the surrounding code consistently.

    basic-T7 · primary
  • Collect TODO Comments

    The user asks to find every TODO comment in the Python code and append each to the project's task list on a separate line. This combines searching across files with collecting text into an existing document.

    basic-T8 · primary
  • Fix Code Behind a Failing Test

    The user asks to investigate a failing test and fix the application code without changing the test. This exercises diagnosing a bug while respecting an explicit limit on what may be edited.

    basic-H1 · primary
  • Rename a Function Throughout

    The user asks to rename a network function and update every place in the project that uses it. This exercises tracking references across files and making a coordinated change rather than editing only the definition.

    basic-H2 · primary
  • Find the Proxy Settings

    The user asks to find a proxy configuration file somewhere under the project's parent folder and report its host and port. This exercises searching beyond the project folder and reading configuration values.

    basic-H3 · primary
  • Locate an Error in a Log

    The user asks which error code appears in a long event log and on which line. This exercises finding a specific entry in a large file and reporting its precise location.

    basic-H4 · primary
  • Append a Final Task

    The user asks to append a supplied release-related task as the final line of an existing task list. This exercises preserving existing content while adding exact text in the requested position.

    basic-H5 · primary
  • Calculate Total Retry Waiting

    The user asks for the total time a network function spends sleeping when all attempts fail, worked out from the code. This exercises following retry logic and adding the delays along that failure path.

    basic-H6 · primary
  • Document Every Command-Line Option

    The user asks for a project readme listing every command-line option with its help text. This exercises discovering the program's available options and transferring that information into complete, source-grounded documentation.

    basic-H7 · primary
  • Undo a Commit by Editing

    The user asks to undo the latest Git commit's change by editing the file directly, without using Git to make changes. This exercises understanding a previous edit and reversing it under a method constraint.

    basic-H8 · primary
Filters change this list, not the fixed scoring denominator. Search currently covers question IDs, titles and available task explanations. Focus a control to load prompt/outcome search where this edition provides it.

Suggested comparisons

These are starting points for inspection, not claims that one setup is better. Runtime and placement differences remain visible.

Qwen3.5 0.8B Q4_0

Another checkpoint in the same total-parameter band and architecture category, with matching task controls.

Requested thinking off · Complete compared coverage

Compare these configurations →

Selection rule and evidence IDsPolicy comparisons-v3 · Template same-parameter-architecture-matching-controls
Facts: fact-f61609b3038ba8e6778d4e5a, fact-775ed46998b6dd1af2acd16c
Matching candidate set: fact-775ed46998b6dd1af2acd16c, fact-4bb7924a4c33187258857975, fact-9e831223924ab330a13b6b40, fact-8cd25fbbd82bdae0d5893fac, fact-b158bb60a71073ed7cff8c86, fact-f3caf8beeec8b9313dcb4eaf, fact-c316deeab93502c3e19d46ba, fact-4c13720a63efcc49c96b4505

Tested weights

Q4_0 · 0.7 GB

LiquidAI · recorded source

LFM2.5-1.2B-Instruct-Q4_0.gguf · Exact GGUF file →Historical first-MiB hash only; not a full-file identity.

Explore the answers

Choose a suite to inspect its exact available questions, references and model answers.