Released
18 Aug 2026
Status
Current
Context
1M
Max output
131.1K
Input per 1M tokens
$1.40
Output per 1M tokens
$4.40
Open weights
Yes
License
glm-5.3
Parameters
—
Knowledge cutoff
—
Reasoning
Yes
Modalities
text → text

Category scores

Out of 100, from independent and third-party results only, by method category-2026-09-29.1.

Category scores
CategoryScoreRankCoverage
Knowledge & reasoning41.1342 of 4
Coding & software engineering54.5Not ranked2 of 5
Factuality & hallucination41.0361 of 1
Human preference69.6Not ranked2 of 5

Benchmark results

Every result we hold for this model, with who ran it and where it was published.

Knowledge & reasoning

Knowledge & reasoning results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
Chess PuzzlesPuzzles solved21.0%Independentmax24 Aug 2026Epoch AI
DTBench (Decision Theory Benchmark)Accuracy (capability questions)87.7%Third partyunknown—https://conceptualreasoning.ai/dtbench via Epoch AI
Humanity's Last Exam (HLE)Accuracy62.5%Self-reported——Model Card via Hugging Face Community Evals
LMCA (Language Model Conceptual Argumentation)Correlation with expert ratings (Pearson r)0.5551Third partyunknown—https://conceptualreasoning.ai/lmca via Epoch AI
Mystery Game PuzzlesPuzzles solved33.0%Independentmax30 Aug 2026Epoch AI

Scientific reasoning

Scientific reasoning results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
GPQA DiamondAccuracy90.9%Independentmax24 Aug 2026Epoch AI

Mathematics

Mathematics results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
FrontierMath Tier 4Accuracy29.3%Independentmax25 Aug 2026Epoch AI
FrontierMath Tiers 1-3Accuracy68.8%Independentmax25 Aug 2026Epoch AI
OTIS Mock AIME 2024-2025Accuracy91.1%Independentmax24 Aug 2026Epoch AI

Coding & software engineering

Coding & software engineering results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
DeepSWEPass@169.0%Third partymax—https://deepswe.datacurve.ai/ via Epoch AI
FrontierCodeMain score (Mean@5)40.1%Third partymax—https://cognition.com/frontiercode via Epoch AI
WeirdML (v2)Average accuracy75.4%Third partymax—https://htihle.github.io/weirdml.html via Epoch AI

Professional knowledge work

Professional knowledge work results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
APEX-AgentsPass@1 (all rubric criteria met)56.6%Source not statedunknown—Epoch AI via Epoch AI

Factuality & hallucination

Factuality & hallucination results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
SimpleQA VerifiedAccuracy (% correct)41.0%Independentmax28 Aug 2026Epoch AI

Human preference

Human preference results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
Code Arena: WebDev (arena.ai)Arena score (Elo scale)1619Independentmax25 Sep 2026Arena
Code Arena: WebDev (arena.ai)Votes6410Independentmax25 Sep 2026Arena
Text Arena (arena.ai)Arena score (Elo scale)1480Independentmax25 Sep 2026Arena
Text Arena (arena.ai)Votes15904Independentmax25 Sep 2026Arena

Other GLM versions

Sources