Model record

GLM-5.1

reasoningOpen weights

Z.ai · released Apr 7, 2026

Overall standing

Overall
46.9rank 37 of 63
46.9 is at approximately the 42th percentile of the ranked Overall field. The field spans 19.0 to 62.2, with a median of 49.4.
8 of 8 measured
Category standingsReasoning 63.3Coding 52.8Math 4.6Agentic 11.6
Reasoning
63.3rank 35 of 63
63.3 is at approximately the 45th percentile of the ranked Reasoning field. The field spans 31.6 to 73.3, with a median of 65.0.
4 of 4 measured
Coding
52.8rank 36 of 63
52.8 is at approximately the 44th percentile of the ranked Coding field. The field spans 10.4 to 72.4, with a median of 54.5.
2 of 2 measured
Math
4.6rank 34 of 63
4.6 is at approximately the 46th percentile of the ranked Math field. The field spans 0.0 to 32.3, with a median of 5.7.
1 of 1 measured
Agentic
11.6rank 53 of 63
11.6 is at approximately the 17th percentile of the ranked Agentic field. The field spans 3.3 to 33.4, with a median of 19.0.
1 of 1 measured
Model factsOpen weights · $1.4 / $4.4 per 1M

Model facts come from the provider page. Listed API prices carry a separate first-party source and check date.

Provider
Z.ai
Released
Weights
Open weights
Context window
200,000 tokens
Input price / Mtok
$1.4
Output price / Mtok
$4.4
Price source
Official pricing (opens in a new tab)
Reasoning effort
reasoning

Scores and sources

Measured scores retain their source and retrieval date. Missing scores are not treated as zero.

Benchmark scores, evaluation settings, sources, and retrieval dates for GLM-5.1
BenchmarkCategoryScoreEvaluation settingsSource
Terminal-Bench v2.1Coding61.8Artificial Analysis independent run; 89 tasks; Terminus 2 on E2B; 3 repeats; pass@1; 250-episode cap; 2-hour timeoutOpen source (opens in a new tab)
τ³-BankingAgentic11.6Artificial Analysis independent run; 97 tasks; 5 repeats; backend-state pass@1; BM25 plus grep retrieval; 200-step capOpen source (opens in a new tab)
AA-LCRReasoning62.3Artificial Analysis independent run; 100 roughly 100k-token multi-document questions; 3 repeats; equality-checker pass@1; no toolsOpen source (opens in a new tab)
Humanity's Last ExamReasoning28.0Artificial Analysis independent run; 2,158 text-only questions; pass@1; GPT-4o (August 2024) equality checker; no toolsOpen source (opens in a new tab)
GPQA DiamondReasoning86.8Artificial Analysis independent run; 198 questions; 5 repeats; regex-graded pass@1; no toolsOpen source (opens in a new tab)
SciCodeCoding43.8Artificial Analysis independent run; 288 test subproblems; scientist background included; 3 repeats; subproblem pass@1Open source (opens in a new tab)
IFBenchReasoning76.3Artificial Analysis independent run; 294 single-turn prompts; 5 repeats; official loose evaluator; prompt-level pass@1Open source (opens in a new tab)
CritPtMath4.6Artificial Analysis independent run; 70 test challenges; 5 repeats; two-step answer parsing; official CritPt grader; pass@1; no toolsOpen source (opens in a new tab)