Compare
GLM-5 vs GLM-5.1
Add, remove, or swap models to compare them side by side.
Scores
Intelligence (ECI)146150
Coding4669
Math2263
Reasoning & Knowledge3348
Agentic & Tools51—
Specifications
DeveloperZ.ai (Zhipu AI)Z.ai (Zhipu AI)
Family——
ReleasedFeb 17, 2026Apr 7, 2026
Parameters744B754B
AvailabilityOpen weights (unrestricted)—
Context window203K203K
Price — $/M input$0.60$0.98
Price — $/M output$1.92$3.08
Inputstexttext
Outputstexttext
Benchmarks
AIME 2024/202580%92%
APEX17%—
ARC-AGI45%—
ARC-AGI-25%—
FrontierMath16%33%
FrontierMath Tier 42%13%
GPQA Diamond88%85%
SimpleBench53%59%
SWE-bench Verified72%74%
Terminal-Bench52%—
WebDev Arena14471534
WeirdML48%57%
SimpleQA Verified—37%
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Popular comparisons
- Claude Opus 4.8 vs GPT-5.5
- Gemini 3.1 Pro vs GPT-5.5
- GLM-5.1 vs GPT-5.5
- GPT-5.5 vs Kimi K2.5
- GPT-5.5 vs Grok 4
- DeepSeek-V3.2 vs GPT-5.5
- Claude Opus 4.8 vs Gemini 3.1 Pro
- Claude Opus 4.8 vs GLM-5.1
- Claude Opus 4.8 vs Kimi K2.5
- Claude Opus 4.8 vs Grok 4
- Claude Opus 4.8 vs DeepSeek-V3.2
- Gemini 3.1 Pro vs GLM-5.1
- Gemini 3.1 Pro vs Kimi K2.5
- Gemini 3.1 Pro vs Grok 4
- DeepSeek-V3.2 vs Gemini 3.1 Pro
- GLM-5.1 vs Kimi K2.5
- GLM-5.1 vs Grok 4
- DeepSeek-V3.2 vs GLM-5.1
- Grok 4 vs Kimi K2.5
- DeepSeek-V3.2 vs Kimi K2.5
- DeepSeek-V3.2 vs Grok 4
- GLM-5 vs GLM-5.1
- GPT-5 vs GPT-5.5
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.