Z.ai: GLM 5.1
Z.ai: GLM 5.1 ranks #31 of 85 models by Artificial Analysis quality score (41) at $1.46/1M tokens blended - and ranks #59 of 291 by average real OpenRouter usage share over the trailing 35-day window (0.25%).
- Quality (Intelligence Index) - 41
- Coding index - 55.8
- Agentic index - 30.6
- Price (blended $/1M) - 1.46
- Context window - 204,800
- Usage rank - #59 of 291
- Providers - 0
- Open/closed - open
Usage share over time
Frequently asked questions
What is Z.ai: GLM 5.1's quality score?
Z.ai: GLM 5.1 scores 41 on Artificial Analysis's Intelligence Index, ranking #31 of 85 models with a published score.
How much does Z.ai: GLM 5.1 cost?
Z.ai: GLM 5.1 costs $1.46 per 1M tokens (blended 75% prompt / 25% completion pricing).
Is Z.ai: GLM 5.1 widely used?
Z.ai: GLM 5.1 ranks #59 of 291 models by average real OpenRouter usage share, averaging 0.25% of classified token volume over the trailing 35-day window.
Is Z.ai: GLM 5.1 open-weight or closed?
Z.ai: GLM 5.1 is an open-weight model.
Source: OpenRouter (openrouter.ai/rankings), as of August 9, 2026.
Benchmark scores: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings).
Methodology: smophy.ai/benchmark/methodology
Token counts originate from each provider's own tokenizer and are not directly comparable across providers.