Z.ai: GLM 5.3
Z.ai: GLM 5.3 ranks #6 of 101 models by Artificial Analysis quality score (59.5) at $2.15/1M tokens blended - and ranks #27 of 312 by average real OpenRouter usage share over the trailing 54-day window (0.87%). Available from 1 provider at up to 100.0% uptime.
- Quality (Intelligence Index) - 59.5
- Coding index - 74.8
- Agentic index - 59.1
- Price (blended $/1M) - 2.15
- Context window - 1,048,576
- Usage rank - #27 of 312
- Providers - 1
- Open/closed - open
Usage share over time
What Z.ai: GLM 5.3 is actually used for
Share of each real task category's classified traffic this model handles, from OpenRouter's task classification.
| Task | Share of task traffic |
|---|---|
| Security Audit | 5.9% |
| Code Review | 1.7% |
Frequently asked questions
What is Z.ai: GLM 5.3's quality score?
Z.ai: GLM 5.3 scores 59.5 on Artificial Analysis's Intelligence Index, ranking #6 of 101 models with a published score.
How much does Z.ai: GLM 5.3 cost?
Z.ai: GLM 5.3 costs $2.15 per 1M tokens (blended 75% prompt / 25% completion pricing).
Is Z.ai: GLM 5.3 widely used?
Z.ai: GLM 5.3 ranks #27 of 312 models by average real OpenRouter usage share, averaging 0.87% of classified token volume over the trailing 54-day window.
Is Z.ai: GLM 5.3 open-weight or closed?
Z.ai: GLM 5.3 is an open-weight model.
Source: OpenRouter (openrouter.ai/rankings), as of August 28, 2026.
Benchmark scores: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings).
Methodology: www.smophy.ai/benchmark/methodology
Token counts originate from each provider's own tokenizer and are not directly comparable across providers.