GLM 5.3 Prime
by OpenRouter · family glm · listed Sep 2026RT
Flagship GLM model for hybrid reasoning, coding, and agentic engineering
Current rates USD per 1M tokens
Input$2.80
Output$8.80
Cache read$0.56
Cache write—
Against the market
Input price vs. maker flagships ($/1M tokens)Output price vs. maker flagships ($/1M tokens)On the record
- Model id
z-ai/glm-5.3-prime- Context window
- 1M tokens
- Max output
- 131K tokens
- Input modalities
- text
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- —
- Released
- 2026-09-23
- Last updated
- 2026-09-23
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