GLM-4.6 (Reasoning)
by Zhipu AI
GLM-4.6 (Reasoning) is a reasoning model from Zhipu AI, released on September 30, 2025. It has a 203K-token context window and can generate up to 203K output tokens. API pricing is $0.5 per 1M input tokens and $2 per 1M output tokens.
GLM-4.6 is the latest version of Z.ai's flagship model, bringing significant improvements over GLM-4.5. Key features include: 200K token context window (expanded from 128K), superior coding performance with better real-world application in Claude Code/Cline/Roo Code/Kilo Code, advanced reasoning with tool use during inference, stronger agent capabilities, and refined writing aligned with human preferences. GLM-4.6 achieves competitive performance with DeepSeek-V3.2-Exp and Claude Sonnet 4, reaching near parity with Claude Sonnet 4 (48.6% win rate) on CC-Bench real-world coding tasks.
Key specs
| Provider | Zhipu AI |
|---|---|
| Release date | 2025-09-30 |
| License | open source |
| Context window | 203K tokens |
| Max output | 203K tokens |
| Input price | $0.5 / 1M tokens |
| Output price | $2 / 1M tokens |
| Intelligence Score | 29 |
| Coding index | 14.6 |
Quick answers
What is the context window of GLM-4.6 (Reasoning)?
GLM-4.6 (Reasoning) has a context window of 203K tokens, with a maximum output of 203K tokens per response.
How much does GLM-4.6 (Reasoning) cost?
GLM-4.6 (Reasoning) costs $0.5 per 1M input tokens and $2 per 1M output tokens through the API.
Is GLM-4.6 (Reasoning) open source?
Yes. GLM-4.6 (Reasoning) is an open model released under the open source license.
When was GLM-4.6 (Reasoning) released?
Zhipu AI released GLM-4.6 (Reasoning) on September 30, 2025.
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