glm-5-1
Capability: 128K context · vision · tool use · streaming · structured output · CJK-native
Pricing: per-token, mid tier (live rate)
GLM-5.1 is the refinement step on GLM-5 — same context window with
added vision support, tighter tool-call argument generation, and a
measurable quality bump on Chinese-market code generation. Default
starting point for new Chinese-market projects on the gateway.
Request
Body parameters
Response
Code examples
Streaming + caching
"stream": true for SSE. Automatic prompt caching.
Errors
When to use
- New Chinese-market projects with mixed text + vision input.
- Tool-using agents in CJK languages.
- For longer context, see Kimi K2.6.
- For Chinese code-heavy work, see DeepSeek V4 Pro.