POST /v1/chat/completionsGLM-5.1
glm-5.1GLM-5.1 is described as a major upgrade for coding, long-horizon tasks, and agentic engineering. Source materials emphasize the ability to plan, execute, and improve work over extended periods, producing more complete engineering-grade results. It should be positioned as a developer and agent model for sustained software work rather than a general Q&A model.
Total Context
200Ktokens
Max Output
131.1Ktokens
Released
Mar 27, 2026
Modalities
GLM-5.1 Price
| Token Tier | Input Price | Output Price | Cache Read | Cache Create 5m | Cache Read 5m |
|---|---|---|---|---|---|
| <=32K | $0.8571/M | $3.4286/M | $0.1714/M | $1.0714/M | $0.0857/M |
| >32K | $1.1429/M | $4/M | $0.2286/M | $1.4286/M | $0.1143/M |
GLM-5.1 API
GLM-5.1 Benchmark
40.2
/100
Artificial Analysis Intelligence Index
Artificial Analysis broad capability aggregate
Index score
43.4
/100
Artificial Analysis Coding Index
Artificial Analysis software task aggregate
Index score
Knowledge & Reasoning
GPQA
Advanced science problem solving
86.8%
HLE
Broad expert-level exam set
28.0%
Coding & Engineering
SciCode
Scientific coding challenges
43.8%
Terminal-Bench Hard
Hard terminal task execution
43.2%
Instruction Following & Agent Tasks
IFBench
Prompt constraint adherence
76.3%
AA-LCR
Long-context reasoning
62.3%
τ²-Bench
Agent workflow tasks
97.7%
Metrics sourced from Artificial Analysis
GLM-5.1 FAQ
GLM-5.1: capabilities, use cases, limits, and TokenHub guidance.
How should teams view GLM-5.1?+
GLM-5.1 is a Z.AI model for sustained autonomous engineering and iterative delivery.
What is GLM-5.1 best for?+
Best for iterative engineering delivery, complex coding and tool-heavy automation, especially when reliable multi-step execution is the priority.
What is GLM-5.1's main strength?+
Key strength: sustained autonomous planning, execution, testing, and refinement.
Is GLM-5.1 always the best choice?+
It belongs to an older generation and may lack newer capabilities. For the latest capabilities matter, consider GLM-5.2.
What is the safest setup?+
Use the exact ID shown by TokenHub; follow your account docs and verify current features.
Media and Discussions
Selected public videos and posts related to this model.
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