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Pro/zai-org/GLM-5.1
zhipuai·zhipuai/glm-5.1-10·GA·Open weights·glm series
Flagship GLM model for hybrid reasoning, coding, and agentic engineering
At a glance
Reference price$1.40 / $4.40 per 1M
Cache read $0.26 · SiliconFlow (China)
Lowest paid$1.40 / $4.40
SiliconFlow (China) Cloud
Context205,000
Output limit205,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ TemperatureAttachments
Modalities
Text
Knowledge cutoff—
Released / updated2026-04-08 / 2026-04-08
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| SiliconFlow (China) Pro/zai-org/GLM-5.1 | Cloud | $1.40 | $4.40 | $0.26 | $0 | 205,000 | 205,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1SiliconFlow (China)$363.20
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
Upstream provides no control info
1 / 1 providers expose no reasoning control (reasoning_options: []).
Related models
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Price historyone sample accumulated per data sync
Input list $1.40Output list $4.40Min blended $2.15
Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-21). Each future sync adds a point, and once accumulated a line is drawn here.