Z.ai: GLM 5.1
z-ai/glm-5.1
z-aiTool callingReasoning
Input
$0.896
Official vendor price / million tokens
Output
$3.59
Official vendor price / million tokens
Blended (coding)
$0.598
128K context · 10:1 · 80% cache hits
Uptime 7d
99.3%
Median across providers over the last 7 days
For requests over 32K context, the whole request is billed at the higher rate: input $1.20, output $4.18, cache read $0.299, cache write Free
Context
205K
Providers
4
Released
2026-04-07
Where to buy
Vendor APIs and common platforms. Prices are USD per million tokens.
| Provider | Input | Output | Cache read | Cache write | Uptime 7d |
|---|---|---|---|---|---|
| Zhipu AIOfficial | $0.896 | $3.59 | $0.194 | Free | — |
| AlibabaPlatform | $0.825 | $3.30 | $0.165 | $1.03 | — |
| SiliconFlowPlatform | $0.897 | $3.59 | $0.194 | Free | — |
| OpenRouterPlatformAggregates 11 providers | $1.29 | $4.07 | $0.260 | Free | 99.3% |