GLM-5.1
GLM-5.1
zai/glm-5.1
Overview
Capabilities
Tool callingVisionStructured outputReasoningStreaming
Pricing (lowest)
$0.50/M / $2.50/M
Context window
203K
Modality
Text
Hosts
4 hosts
Vendor details
| Z.AI | Parasail | Empiriolabs | Sail | |
|---|---|---|---|---|
| Input cost | $1.40/M | $1.40/M | $0.825/M | $0.50/M |
| Output cost | $4.40/M | $4.40/M | $3.301/M | $2.50/M |
| Cache read cost | $0.26/M | $0.70/M | - | - |
| Currency | USD | USD | USD | USD |
| Availability | available | available | available | available |
| Context window | 200K | 203K | 202K | 203K |
| Max output | 131K | 51K | 51K | 51K |
| Zero data retention | No | Yes | No | No |
| Launched | Apr 2026 | Apr 2026 | Apr 2026 | Apr 2026 |
| Capabilities | Tool callingStreaming | Streaming | Tool callingStreaming | Tool callingTool choiceStreaming |
| Reasoning effort levels | Not adjustable | Not adjustable | Not adjustable | Not adjustable |
| Modalities | Input: TextOutput: TextOutput: Tool use | Input: TextOutput: Text | Input: TextOutput: TextOutput: Tool use | Input: TextOutput: TextOutput: Tool use |