Z.ai: GLM 5.5
z-ai/glm-5.5GLM 5.5 is the expected next flagship in Z.ai's GLM-5 series for coding agents and long-horizon engineering. Z.ai has not officially released it yet; specifications, pricing and API availability will be confirmed at launch.
Coming soonBrowse available models
- Status
- Coming soon
- Pricing
- TBA
- Context window
- N/A
- Max output
- 131.1K
Coming soon
API not yet available
This model is listed ahead of its public release. API calls, the playground and pricing will open once the provider makes it generally available. Until then, requests to this model ID return 404 model_not_available.
Specifications
Pricing
- Pricing
- TBA
Context & modalities
- Max output
- 131,072 tokens
- Input
- Text
- Output
- Text
Capabilities
- Chat
- Supported
- Vision
- Not supported
- Reasoning
- Supported
- Structured output
- Supported
- Function calling
- Supported
- Audio input
- Not supported
Access
- Provider
- Z-Ai
- Model ID
- z-ai/glm-5.5
- Execution
- sync
- API
- Not yet available
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Compare models
| Model | Context | Input / 1M | Output / 1M | Released |
|---|---|---|---|---|
Z.ai: GLM 5.5This model Z-Ai | — | TBA | TBA | Oct 4, 2026 |
Z-Ai | 1M | — | — | Sep 18, 2026 |
Z-Ai | 1M | — | — | Aug 26, 2026 |
Z-Ai | 1M | — | — | Aug 18, 2026 |
Z-Ai | 1M | — | — | Jun 16, 2026 |
Z-Ai | 128K | — | — | Jul 25, 2025 |