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claude-sonnet-4-5-20250929
| Context window | N/A |
| Max output tokens | N/A |
Pricing
| Type | Input | Output |
|---|
Parameters
| Parameter | Default | Range |
|---|---|---|
| Max stop sequences | 0 | — |
Supported features
Capabilities
- System Prompt
Endpoints
- Chat Completions
Use cases
- text-chat
Model specifications
| Model ID | |
| Access type | Closed |
| Last updated | January 3, 2026 |
Evaluation
LMSYS Chatbot Arena
ELO Score
1446
Overall Rank
#13