claude-sonnet-5-5
Auto-routeranthropic/claude-sonnet-5-5
Context
1M
Max output
128K
Input / 1M
$2.00
Output / 1M
$10.00
Cached / 1M
$0.10
Cutoff
Jun 2026
About this model
Claude Sonnet 5.5 offers the best combination of speed and intelligence. 1M token context window, 128K max output, adaptive thinking with default effort high.
Best suited for
- Production workloads requiring speed and intelligence
- Customer-facing applications
- Coding and analysis
- General-purpose AI tasks
Built-in tools
Hosted by the gateway — enable them per request without wiring your own endpoint.
Capabilities
Vision
Accepts images alongside text in the same message.
Tools
Native function calling, so agents can invoke your endpoints.
System prompt
Honours a dedicated system role, separate from the user turn.
Supported parameters
max_tokensThe maximum number of tokens to generate before stopping.
stop_sequencesCustom text sequences that will cause the model to stop generating.
streamSends the response in real-time as it is being generated.
tool_choiceDecides whether to use tools or just the model for generating responses.
toolsLists tool definitions or capabilities available to the model.
response_typeUse this model
OpenAI-SDK compatible, with gateway fallback and routing across providers.
Other Anthropic models
| Model | Context | Max output | Input | Output | Capabilities |
|---|---|---|---|---|---|
| claude-haiku-5-5 Chat | 1M | 128K | $0.10 | $0.50 | Vision, Tools, System prompt |
| claude-opus-5-5 Chat | 1M | 128K | $4.00 | $20.00 | Vision, Tools, System prompt |
| claude-fable-5-1 Chat | 1M | 128K | $10.00 | $50.00 | Vision, Files, Tools, System prompt, Reasoning |
| claude-sonnet-5 Chat | 1M | 128K | $2.00 | $10.00 | Vision, Tools, System prompt |
| claude-opus-5 Chat | 1M | 128K | $5.00 | $25.00 | Vision, Tools, System prompt |
| claude-fable-5 Chat | 1M | 128K | $10.00 | $50.00 | Vision, Tools, System prompt |
| claude-opus-4-8 Chat | 1M | 128K | $5.00 | $25.00 | Vision, Files, Tools, System prompt, Reasoning |
| claude-opus-4-7 Chat | 1M | 128K | $5.00 | $25.00 | Vision, Files, Tools, System prompt, Reasoning |
| claude-sonnet-4-6 Chat | 1M | 128K | $3.00 | $15.00 | Vision, Files, Tools, System prompt |
| claude-opus-4-6 Chat | 1M | 128K | $5.00 | $25.00 | Vision, Files, Tools, System prompt |
| claude-opus-4-5-20251101 Chat | 200K | 64K | $5.00 | $25.00 | Vision, Files, Tools, System prompt |
| claude-haiku-4-5-20251001 Chat | 200K | 64K | $1.00 | $5.00 | Vision, Files, Tools, System prompt |
Pricing & provider details
Anthropic
anthropic/claude-sonnet-5-5
- Input · per 1M
- $2.00
- Output · per 1M
- $10.00
- Cached input · per 1M
- $0.10
- Context window
- 1,000,000 tokens
- Max output
- 128,000 tokens
- Knowledge cutoff
- Jun 2026
- Auto-router
- Supported
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