Claude Opus 5.5
AnthropicProprietary1M context
Claude Opus 5.5 is a proprietary model from Anthropic with a 1M-token context window. 4 providers list it, from $4.00 per million input tokens and $20.00 per million output tokens (Anthropic and 2 others).
- Maker
- Anthropic
- Licence
- Proprietary
- Context window
- 1M
- Providers listed
- 4
- Lowest input, per 1M
- $4.00
- Lowest output, per 1M
- $20.00
- Anthropic's own API, per 1M
- $4.00 in · $20.00 out
- Effort settings
- Medium, Max
Providers serving Claude Opus 5.5
Cheapest first, by the blended rate of three input tokens to one output token. Prices in US dollars per million tokens, as of 26 Oct 2026.
| Provider | Input | Output | Context | Tools | JSON mode | OpenAI-compatible | Model ID |
|---|---|---|---|---|---|---|---|
Anthropic | $4.00 | $20.00 | 1M | Yes | Yes | No | claude-opus-5-5 |
Google Vertex | $4.00 | $20.00 | 1M | Yes | Yes | No | claude-opus-5-5@default |
Microsoft Azure | $4.00 | $20.00 | 1M | Yes | Yes | No | claude-opus-5-5 |
Amazon Bedrock | $4.40 | $22.00 | 1M | Yes | Yes | No | anthropic.claude-opus-5-5 |
Benchmark scores
Published scores only, each linked to its source. Compare every model in Bench rankings