Claude Opus 5.5
Anthropicclaude-opus-5-5
Released Sep 22, 2026
Providers
4
Context
1.0M
Input
$4.00/M
Output
$20.00/M
BAA-eligible on 2 of 4 providersPHI requires a signed BAA from Concentrate and HIPAA-enabled organization.
Aliases:claude-opus5.5opus-5.5opus5.5opus-5-5claude-5-5-opus
Anthropic's first Claude 5.5 model. Fable 5.1-level performance on most work at 40% lower cost than Opus 5, with a 1M context window; thinking is always on and forced tool_choice is not supported.
azure/claude-opus-5-5QuantUnspecified
- Input
- $4.00/M
- Output
- $20.00/M
- Context
- 1.0M
- Max out
- 128K
- Cache read
- $0.20/M
- Cache write ephemeral_5m_input_tokens
- $5.00/M
- Thinking out
- $20.00/M
FlexPriority / Fast
anthropic/claude-opus-5-5QuantUnspecified
- Input
- $4.00/M
- Output
- $20.00/M
- Context
- 1.0M
- Max out
- 128K
- Cache read
- $0.20/M
- Cache write ephemeral_5m_input_tokens
- $5.00/M
- Thinking out
- $20.00/M
FlexPriority / Fast
vertex/claude-opus-5-5QuantUnspecified
- Input
- $4.00/M
- Output
- $20.00/M
- Context
- 1.0M
- Max out
- 128K
- Cache read
- $0.20/M
- Cache write ephemeral_5m_input_tokens
- $5.00/M
- Thinking out
- $20.00/M
FlexPriority / Fast
bedrock/claude-opus-5-5QuantUnspecified
- Input
- $4.00/M
- Output
- $20.00/M
- Context
- 1.0M
- Max out
- 128K
- Cache read
- $0.20/M
- Cache write ephemeral_5m_input_tokens
- $5.00/M
- Thinking out
- $20.00/M
FlexPriority / Fast