Claude Opus 5.5 (batch)
LLM
by anthropic ·
anthropic-claude-opus-55-20260921
Context window
1M
Max output
128K
Providers
4
Best input
$4.40
About this model
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
Providers & prices
| Provider | Input $/MTok | Output $/MTok | Context | Upstream ID |
|---|---|---|---|---|
| G Google | $4.40 | $22.00 | 1M | anthropic/claude-opus-5.5 |
| MA Microsoft Azure | $4.40 | $22.00 | 1M | anthropic/claude-opus-5.5 |
| AB Amazon Bedrock | $4.40 | $22.00 | 1M | anthropic/claude-opus-5.5 |
| A Anthropic | $8.00 | $40.00 | 1M | anthropic/claude-opus-5.5 |