claude-opus-5-5
Anthropic · Priced per token
Claude Opus 5.5 is Anthropic's flagship reasoning model released in May 2026. It is built specifically for complex agentic coding, deep logical reasoning, and enterprise-grade knowledge work. The model excels at long-horizon tasks, codebase-scale migrations, and tool use, and supports a context window of up to 1M tokens.
Pricing
Base price
- Input: $75 per 1M tokens
- Output: $75 per 1M tokens
List rate at a 1x group multiplier, before any account-specific discount. The effective rate is this figure times the multiplier of the group the account is in.
Pricing by group
| Group | Multiplier | Input | Output |
|---|---|---|---|
| default | 1x | $75 | $75 |
API access
- anthropic — POST /v1/messages
- openai — POST /v1/chat/completions
Available to groups: default