Claude Opus 5.5
Anthropic
Claude Opus 5.5 by Anthropic costs $4.00 per 1M input tokens and $20.00 per 1M output tokens, with a 1M-token context window.
Pricing
Input (per 1M tokens)
$4.00
Output (per 1M tokens)
$20.00
Cached input (per 1M)
$0.20
Specifications
- Provider
- Anthropic
- Context window
- 1M tokens
- Parameters
- —
- Released
- Sep 2026
- Open weights
- No
- Frontier model
- No
Compare Claude Opus 5.5 with…
Claude Opus 5.5 vs Anthropic: Claude Opus 4.8$25.00/1MClaude Opus 5.5 vs Anthropic: Claude Opus 4.8 (Fast)$50.00/1MClaude Opus 5.5 vs Claude Opus 4.5 (latest)$25.00/1MClaude Opus 5.5 vs Claude Opus 4 (latest)$75.00/1MClaude Opus 5.5 vs Claude Opus 3$75.00/1MClaude Opus 5.5 vs Claude Sonnet 3.5 v2$15.00/1M
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.