Model Comparison → Anthropic
Claude Opus 5.5
Claude Opus 5.5 by Anthropic. Input: $4.00/M tokens · Output: $20.00/M tokens · 200K context window.
✓ Vision✓ Tool use✓ Prompt caching✓ ReasoningStandard
Pricing (verified 2026-10-23)
| Type | Price / 1M tokens | Notes |
|---|---|---|
| Input | $4.00 | Per 1M input tokens |
| Output | $20.00 | Per 1M output tokens |
| Cache read | $0.20 | Cached prefix read-back |
| Cache write | $5.00 | Anthropic 5m TTL; 2× for 1h TTL |
Source: Anthropic official pricing page · Last verified 2026-10-23
Context Window
200K tokens
≈ 150K words · 1 pages of text
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Pricing verified 2026-10-23 from Anthropic official pricing. All prices in USD per 1M tokens. See methodology and price changelog.