API price
Claude Opus Latest API price
By Anthropic. $4.00 per million input tokens, $20.00 per million output tokens on OpenRouter. Collected November 12, 2026.
- $4.00
- $20.00
- 1,000,000
- —
- April 21, 2026
- August 22, 2026
Last 90 days
Price changes
- input $5.00 → $4.00, output $25.00 → $20.00
What the numbers say
- Last price change on September 23, 2026: input $5.00 → $4.00, output $25.00 → $20.00 per million tokens.
- Input costs less than 8% of the 443 paid models we track.
Closest in price
- Claude Fable 5.2 (batch)$4.00 / $20.00
- Claude Opus 5.5$4.00 / $20.00
- Muse Wonder$4.00 / $20.00
- GPT-5.6 Sol$4.00 / $20.00
- GPT-5.6 Sol Pro$4.00 / $20.00
- Qwen3.8 Max Prime$4.00 / $12.00