Claude Opus 4 API Pricing — $15.00/M input, $75.00/M output
The former flagship of the 4-series era. Deeply nuanced and reliable.
Legacy model — superseded by Opus 4.6 See Claude Opus 4.8 pricing.
No announced shutdown date. Source · Full retirement tracker
Speed
Not yet measured — see the speed benchmark leaderboard for models we do track.
Cost at scale
| Tokens / month | Est. cost (blended 3:1) |
|---|---|
| 100,000 | $3.00 |
| 1,000,000 | $30.00 |
| 10,000,000 | $300.00 |
| 100,000,000 | $3000.00 |
How Claude Opus 4 compares
Claude Haiku 4.5 — $2.00/MClaude Sonnet 4.6 — $6.00/MClaude Sonnet 4.5 — $6.00/MClaude Sonnet 4 — $6.00/MClaude Opus 4.8 — $10.00/MClaude Opus 4.1 — $30.00/MClaude Fable 5 — $20.00/MGPT-4 Turbo — $15.00/M
Head-to-head comparisons
FAQ
Is Claude Opus 4 cheaper than Claude Opus 4.1?
Claude Opus 4 costs $30.00/M blended tokens, Claude Opus 4.1 costs $30.00/M — Claude Opus 4.1 is cheaper.
How much does 1 million tokens cost with Claude Opus 4?
At a 3:1 input:output ratio, 1 million blended tokens costs approximately $30.00. Pure input costs $15.00/M; pure output costs $75.00/M.
Who provides Claude Opus 4?
Claude Opus 4 is served by Anthropic. Pricing was last verified on 2026-04-06 against https://www.anthropic.com/pricing.
