Claude Opus 5 API Pricing — $15.00/M input, $75.00/M output
Anthropic's flagship model for the most demanding reasoning, coding, and agentic work.
Full specs, context window and API limits →How much does Claude Opus 5 cost per million tokens?
Claude Opus 5, from Anthropic, charges $15.00 per million input tokens and $75.00 per million output tokens — $30.00 per million blended at a 3:1 input:output ratio. That makes it pricier than Claude Opus 4.1 on a blended-token basis.
Verified 2026-08-09 — source
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 5 compares
Claude Haiku 4.5 — $2.00/MClaude Sonnet 5 — $6.00/MClaude Sonnet 4.6 — $6.00/MClaude Sonnet 4.5 — $6.00/MClaude Sonnet 4 — $6.00/MClaude Opus 4.1 — $30.00/MClaude Opus 4 — $30.00/MClaude Fable 5 — $20.00/M
Best for
Looking for a cheaper option?
GPT-5.6 Luna is 98.5% cheaper — a config migration. See all 8 alternatives to Claude Opus 5 →
Head-to-head comparisons
FAQ
Is Claude Opus 5 cheaper than Claude Opus 4.1?
Claude Opus 5 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 5?
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.
What does Claude Opus 5 cost at high volume?
At 100 million blended tokens a month, Claude Opus 5 costs approximately $3000.00. See the cost-at-scale table below for other volumes.