Claude Sonnet 5 API pricing — cost per million tokens
Anthropic's Claude Sonnet 5 costs $2 per million input tokens and $10 per million output tokens on the standard API tier (verified 2026-07-05). Note: Introductory pricing through 2026-08-31; standard tier is $3 / $15. Compare it in the full pricing table or price your own prompts in the token cost calculator.
Claude Sonnet 5 price per million tokens
| direction | $ / Mtok | $ / 1K tokens |
|---|---|---|
| input (prompt) | $2 | $0.002 |
| output (completion) | $10 | $0.01 |
What real requests cost on Claude Sonnet 5
| workload | input | output | total |
|---|---|---|---|
| Chat message (1K in / 500 out) | $0.002 | $0.005 | $0.007 |
| Long document (100K in / 2K out) | $0.20 | $0.02 | $0.22 |
| Agent session (500K in / 50K out) | $1.00 | $0.50 | $1.50 |
How Claude Sonnet 5 pricing compares
On the same chat-message workload, Claude Sonnet 5 costs 25× more than DeepSeek V4 Flash (the cheapest tracked model) — capability, latency and context limits are the other side of that trade. Output tokens dominate long generations: at $10/Mtok, a 50K-token agent transcript costs $0.50 in output alone. Official rate card: Anthropic pricing.
Related: Claude Fable 5 pricing · Claude Opus 4.8 pricing · DeepSeek V4 Flash pricing · release timeline
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