Claude Sonnet 5 pricing
Anthropic · list prices as of 2026-09-29
| Input | $2 per 1M tokens |
|---|---|
| Output | $10 per 1M tokens |
| Cached input (read) | $0.20 per 1M tokens |
| Cache write | $2.50 per 1M tokens |
| Batch / async | 50% off |
| Context window | 1M tokens |
| Longest answer | 128K tokens |
What a call costs
| Typical call | Input tokens | Output tokens | Per call | Per month at 1,000 a day |
|---|---|---|---|---|
| Chat reply | 1,000 | 300 | $0.005 | $150.00 |
| Document summary | 6,000 | 400 | $0.0160 | $480.00 |
| Code change | 3,000 | 1,200 | $0.0180 | $540.00 |
No caching or batch discount. Your own prompt will differ: count it exactly below.
Price your own prompt on Claude Sonnet 5Similarly priced models
- Claude Sonnet 5.5 (Anthropic): about the same
- Command A (Cohere): 1.1× more
- GPT-4o (OpenAI): 1.1× more
- Gemini 3.1 Pro (preview) (Google): 1.1× more
- GPT-4.1 (OpenAI): 1.1× cheaper
Questions
How much does Claude Sonnet 5 cost?
Claude Sonnet 5 costs $2 per million input tokens and $10 per million output tokens, as of 2026-09-29.
How much is one Claude Sonnet 5 call?
A call with 1,000 input tokens and a 300-token answer costs about $0.005, or $150.00 a month at 1,000 calls a day.
How big is the Claude Sonnet 5 context window?
1,000,000 tokens.