Model pricing
Claude Sonnet 5 pricing — cost per million tokens
Claude Sonnet 5 costs $2.00 per million input tokens and $10.00 per million output tokens (USD). It uses the newer tokenizer, which emits ~30% more tokens for the same text.
| Token type | USD / 1M |
|---|---|
| Inputper 1M tokens | $2.00 |
| Output | $10.00 |
| Cache write · 5-minute1.25× input | $2.50 |
| Cache write · 1-hour2× input | $4.00 |
| Cache read0.1× input | $0.20 |
Claude Code computes your real per-token cost from local session logs at these rates — no estimate, no upload.
Cache & context economics
Claude Sonnet 5 adds cache reads at $0.20 / 1M — about a tenth of input, cache writes at $2.50 (5-minute) or $4.00 (1-hour) / 1M.
Common questions
- How much does Claude Sonnet 5 cost per million tokens?
- $2.00 input and $10.00 output per million tokens (USD list price).
- What is the cache-read price for Claude Sonnet 5?
- $0.20 per million cached-read tokens — about a tenth of the input rate.
- How is cache writing priced for Claude Sonnet 5?
- A 5-minute cache write is $2.50 and a 1-hour write is $4.00 per million tokens — the split most trackers miss.
Track your real cost with JP the Cat
A live menu-bar total, priced to the cent from your local logs — including the cache-write split most tools miss.
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