Anthropic
Claude Sonnet 5
claude-sonnet-5
Near-frontier quality on coding and agentic work at Sonnet cost. Uses a newer tokenizer that produces roughly 30% more tokens than Sonnet 4.6 for the same text — re-measure before comparing bills.
Rate card · USD per million tokens
- Input
- $2.00
- Output
- $10.00
- Cached input
- $0.30
- Context
- 1M
- Max output
- 128K
Introductory pricing until 31 August 2026. List price after that is $3.00 in / $15.00 out.
What that looks like on a real month
25,000 requests, 8,000 input and 800 output tokens each, half the input served from cache:
$430.00/month
$230.00 input · $200.00 output · $0.017 per request