Anthropic: Claude Sonnet 4
anthropic/claude-sonnet-4
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
Modalities
In / Out Price
$3 / $15 per 1M
Context
200K
Released
May 22, 2025
Knowledge Cutoff
Jan 2025
Pricing
What Reroute charges per unit. No markup on inference — you pay the carrier's price, metered from the carrier's own usage numbers.
Input tokens
$3 / M
Output tokens
$15 / M
Cache read
$0.30 / M
Cache write
$3.75 / M
Web search
$10 / K requests
Long-context pricing
Prompts over 200K tokens: $6 input / $22.50 output per M.
By provider
Each carrier sets its own price. The router weighs these against uptime when it picks one.
| Provider | Input /M | Output /M | Cache read /M | Cache write /M | Discount |
|---|---|---|---|---|---|
 Amazon Bedrock | $3 | $15 | $0.30 | $3.75 | — |
| Amazon Bedrock | $3 | $15 | $0.30 | $3.75 | — |