Anthropic: Claude Sonnet 4
anthropic/claude-sonnet-4Upcoming deprecation
This model will be deprecated on 2026-06-15. Please plan to migrate to an alternative model before this date.
Description
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%), Sonnet 4 balances capability and computational efficiency, making it suitable for a broad range of applications from routine coding tasks to complex software development projects. Key enhancements include improved autonomous codebase navigation, reduced error rates in agent-driven workflows, and increased reliability in following intricate instructions. Sonnet 4 is optimized for practical everyday use, providing advanced reasoning capabilities while maintaining efficiency and responsiveness in diverse internal and external scenarios.
Read more at the blog post here
Specifications
Pricing
| Type | ≤200K | >200K |
|---|---|---|
| Input | $3.00 | $6.00 |
| Output | $15.00 | $22.50 |
| Cache Read | $0.30 | $0.60 |
| Cache Write | $3.75 | $7.50 |
| Web Search | $0.01 / call |
Quick Start
curl https://api.ominigate.ai/v1/chat/completions \
-H "Authorization: Bearer sk-omg-your-api-key" \
-H "Content-Type: application/json" \
-d '{
"model": "anthropic/claude-sonnet-4",
"messages": [{"role": "user", "content": "Hello!"}]
}'