According to UsagePricing's tracker, Claude Sonnet 4 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens as of May 2025. The model supports a 200,000-token context window.
Previous-generation balanced model — still widely deployed.
Token Costs (per 1M)
Input Price
$3.00
Output Price
$15.00
Technical Specs
Price History
| Date | Input Price | Output Price |
|---|---|---|
| 5/22/2025 | $3.00 | $15.00 |
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How much does Claude Sonnet 4 cost per 1M tokens? ▼
Claude Sonnet 4 costs $3 per 1M input tokens and $15 per 1M output tokens as of March 2026.
What is Claude Sonnet 4's context window? ▼
Claude Sonnet 4 has a context window of 200,000 tokens, meaning it can process approximately 150,000 words in a single request.
Who makes Claude Sonnet 4? ▼
Claude Sonnet 4 is made by Anthropic. You can access it via the Anthropic API.