Anthropic API pricing calculator
Claude Sonnet 4.6 Pricing Calculator: Input and Output Token Costs
Estimate prompt, response, cached input, and volume costs for Claude Sonnet 4.6. Pricing verified 2026-06-25 from the provider source.
Quick estimate
No API key needed. Pick a model, paste your question, choose the answer length, and get a close cost estimate.
3. How long will the AI answer be?
Your estimate will appear here.
Paste a prompt, choose an answer length, and calculate.
Pricing table
Input: $3 per 1M tokens
Output: $15 per 1M tokens
Cached input: $0.3 per 1M tokens
Context window: 1,000,000 tokens
Example prompt costs
A 2,000 token prompt and 1,000 token answer costs about $0.021000 before tool add-ons.
Balanced Claude seed; US inference may add 1.1x.
How much does Claude Sonnet 4.6 cost per 1M input tokens?
Claude Sonnet 4.6 is seeded at $3 per 1M input tokens for the standard tier.
How much does Claude Sonnet 4.6 cost per 1M output tokens?
Claude Sonnet 4.6 is seeded at $15 per 1M output tokens.
Does Claude Sonnet 4.6 support cached input pricing?
Yes. The cached input seed price is $0.3 per 1M tokens.