Claude Sonnet 5.5 Pricing

$2 per 1M input and $10 per 1M output. Free tier: No free tier (API usage billed).

Cost Calculator

Estimated cost:

Claude Sonnet 5.5 Price Table

Standard
Input /1M tokens$2
Output /1M tokens$10
Context cache /1Mโ€”

Price History

2026-10-04
Claude Sonnet 5.5 added ($2/$10)

About Claude Sonnet 5.5

The newest Sonnet generation โ€” same per-token pricing as Sonnet 5, newer model.

Frequently Asked Questions

How much does Claude Sonnet 5.5 cost?

$2 per 1M input and $10 per 1M output โ€” unchanged from Sonnet 5.

Is Sonnet 5.5 more expensive than 5?

No โ€” same rates, newer model.

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