price tracker · updated 2026-07-20
Cheapest Claude Sonnet 5 API
llm · per 1M output tokens
Claude Sonnet 5 lists at $15 per 1M output tokens ($3 input), but Anthropic's launch pricing runs it at $10 output / $2 input through August 31, 2026 — and the Batch API halves whichever rate applies.
Across the 4 endpoints we track for Claude Sonnet 5, posted prices span $5 at anthropic (intro batch) to $15 at openrouter. That is a 3.0x gap for the same model, so provider choice matters more than most teams expect. Rates below are normalized to llm · per 1M output tokens and re-checked weekly.
Claude Sonnet 5
llm · per 1M output tokens
save up to 67%
Cheapest verified endpoint: anthropic (intro batch) at $5 (llm · per 1M output tokens). Prices normalized per unit, ex. egress.
How we track this
We re-pull every known provider that serves Claude Sonnet 5 weekly, normalize to a single unit (llm · per 1M output tokens), and pin the price the moment a provider posts it — we don't average across stale snapshots. Switching providers is usually a one-line base-URL change. Spot a stale price? tell us.
Frequently asked questions
What is the cheapest Claude Sonnet 5 API?
anthropic (intro batch) currently has the lowest price for Claude Sonnet 5 at $5 (llm · per 1M output tokens), based on our 2026-07-20 check across 4 providers.
How much does the Claude Sonnet 5 API cost?
Prices for Claude Sonnet 5 range from $5 at anthropic (intro batch) up to $15 at openrouter, measured as llm · per 1M output tokens. Same model, different bill: picking the right provider saves up to 67%.
Which providers offer Claude Sonnet 5?
We currently track 4 endpoints for Claude Sonnet 5: anthropic (intro batch), anthropic (intro thru 8/31), openrouter, anthropic. The table above ranks them by effective price, cheapest first.
How often are these prices updated?
We re-check every provider weekly and pin the exact posted price rather than averaging stale snapshots. This table was last refreshed on 2026-07-20.
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