Claude Sonnet 3.5 v2 API Pricing

Anthropic · released 2024-10-22

Claude Sonnet 3.5 v2 price

No official API price published for Claude Sonnet 3.5 v2 yet.

Benchmarks

BenchmarkValueSourceAs of
Epoch Capabilities Index (ECI) No public data yet
Epoch Mock AIME accuracy 8.5% epoch 2024-10-22
Epoch FrontierMath (T1–3) accuracy No public data yet
Arena text rating 1374 arena 2026-10-28
Arena coding rating (human preference votes, not task accuracy) 1436 arena 2026-10-28
Arena math rating 1352 arena 2026-10-28
Arena WebDev rating No public data yet

More from Anthropic

ModelReleasedBlended $/1M
Claude Haiku 5.52026-10-07$0.20
Claude Sonnet 5.52026-09-28$4.00
Claude Opus 5.52026-09-22$8.00
Claude Mythos 5.12026-09-01$20.00
Claude Fable 5.12026-09-01$20.00
Claude Opus 52026-07-24$10.00
Claude Sonnet 52026-06-30$4.00
Claude Mythos 52026-06-09$20.00

Prices: Anthropic's official list price as recorded by None; benchmarks: see sources below; last synced 2026-11-06.

FAQ

Who develops Claude Sonnet 3.5 v2?

Claude Sonnet 3.5 v2 is developed by Anthropic, released 2024-10-22.

Is Claude Sonnet 3.5 v2's API pricing published?

No — as of the last data sync (2026-11-06), neither models.dev nor LiteLLM has published official API pricing for Claude Sonnet 3.5 v2. This page updates automatically once pricing is available.

Which benchmarks is Claude Sonnet 3.5 v2 scored on?

Claude Sonnet 3.5 v2 has published results for: Epoch Mock AIME accuracy; Arena text rating; Arena coding rating (human preference votes, not task accuracy); Arena math rating. The Benchmarks table on this page shows each score with its source and date.

Where does this data come from?

Pricing for Claude Sonnet 3.5 v2 comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.