Claude 3.5 Sonnet (2024-06-20)

API ID claude-3-5-sonnet-20240620

claude-3-5-sonnet-20240620 was an Anthropic model, released June 2024.

Status: Retired
Released: June 2024
Shutdown: Oct 28, 2025
Replacement: Claude Sonnet 5.5claude-sonnet-5-5

claude-3-5-sonnet-20240620 stopped serving on October 28, 2025. Recommended replacement: claude-sonnet-5-5.

Benchmarks

Scores as each source published them

Comparing with Claude 3 Sonnet (2024-02-29), the previous model in this line. A score is compared only with the same benchmark from the same source, at the same setting where both have it. Full comparison: prices, limits, features

Arena

Arena	Claude 3.5 Sonnet (2024-06-20)	Claude 3 Sonnet (2024-02-29)	Change	Rank	Date	Source
Text By category Math 1342 rank 220 vs 1254 (+88) Creative writing 1305 rank 231 vs 1246 (+59) Instruction following 1338 rank 219 vs 1268 (+70) Hard prompts 1361 rank 223 vs 1283 (+78) Long prompts 1355 rank 215 vs 1288 (+67) Multi-turn 1349 rank 212 vs 1279 (+70) Expert 1344 rank 226 vs 1273 (+71)	1343 ±3	1281 ±4	+62	228 of 415 82,419 votes	Oct 13, 2026	source
Text: Coding	1399 ±7	1318 ±7	+81	212 of 410 13,607 votes	Oct 13, 2026	source
Vision	1145 ±10	1016 ±11	+129	121 of 165 21,624 votes	Oct 9, 2026	source

Rated as claude-3-5-sonnet-20240620; Claude 3 Sonnet (2024-02-29) as claude-3-sonnet-20240229. Ratings come from people voting between two anonymous answers; Text and Vision are style-controlled, as on arena.ai. Data: Arena (arena.ai), CC BY 4.0.

Epoch AI

Benchmark	Claude 3.5 Sonnet (2024-06-20)	Claude 3 Sonnet (2024-02-29)	Change	Run	Source
GPQA Diamond	54.0%	40.6%	+13.4 pts	Jan 27, 2025	source
MATH Level 5	51.7%	18.2%	+33.5 pts	Jan 27, 2025	source
OTIS Mock AIME 2024-2025	6.5%	2.5%	+4.0 pts	Feb 25, 2025	source

Run independently by Epoch AI. Data: Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.

On cloud platforms

All platform dates

Platform	Platform ID	State	Shutdown	Time left	Replacement	Source
Google Cloud Vertex AI	claude-3-5-sonnet	Retired on February 19, 2026	Feb 19, 2026		—	source

Google Cloud Vertex AI retired this model 114 days after Anthropic's own API.

Read daily from each platform's own pages. The shutdown date and countdown on this page use Anthropic's own date.

Price history

USD per 1M tokens, standard tier

No price history yet.

Prices

USD per 1M tokens, every type and band, by tier

No published prices.

Changelog

Changes we detected on Anthropic's pages

No changes recorded yet.

Last checked Oct 15, 2026, 2:00 am ET · Sources: Anthropic models, Anthropic deprecations, Anthropic pricing, Anthropic model pages