Release tracker

Anthropic model releases

Every dated Anthropic model release, newest first. The latest is Claude Opus 5, released 24 Jul 2026, and 11 of the 23 run on Opper today.

Run Anthropic models on OpperSee how they rank
All models
July 20261 release
  1. 24 Jul
    Claude Opus 563
June 20262 releases
  1. 30 Jun
    Claude Sonnet 555
  2. 9 Jun
    Claude Fable 562
May 20261 release
  1. 28 May
    Claude Opus 4.857
April 20261 release
  1. 16 Apr
    Claude Opus 4.755
February 20262 releases
  1. 17 Feb
    Claude Sonnet 4.637
  2. 5 Feb
    Claude Opus 4.639
November 20251 release
  1. 24 Nov
    Claude Opus 4.536
October 20251 release
  1. 15 Oct
    Claude 4.5 Haiku24
September 20251 release
  1. 29 Sep
    Claude Sonnet 4.530
August 20251 release
  1. 5 Aug
    Claude Opus 4.129
May 20252 releases
  1. 22 May
    Claude 4 Opus26
    Claude 4 Sonnet26
February 20251 release
  1. 24 Feb
    Claude 3.7 Sonnet24
October 20242 releases
  1. 22 Oct
    Claude 3.5 Haiku12
    Claude 3.5 Sonnet (Oct '24)10
June 20241 release
  1. 21 Jun
    Claude 3.5 Sonnet (June '24)8
March 20243 releases
  1. 4 Mar
    Claude 3 Haiku4
    Claude 3 Opus12
    Claude 3 Sonnet4
November 20231 release
  1. 21 Nov
    Claude 2.14
July 20231 release
  1. 11 Jul
    Claude 2.03
March 20231 release
  1. 14 Mar
    Claude Instant2

Release dates and intelligence scores from Artificial Analysis, cross-checked against vendor announcements. Follow new releases via RSS.

Start building with 700+ models

One API key. Every major provider. Up and running in minutes.

Get startedView Documentation