Claude 2

Retired · Language · Milestone · Primary source available

Lifecycle
Milestone or variant
Related model
Source event
AI Radar coverage
Only month or year known
8 events

2022

2023

2024

2025

2026

As of 10 October 2026

Released +1Lifecycle · 11 Jul 2023

DeprecatedLifecycle · 21 Jan 2025

RetiredLifecycle · 21 Jul 2025

Predecessor ClaudeLineage · 14 Mar 2023

Successor Claude 2.1Lineage · 21 Nov 2023

Announcement publishedSource · 23 Aug 2023

Announcement publishedSource · 7 Sep 2023

All events, in order

14 March 2023 Lineage Predecessor Claude
11 July 2023 Lifecycle Released
11 July 2023 Source Announcement published
23 August 2023 Source Announcement published
7 September 2023 Source Announcement published
21 November 2023 Lineage Successor Claude 2.1
21 January 2025 Lifecycle Deprecated
21 July 2025 Lifecycle Retired

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