Anthropic releases Claude 2 with public claude.ai access
Claude 2 improved coding, math and reasoning, offered a 100K-token context window, and launched with the public claude.ai beta in the US and UK.
Key facts
- Released 11 July 2023
- 100K-token context window
- Scored 76.5% on the multiple-choice section of the Bar exam (per Anthropic)
- Claude 2.1 (November 2023) doubled context to 200K tokens
What happened
Anthropic released a stronger model and made its consumer chat product broadly available for the first time.
Why it matters
Established Claude as a mainstream alternative to ChatGPT and pushed long-context as a competitive feature.
Changelog
- 2026-09-29: created
Related events
Sources (2)
id: 2023-07-11-claude-2 · updated 2026-09-29 · open in the interactive timeline