Claude 3.5 Sonnet launches with Artifacts
Claude 3.5 Sonnet outperformed Claude 3 Opus at twice the speed and a fifth of the price, and quickly became developers' favorite coding model; claude.ai added Artifacts, a side panel for live code and documents.
Key facts
- Released 20 June 2024
- Priced at $3 / $15 per million input/output tokens
- 200K context window
- Artifacts feature introduced in claude.ai
- An upgraded version released 22 October 2024 added computer use
What happened
Anthropic's mid-tier model surpassed its previous flagship across reasoning, coding and vision evaluations.
Why it matters
Established Claude as the leading coding model, driving adoption in tools like Cursor and paving the way for coding agents.
Changelog
- 2026-09-29: created
Related events
- Anthropic launches the Claude 3 family (Opus, Sonnet, Haiku) ★★★★
- Anthropic releases computer use for Claude 3.5 Sonnet ★★★★
Sources (2)
id: 2024-06-20-claude-3-5-sonnet · updated 2026-09-29 · open in the interactive timeline