Claude 3.5 Sonnet
claude-3-5-sonnet-20240620
2024-06-20 — 2025-10-28 · lived 1 year, 4 months
Ask it for a chart and a second pane opened beside the conversation with the chart already running in it. Artifacts shipped the day this model did, and the layout it introduced — talk on the left, working software on the right — is the shape every AI coding tool settled into afterwards.
Four months later Anthropic shipped a different model under the same name, and for the rest of this one's life you had to say "the new 3.5 Sonnet" to mean the other one.
- Provider
- Anthropic
- Cause of death
- Superseded
- Notice given
- 2025-08-13
- Context
- 200,000 tokens
- Cost per Mtok
- $3.00 in · $15.00 out
- Succeeded by
- Claude 3.7 Sonnet
“Succeeded by” is this site’s reading of model lineage, not the provider’s official migration guidance.