Claims and evidence
- Released Other sources give: [1]page date Date shown on the announcement page. Primary source[2]June 20th, 2024 [3]update note on the first page
- Deprecated Primary source[4]Deprecation history, 2025-08-13 [2]August 13, 2025
- Retired Primary source[4]Deprecation history, 2025-08-13 [2]October 28, 2025
- Status Retired Primary source[4]Deprecation history, 2025-08-13
- Successor of Claude 3 Sonnet EditorialEditorial link: the announcement presents Claude 3.5 Sonnet at the speed and cost of Claude 3 Sonnet, Anthropic's mid-tier model, without naming a predecessor. Primary source[1]first paragraph
- Change · Modality Anthropic reports improved vision, for example in reading charts and graphs and in transcribing text from imperfect images.Compared with Claude 3 Sonnet Primary source[1]
- Change · Training data Knowledge cutoff moved to April 2024, from August 2023 for the Claude 3 models.Compared with Claude 3 Sonnet Primary source[5] [3]
- Change · Other Same list price as Claude 3 Sonnet: 3 USD per million input tokens and 15 USD per million output tokens.Compared with Claude 3 Sonnet Primary source[1] [6]
- Change · Other Output of up to 8,192 tokens per response became available in beta on 2024-07-15 and without a beta header from 2024-08-19.Compared with Claude 3 Sonnet Primary source[2]
Lineage
Predecessors
- Claude 3 Sonnet · 4 March 2024
Successors
No known successor.
Based on
Not derived from another model.
Variants and derived
- Claude 3.5 Sonnet (New) · 22 October 2024 · revision
Siblings
None recorded.
All ancestors
- Claude · 14 March 2023
- Claude 2 · 11 July 2023
- Claude 2.1 · 21 November 2023
- Claude 3 Sonnet · 4 March 2024
All descendants
- Claude 3.5 Sonnet (New) · 22 October 2024
- Claude 3.7 Sonnet · 24 February 2025
- Claude Sonnet 4 · 22 May 2025
- Claude Sonnet 4.5 · 29 September 2025
- Claude Sonnet 4.6 · 17 February 2026
- Claude Sonnet 5 · 30 June 2026
- Claude Sonnet 5.5 · 28 September 2026
Variants
No variants recorded in this record.
Related AI Radar coverage
AI Radar coverage starts in June 2026; no coverage linked yet.