Claude 3.7 Sonnet

Retired · Language, Multimodal, Reasoning

Claude 3.7 Sonnet is a language model in Anthropic's Sonnet line that accepts text and images and was offered in the Claude apps, on the Anthropic API, Amazon Bedrock and Google Cloud Vertex AI. Anthropic calls it a hybrid reasoning model: it gives standard answers or, in an extended thinking mode, shows its reasoning step by step. [1] [2]Claude 3.7 Sonnet Summary Table, Modalities Primary source

Timeline of Claude 3.7 Sonnet →

Claims and evidence

  • Released Primary source[1] [3]February 24th, 2025
  • Deprecated Primary source[4]2025-10-28: Claude Sonnet 3.7 model [3]October 28, 2025
  • Retired Primary source[4]2025-10-28: Claude Sonnet 3.7 model [3]February 19, 2026
  • Status Retired Primary source[4]Model status
  • Successor of Claude 3.5 Sonnet (New)The announcement presents the standard mode as an upgraded Claude 3.5 Sonnet without naming a snapshot; the October 2024 upgrade was the current Claude 3.5 Sonnet at the time. Primary source[1]
  • Change · Reasoning Adds an optional extended thinking mode that shows step-by-step reasoning before the answer; the standard mode remains available.Compared with Claude 3.5 Sonnet (New) Primary source[1] [5]section 1.2
  • Change · Reasoning API users can set a thinking budget in tokens, up to an output limit that the announcement gives as 128K tokens.Compared with Claude 3.5 Sonnet (New) Primary source[1]
  • Change · Training data Trained on public web data through November 2024, with a knowledge cutoff at the end of October 2024.Compared with Claude 3.5 Sonnet (New) Primary source[5]
  • Input text, image Primary source[2]Claude 3.7 Sonnet Summary Table, Modalities
  • Output text Primary source[2]Claude 3.7 Sonnet Summary Table, Modalities
  • Feature Reasoning mode Primary source[1] [5]section 1.2
  • Parameters Not disclosedNot disclosed by Anthropic. No claim madeNo source
  • Access consumer app, API, cloud partner Primary source[1]

Lineage

Predecessors

Successors

Based on

Not derived from another model.

Variants and derived

None recorded.

Siblings

None recorded.

All ancestors

All descendants

Variants

No variants recorded in this record.

Related AI Radar coverage

AI Radar coverage starts in June 2026; no coverage linked yet.

All model releases from Anthropic on AI Radar →