Claude 3.5 Sonnet

Retired · Language, Multimodal

Claude 3.5 Sonnet is a language model from Anthropic that accepts text and images, the first release of its Claude 3.5 family. It was free on claude.ai and the Claude iOS app and offered through the Anthropic API, Amazon Bedrock and Google Cloud Vertex AI; Anthropic says it kept the speed and cost of Claude 3 Sonnet and ran at twice the speed of Claude 3 Opus. [1] [2] Primary source

Timeline of Claude 3.5 Sonnet →

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]
  • Input text, image Primary source[1]State-of-the-art vision [7]Vision Capabilities
  • Context window 200K tokens Primary source[1]second paragraph
  • Parameters Not disclosedNot disclosed by Anthropic. No claim madeNo source
  • Access API, consumer app, cloud partner Primary source[1]second paragraph

Lineage

Predecessors

Successors

No known successor.

Based on

Not derived from another model.

Variants and derived

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 →