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Anthropic · LLM

Claude 3.5 Sonnet

Mid-tier 3.5 model that outperformed Claude 3 Opus on many tasks.

languagecodingmultimodal

Capabilities

  • ▸coding
  • ▸agentic tool use
  • ▸vision

Use cases

coding assistants · agents

Lineage

Predecessor
Claude 3 Opus
Mar 4, 2024
This model
Claude 3.5 Sonnet
Jun 20, 2024
Successor
Claude Sonnet 4.5
Sep 29, 2025
View the full Claude lineage →
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Free · open models

Sources & verification

Information is compiled from official announcements, documentation and reputable industry coverage.
Last verified Aug 9, 2026

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