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Claude 3.5 Sonnet

Anthropic, 20 Jun 2024.

Lab
Anthropic
Released
20 Jun 2024
Kind
Multimodal, Chat
Training compute
2.7 × 10²⁵ FLOP
Parameters
Not disclosed
Capability index
130.0 (Epoch)
Task length at 50% success
20 min (METR)
Organisations
Anthropic
Country
United States

Data: Epoch AI (Creative Commons Attribution), releases too new for it from OpenRouter, and METR. Updated 25 Sep 2026.