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Claude 3.7 Sonnet

Training compute
3.4×10²⁵ FLOP
Published
Feb 24, 2025

Claude 3.7 Sonnet is an AI model developed by Anthropic (United States), first published in February 2025. It works in the language, vision and multimodal domain, on tasks such as language modeling/generation, question answering, code generation and 4 more.

Training it took an estimated 3.4×10²⁵ FLOP of compute.

Access: API access. Its weights are not openly released. Epoch AI rates the confidence of this record as likely.

Full record
Organization
Anthropic
Country of organization
United States
Domain
Language, Vision, Multimodal
Task
Language modeling/generation, Question answering, Code generation, Quantitative reasoning, Translation, Instruction interpretation, Visual question answering
Training compute
3.4×10²⁵ FLOP
Model accessibility
API access
Open weights
No
Epoch confidence
Likely
Benchmark results
01Epoch Capabilities IndexECI Score141.7
More from Anthropic
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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