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Claude 3 Opus

Published
Mar 4, 2024

Claude 3 Opus is an AI model developed by Anthropic (United States), first published in March 2024. It works in the multimodal, language and vision domain, on tasks such as chat, image captioning, code generation and language modeling/generation. It counts among the frontier models: the systems trained with the most compute of their moment.

Epoch AI has no training-compute estimate for this model.

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

Full record
Organization
Anthropic
Country of organization
United States
Domain
Multimodal, Language, Vision
Task
Chat, Image captioning, Code generation, Language modeling/generation
Compute estimation method
Benchmarks
Model accessibility
API access
Open weights
No
Epoch confidence
Speculative
Benchmark results
01Epoch Capabilities IndexECI Score126.9
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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