Claude 3 Opus
Claude 3 Opus is Anthropic's most intelligent model, with best-in-market performance on highly complex tasks. It can navigate open-ended prompts and sight-unseen scenarios with remarkable fluency and
Claude 3 Opus is Anthropic's most intelligent model, with best-in-market performance on highly complex tasks. It can navigate open-ended prompts and sight-unseen scenarios with remarkable fluency and human-like understanding, showing the outer limits of what's possible with generative AI.
LLMs
Free tier
Intelligence
Popularity49/100
Monthly visits—
Growth—
Updated2026-05-21
Features
GPQA
MMLU
MMLU-Pro
AIME 2025
MATH
HumanEval
Pros
Cons
Use cases
API inference · Fine-tuning · Benchmarking
AI models used
Claude 3 Opus
FAQ
How much does Claude 3 Opus cost?
Free tier
Does Claude 3 Opus have a free plan?
Limited or no free tier
Is there an API?
Yes