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Claude Opus 4

Claude Opus 4 is Anthropic's most powerful model and the world's best coding model, part of the Claude 4 family. It delivers sustained performance on complex, long-running tasks and agent workflows. O

Claude Opus 4 is Anthropic's most powerful model and the world's best coding model, part of the Claude 4 family. It delivers sustained performance on complex, long-running tasks and agent workflows. Opus 4 excels at coding, advanced reasoning, and can use tools (like web search) during extended thinking. It supports parallel tool execution and has improved memory capabilities.

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 Opus 4

      FAQ

      How much does Claude Opus 4 cost?

      Free tier

      Does Claude Opus 4 have a free plan?

      Limited or no free tier

      Is there an API?

      Yes