Claude 4 Opus vs Claude 3 Opus

Compare Claude 4 Opus and Claude 3 Opus. Find out which one is better for your use case.

Model Comparison

FeatureClaude 4 OpusClaude 3 Opus
ProviderAnthropicAnthropic
Model Typetexttext
Context Window200,000 tokens200,000 tokens
Input Cost$15.00 / 1M tokens$15.00 / 1M tokens
Output Cost$75.00 / 1M tokens$75.00 / 1M tokens

Strengths & Best Use Cases

Claude 4 Opus

  • Highest capability in the family: described as “our most powerful model yet” by Anthropic.
  • Exceptional at long-running tasks requiring thousands of steps and sustained focus (e.g., continuous codebase work for hours).
  • Excellent performance on benchmarks: e.g., SWE-bench 72.5 % and Terminal-bench 43.2 %.
  • Designed for complex agentic workflows, deep reasoning, tool use, and large context windows.
  • Placed under a higher safety classification (ASL-3) due to its frontier capability and risk profile.

Claude 3 Opus

1. Intelligence & Reasoning

  • Highest capability in the Claude 3 family
  • Near-human comprehension and fluency
  • Excels at MMLU, GPQA, GSM8K, advanced reasoning tasks

2. Complex Problem Solving

  • Best for research, strategy, multi-step planning
  • Handles ambiguous, open-ended tasks with ease

3. Vision & Multimodal Capabilities

  • Strong chart/graph understanding
  • Processes documents, technical diagrams, and dense visual data

4. Recall & Long-Context Reasoning

  • Near-perfect recall (>99% on NIAH benchmark)
  • Handles very large documents and multi-file workflows

5. Enterprise-Grade Accuracy

  • Significantly reduced hallucinations
  • High correctness rate for factual queries

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