Llama 4 Scout vs OpenAI o3

Compare Llama 4 Scout and OpenAI o3 side by side. See pricing, capabilities, context length, and performance. Use both on Krater.ai from $20/mo.

Llama 4 Scout vs OpenAI o3: strengths, best use cases and how to run both side by side. The live page adds context windows, token pricing and more comparisons once it loads.

Try both on Krater

Run Llama 4 Scout and OpenAI o3 on the same prompt in the Krater Model Arena, then keep the winner in your workflow. One subscription covers both, from $20 a month.

Open Krater chat · Llama 4 Scout on Krater · OpenAI o3 on Krater

What each model is best at

Llama 4 Scout

The efficient member of Meta's Llama 4 family, Scout offers impressive capability with a massive 10M token context window at lower cost than Maverick.

Strengths

  • Massive 10M token context window
  • Cost-effective Llama 4 performance
  • Good coding and reasoning
  • Fast for its capability level

Best for

  • Extremely long document analysis
  • Large codebase understanding
  • Cost-conscious Llama 4 usage
  • Applications needing massive context

OpenAI o3

OpenAI's most powerful reasoning model, o3 delivers frontier-level performance on math, science, and coding benchmarks. It represents a major leap in chain-of-thought reasoning capability.

Strengths

  • State-of-the-art reasoning performance
  • Exceptional at math competitions and olympiad problems
  • Superior code generation and debugging
  • Handles multi-step complex problems effortlessly

Best for

  • Advanced mathematical problem-solving
  • Scientific research and analysis
  • Complex software architecture
  • PhD-level reasoning tasks

How we compare models

Our tested head-to-heads run the same prompt set through both models in the Model Arena, then rank answers blind. Read the testing methodology, or browse every comparison.