Last updated: April 5, 2026 · Reviewed by Daniel Ashford
Claude Sonnet 4 vs GPT-4o
Head-to-head across 6 dimensions · by Daniel Ashford
Summary
Claude Sonnet 4 leads overall with an Index of 93.2 vs 91.0. Claude Sonnet 4 wins on accuracy, reasoning, safety, creativity, instruction. GPT-4o wins on coding. On pricing, GPT-4o is more affordable.
❓ Frequently Asked Questions
Is Claude Sonnet 4 better than GPT-4o?
Based on the LLM Judge Index™, Claude Sonnet 4 scores higher overall (93.2 vs 91.0). Claude Sonnet 4 leads on accuracy, reasoning, safety, creativity, instruction, while GPT-4o leads on coding.
Which is cheaper, Claude Sonnet 4 or GPT-4o?
GPT-4o is more affordable at $2.5/M tokens.
Which is better for coding?
GPT-4o scores higher on coding (92 vs 91).
Which model is safer?
Claude Sonnet 4 has a higher safety score (96 vs 91).