Last updated: April 5, 2026 · Reviewed by Daniel Ashford

Claude Sonnet 4 vs GPT-4o Mini

Head-to-head across 6 dimensions · by Daniel Ashford

DIMENSION
Claude Sonnet 4
Anthropic
GPT-4o Mini
OpenAI
🎯 Accuracy93 👑80
🧠 Reasoning92 👑78
🛡️ Safety96 👑86
💻 Coding91 👑81
Creativity93 👑76
📋 Instruction94 👑82
Overall Index™93.2 👑80.5
Try on Anthropic →Try on OpenAI →

Summary

Claude Sonnet 4 leads overall with an Index of 93.2 vs 80.5. Claude Sonnet 4 wins on accuracy, reasoning, safety, coding, creativity, instruction. On pricing, GPT-4o Mini is more affordable.

❓ Frequently Asked Questions

Is Claude Sonnet 4 better than GPT-4o Mini?

Based on the LLM Judge Index™, Claude Sonnet 4 scores higher overall (93.2 vs 80.5). Claude Sonnet 4 leads on accuracy, reasoning, safety, coding, creativity, instruction, while GPT-4o Mini leads on no dimensions.

Which is cheaper, Claude Sonnet 4 or GPT-4o Mini?

GPT-4o Mini is more affordable at $0.15/M tokens.

Which is better for coding?

Claude Sonnet 4 scores higher on coding (91 vs 81).

Which model is safer?

Claude Sonnet 4 has a higher safety score (96 vs 86).

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