Last updated: April 5, 2026 · Reviewed by Daniel Ashford
Claude Haiku 4.5 vs GPT-4o Mini
Head-to-head across 6 dimensions · by Daniel Ashford
Summary
Claude Haiku 4.5 leads overall with an Index of 85.5 vs 80.5. Claude Haiku 4.5 wins on accuracy, reasoning, safety, coding, creativity, instruction. On pricing, GPT-4o Mini is more affordable.
❓ Frequently Asked Questions
Is Claude Haiku 4.5 better than GPT-4o Mini?
Based on the LLM Judge Index™, Claude Haiku 4.5 scores higher overall (85.5 vs 80.5). Claude Haiku 4.5 leads on accuracy, reasoning, safety, coding, creativity, instruction, while GPT-4o Mini leads on no dimensions.
Which is cheaper, Claude Haiku 4.5 or GPT-4o Mini?
GPT-4o Mini is more affordable at $0.15/M tokens.
Which is better for coding?
Claude Haiku 4.5 scores higher on coding (82 vs 81).
Which model is safer?
Claude Haiku 4.5 has a higher safety score (92 vs 86).