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

Claude Haiku 4.5 vs Gemini 2.5 Flash

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

DIMENSION
Claude Haiku 4.5
Anthropic
Gemini 2.5 Flash
Google
🎯 Accuracy85 👑83
🧠 Reasoning83 👑81
🛡️ Safety92 👑88
💻 Coding82 👑80
Creativity84 👑79
📋 Instruction87 👑84
Overall Index™85.5 👑82.5
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Summary

Claude Haiku 4.5 leads overall with an Index of 85.5 vs 82.5. Claude Haiku 4.5 wins on accuracy, reasoning, safety, coding, creativity, instruction. On pricing, Gemini 2.5 Flash is more affordable.

❓ Frequently Asked Questions

Is Claude Haiku 4.5 better than Gemini 2.5 Flash?

Based on the LLM Judge Index™, Claude Haiku 4.5 scores higher overall (85.5 vs 82.5). Claude Haiku 4.5 leads on accuracy, reasoning, safety, coding, creativity, instruction, while Gemini 2.5 Flash leads on no dimensions.

Which is cheaper, Claude Haiku 4.5 or Gemini 2.5 Flash?

Gemini 2.5 Flash is more affordable at $0.15/M tokens.

Which is better for coding?

Claude Haiku 4.5 scores higher on coding (82 vs 80).

Which model is safer?

Claude Haiku 4.5 has a higher safety score (92 vs 88).

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