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

Gemini 2.5 Flash vs GPT-4o Mini

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

DIMENSION
Gemini 2.5 Flash
Google
GPT-4o Mini
OpenAI
🎯 Accuracy83 👑80
🧠 Reasoning81 👑78
🛡️ Safety88 👑86
💻 Coding8081 👑
Creativity79 👑76
📋 Instruction84 👑82
Overall Index™82.5 👑80.5
Try on Google AI →Try on OpenAI →

Summary

Gemini 2.5 Flash leads overall with an Index of 82.5 vs 80.5. Gemini 2.5 Flash wins on accuracy, reasoning, safety, creativity, instruction. GPT-4o Mini wins on coding.

❓ Frequently Asked Questions

Is Gemini 2.5 Flash better than GPT-4o Mini?

Based on the LLM Judge Index™, Gemini 2.5 Flash scores higher overall (82.5 vs 80.5). Gemini 2.5 Flash leads on accuracy, reasoning, safety, creativity, instruction, while GPT-4o Mini leads on coding.

Which is cheaper, Gemini 2.5 Flash or GPT-4o Mini?

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

Which is better for coding?

GPT-4o Mini scores higher on coding (81 vs 80).

Which model is safer?

Gemini 2.5 Flash has a higher safety score (88 vs 86).

Related Comparisons

Claude Opus 4 vs Gemini 2.5 FlashClaude Opus 4 vs GPT-4o MiniGPT-5.3 Codex vs Gemini 2.5 FlashGPT-5.3 Codex vs GPT-4o MiniGemini 2.5 Ultra vs Gemini 2.5 FlashGemini 2.5 Ultra vs GPT-4o Mini