Gemini 3.5 Flash vs GPT 4o Mini
Google's high-speed thinking model for agentic workflows, chat, and coding.
OpenAI's most advanced small model — fast and affordable.
No captured outputs for these models yet.
Frequently Asked Questions: Gemini 3.5 Flash vs GPT 4o Mini▼
Which is better, Gemini 3.5 Flash or GPT 4o Mini?
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Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 60.8). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Gemini 3.5 Flash or GPT 4o Mini?
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GPT 4o Mini has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. GPT 4o Mini: $0.15 input / $0.60 output.
Which has a larger context window, Gemini 3.5 Flash or GPT 4o Mini?
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Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs GPT 4o Mini at 128K tokens.
Do both Gemini 3.5 Flash and GPT 4o Mini support vision?
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Yes, both Gemini 3.5 Flash and GPT 4o Mini support vision/image input.
What are the key differences between Gemini 3.5 Flash and GPT 4o Mini?
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Key differences: Gemini 3.5 Flash has a notably higher capability index (25.4 point gap); GPT 4o Mini is significantly cheaper; only Gemini 3.5 Flash offers extended reasoning mode. Compare full specs on this page.
Which model should I choose for my use case?
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If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Gemini 3.5 Flash and GPT 4o Mini for free on idapt.app to see which performs better for your specific needs.