Gemini 3.5 Flash vs GPT 4o
Google's high-speed thinking model for agentic workflows, chat, and coding.
OpenAI's original omni model supporting text and image inputs.
No captured outputs for these models yet.
Frequently Asked Questions: Gemini 3.5 Flash vs GPT 4o▼
Which is better, Gemini 3.5 Flash or GPT 4o?
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Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 63.0). 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?
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Gemini 3.5 Flash has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. GPT 4o: $2.50 input / $10.00 output.
Which has a larger context window, Gemini 3.5 Flash or GPT 4o?
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Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs GPT 4o at 128K tokens.
Do both Gemini 3.5 Flash and GPT 4o support vision?
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Yes, both Gemini 3.5 Flash and GPT 4o support vision/image input.
Which has better coding performance, Gemini 3.5 Flash or GPT 4o?
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Gemini 3.5 Flash scores higher on SWE-bench Verified: Gemini 3.5 Flash resolves 79% vs GPT 4o at 31%.
What are the key differences between Gemini 3.5 Flash and GPT 4o?
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Key differences: Gemini 3.5 Flash has a notably higher capability index (23.2 point gap); 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 for free on idapt.app to see which performs better for your specific needs.