Gemini 3.1 Flash Lite vs o3
Google's high-efficiency model for high-volume use cases at half the cost of Gemini 3 Flash.
OpenAI's most powerful reasoning model — top across math, coding, and science.
No captured outputs for these models yet.
Frequently Asked Questions: Gemini 3.1 Flash Lite vs o3▼
Which is better, Gemini 3.1 Flash Lite or o3?
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Based on the Capability Index, o3 scores higher (79.2 vs 76.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Gemini 3.1 Flash Lite or o3?
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Gemini 3.1 Flash Lite has a lower blended cost. Gemini 3.1 Flash Lite: $0.25 input / $1.50 output. o3: $2.00 input / $8.00 output.
Which has a larger context window, Gemini 3.1 Flash Lite or o3?
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Gemini 3.1 Flash Lite has a larger context window: Gemini 3.1 Flash Lite supports 1M tokens vs o3 at 200K tokens.
Do both Gemini 3.1 Flash Lite and o3 support vision?
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Yes, both Gemini 3.1 Flash Lite and o3 support vision/image input.
What are the key differences between Gemini 3.1 Flash Lite and o3?
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Key differences: Gemini 3.1 Flash Lite is significantly cheaper. 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 3.1 Flash Lite and o3 for free on idapt.app to see which performs better for your specific needs.