Gemini 2.5 Pro vs Gemini 3.1 Flash Lite
google/gemini-2.5-pro · google/gemini-3.1-flash-lite
As of October 24, 2026, Gemini 3.1 Flash Lite is the cheaper API on UberLLM: $0.0834 per million input tokens and $0.5002 per million output, versus $0.3846 / $3.08 for Gemini 2.5 Pro — about 84% less on a blended 3:1 token mix. Both are reached through one OpenAI-compatible key and routed to the cheapest healthy seller, with UberLLM's 10% fee already included, so the price you see is the price you pay. Choose Gemini 3.1 Flash Lite to cut cost; choose Gemini 2.5 Pro when its capabilities fit your task better.
Gemini 2.5 Pro vs Gemini 3.1 Flash Lite, side by side
| Spec | Gemini 2.5 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| Price · input / 1M | $0.3846 | $0.0834 |
| Price · output / 1M | $3.08 | $0.5002 |
| Context length | 1,048,576 | 1,048,576 |
| Max output tokens | 65,536 | 65,536 |
| Input modalities | text, image | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Cheapest seller | UberLLM | UberLLM |
| % off list | 69% off | 67% off |
Live prices via UberLLM, routed to the cheapest healthy seller. The price shown includes UberLLM’s 10% fee. Updated October 24, 2026.
Gemini 2.5 Pro vs Gemini 3.1 Flash Lite — FAQ
Is Gemini 2.5 Pro or Gemini 3.1 Flash Lite cheaper?
Gemini 3.1 Flash Lite is cheaper on a blended token mix, by about 84%. UberLLM routes every request to the cheapest healthy seller and bills the price shown, with its 10% fee included.
What's the price difference between Gemini 2.5 Pro and Gemini 3.1 Flash Lite?
Gemini 2.5 Pro: $0.3846 in / $3.08 out per 1M tokens. Gemini 3.1 Flash Lite: $0.0834 in / $0.5002 out per 1M tokens. That's roughly a 84% blended difference. Prices are live and include UberLLM's 10% fee.
Can I use both Gemini 2.5 Pro and Gemini 3.1 Flash Lite with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.