Gemini 3.1 Flash Lite vs GPT-3.5 Turbo
Both have similar output pricing, while Gemini 3.1 Flash Lite offers a larger context window. Choose Gemini 3.1 Flash Lite or GPT-3.5 Turbo based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini 3.1 Flash Lite | GPT-3.5 Turbo |
|---|---|---|
| Provider | OpenAI | |
| Input / 1M tokens | $0.25 | $0.50 |
| Output / 1M tokens | $1.50 | $1.50 |
| Context window | 1M | 16K |
| Parameters | — | 20B |
| Open weights | No | No |
| Released | May 2026 | Mar 2023 |
| LiveBench score | 62.1 | — |
| GPQA Diamond score | 81.8 | 28.0 |
| Epoch Capabilities Index score | 144 | 119 |
| LMArena (Chatbot Arena) Elo score | — | 1125 |
FAQ
Is Gemini 3.1 Flash Lite or GPT-3.5 Turbo cheaper?
Gemini 3.1 Flash Lite and GPT-3.5 Turbo have comparable output pricing.
Which has the larger context window, Gemini 3.1 Flash Lite or GPT-3.5 Turbo?
Gemini 3.1 Flash Lite has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.