Gemini 2.5 Flash vs Gemini 3.1 Flash Lite
Gemini 3.1 Flash Lite leads in 4 of 8 categories
Arena ELO
Gemini 3.1 Flash Lite
Cheaper
Gemini 3.1 Flash Lite
Faster
Gemini 3.1 Flash Lite
Detailed Comparison
| Category | Gemini 2.5 Flash | Gemini 3.1 Flash Lite |
|---|---|---|
| Provider | ||
| Context Window | 1M | 1M |
| Input Price ($/1M) | $0.3 | $0.1 WIN |
| Output Price ($/1M) | $2.5 | $0.4 WIN |
| Arena ELO | 1362 | 1492 WIN |
| Coding | unknown | unknown |
| Reasoning | unknown | unknown |
| Speed (tokens/sec) | ~150 t/s | ~200 t/s WIN |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Gemini 2.5 Flash or Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite is approximately 82% cheaper than Gemini 2.5 Flash per million tokens.
Which is better for coding, Gemini 2.5 Flash or Gemini 3.1 Flash Lite?
Gemini 2.5 Flash scores unknown on coding benchmarks, while Gemini 3.1 Flash Lite scores unknown.
Which has a larger context window?
Gemini 2.5 Flash supports 1M context, while Gemini 3.1 Flash Lite supports 1M.
Is Gemini 2.5 Flash or Gemini 3.1 Flash Lite open source?
Gemini 2.5 Flash is proprietary. Gemini 3.1 Flash Lite is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Gemini 3.1 Flash Lite ranks higher with ELO 1492 vs 1362.
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