Gemini 2.5 Flash vs Gemini 2.5 Pro
Gemini 2.5 Flash leads in 4 of 8 categories
Arena ELO
Gemini 2.5 Flash
Cheaper
Gemini 2.5 Flash
Faster
Gemini 2.5 Flash
Detailed Comparison
| Category | Gemini 2.5 Flash | Gemini 2.5 Pro |
|---|---|---|
| Provider | ||
| Context Window | 1M | 1M |
| Input Price ($/1M) | $0.3 WIN | $1.25 |
| Output Price ($/1M) | $2.5 WIN | $10 |
| Arena ELO | 1362 WIN | 1360 |
| Coding | unknown | 75.6% LiveCodeBench |
| Reasoning | unknown | 84.6% GPQA Diamond |
| Speed (tokens/sec) | ~150 t/s WIN | ~60 t/s |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Gemini 2.5 Flash or Gemini 2.5 Pro?
Gemini 2.5 Flash is approximately 75% cheaper than Gemini 2.5 Pro per million tokens.
Which is better for coding, Gemini 2.5 Flash or Gemini 2.5 Pro?
Gemini 2.5 Flash scores unknown on coding benchmarks, while Gemini 2.5 Pro scores 75.6% LiveCodeBench.
Which has a larger context window?
Gemini 2.5 Flash supports 1M context, while Gemini 2.5 Pro supports 1M.
Is Gemini 2.5 Flash or Gemini 2.5 Pro open source?
Gemini 2.5 Flash is proprietary. Gemini 2.5 Pro is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Gemini 2.5 Flash ranks higher with ELO 1362 vs 1360.
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