Gemini 2.5 Pro vs o3
Gemini 2.5 Pro leads in 5 of 8 categories
Arena ELO
Gemini 2.5 Pro
Cheaper
Gemini 2.5 Pro
Faster
Gemini 2.5 Pro
Detailed Comparison
| Category | Gemini 2.5 Pro | o3 |
|---|---|---|
| Provider | OpenAI | |
| Context Window | 1M WIN | 200K |
| Input Price ($/1M) | $1.25 WIN | $10 |
| Output Price ($/1M) | $10 WIN | $40 |
| Arena ELO | 1360 WIN | 1350 |
| Coding | 75.6% LiveCodeBench | unknown |
| Reasoning | 84.6% GPQA Diamond | unknown |
| Speed (tokens/sec) | ~60 t/s WIN | ~30 t/s |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Gemini 2.5 Pro or o3?
Gemini 2.5 Pro is approximately 78% cheaper than o3 per million tokens.
Which is better for coding, Gemini 2.5 Pro or o3?
Gemini 2.5 Pro scores 75.6% LiveCodeBench on coding benchmarks, while o3 scores unknown.
Which has a larger context window?
Gemini 2.5 Pro supports 1M context, while o3 supports 200K.
Is Gemini 2.5 Pro or o3 open source?
Gemini 2.5 Pro is proprietary. o3 is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Gemini 2.5 Pro ranks higher with ELO 1360 vs 1350.
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