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Gemini 2.5 Pro vs Gemini 3 Flash
Gemini 2.5 Pro and Gemini 3 Flash are about even on Arena (1458 vs 1466): in a blind vote each wins about half the time.
Gemini 2.5 Pro1458Arena chat · #42 of 418
Gemini 3 Flash1466Arena chat · #36 of 418
Arena scores by category
| Category | Gemini 2.5 Pro | Gemini 3 Flash | Ahead |
|---|---|---|---|
| Chat | 1458 | 1466 | about even |
| Coding | 1226 | 1440 | Gemini 3 Flash |
| Vision | 1263 | 1285 | Gemini 3 Flash |
| Documents | 1421 | 1413 | about even |
Scores from blind human votes on Arena. A gap under 10 points is too small to call.
Size and where to use them free
| Gemini 2.5 Pro | Gemini 3 Flash | |
|---|---|---|
| Made by | ||
| Size | not public | not public |
| 4-bit download | — | — |
| Use it free | Proprietary license | Proprietary license |
Speed at home
| Hardware | Gemini 2.5 Pro | Gemini 3 Flash |
|---|---|---|
| RTX 3090 | online only | online only |
| RTX 4090 | online only | online only |
| RTX 5090 | online only | online only |
| RX 7900 XTX | online only | online only |
| Mac M4 Max 128 GB | online only | online only |
| Ryzen AI Max+ 395 128 GB | online only | online only |
Estimates at 4-bit with an 8K context, 64 GB of system RAM for offload, calibrated on 44 real llama.cpp tests.
Try them yourself
Ask both the same question side by side in Try & compare, or vote blind between free models in Free Arena.
More comparisons
- Gemini 2.5 Pro vs Gemini 3.8 Flash (High)
- Gemini 2.5 Pro vs MiMo-V2.6-Pro
- Gemini 2.5 Pro vs Qwen3.8-Max
- Gemini 2.5 Pro vs Gemini 3.6 Flash (High)
- Gemini 2.5 Pro vs Kimi K3 (Max)
- Gemini 2.5 Pro vs GLM-5.3 (Max)
- Gemini 3 Flash vs Gemini 3.8 Flash (High)
- Gemini 3 Flash vs MiMo-V2.6-Pro
- Gemini 3 Flash vs Qwen3.8-Max
- Gemini 3 Flash vs Gemini 3.6 Flash (High)
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