Gemini 2.5 Flash vs Grok 4.5
Gemini 2.5 Flash leads in 5 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 | Grok 4.5 |
|---|---|---|
| Provider | xAI | |
| Context Window | 1M WIN | 128K |
| Input Price ($/1M) | $0.3 WIN | N/A |
| Output Price ($/1M) | $2.5 WIN | N/A |
| Arena ELO | 1362 WIN | N/A |
| Coding | unknown | N/A |
| Reasoning | unknown | N/A |
| Speed (tokens/sec) | ~150 t/s WIN | N/A |
| Open Source | No | No |
Frequently Asked Questions
Which is better for coding, Gemini 2.5 Flash or Grok 4.5?
Gemini 2.5 Flash scores unknown on coding benchmarks, while Grok 4.5 scores N/A.
Which has a larger context window?
Gemini 2.5 Flash supports 1M context, while Grok 4.5 supports 128K.
Is Gemini 2.5 Flash or Grok 4.5 open source?
Gemini 2.5 Flash is proprietary. Grok 4.5 is proprietary.
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