GPT-4o vs Grok 4.5
GPT-4o leads in 4 of 8 categories
Arena ELO
GPT-4o
Cheaper
GPT-4o
Faster
GPT-4o
Detailed Comparison
| Category | GPT-4o | Grok 4.5 |
|---|---|---|
| Provider | OpenAI | xAI |
| Context Window | 128K | 128K |
| Input Price ($/1M) | $2.5 WIN | N/A |
| Output Price ($/1M) | $10 WIN | N/A |
| Arena ELO | 1340 WIN | N/A |
| Coding | 30.8% SWE-bench | N/A |
| Reasoning | unknown | N/A |
| Speed (tokens/sec) | ~100 t/s WIN | N/A |
| Open Source | No | No |
Frequently Asked Questions
Which is better for coding, GPT-4o or Grok 4.5?
GPT-4o scores 30.8% SWE-bench on coding benchmarks, while Grok 4.5 scores N/A.
Which has a larger context window?
GPT-4o supports 128K context, while Grok 4.5 supports 128K.
Is GPT-4o or Grok 4.5 open source?
GPT-4o is proprietary. Grok 4.5 is proprietary.
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