Grok 4 vs Grok 4.5
Grok 4 leads in 5 of 8 categories
Arena ELO
Grok 4
Cheaper
Grok 4
Faster
Grok 4
Detailed Comparison
| Category | Grok 4 | Grok 4.5 |
|---|---|---|
| Provider | xAI | xAI |
| Context Window | 256K WIN | 128K |
| Input Price ($/1M) | $5 WIN | N/A |
| Output Price ($/1M) | $25 WIN | N/A |
| Arena ELO | 1340 WIN | N/A |
| Coding | unknown | N/A |
| Reasoning | unknown | N/A |
| Speed (tokens/sec) | ~45 t/s WIN | N/A |
| Open Source | No | No |
Frequently Asked Questions
Which is better for coding, Grok 4 or Grok 4.5?
Grok 4 scores unknown on coding benchmarks, while Grok 4.5 scores N/A.
Which has a larger context window?
Grok 4 supports 256K context, while Grok 4.5 supports 128K.
Is Grok 4 or Grok 4.5 open source?
Grok 4 is proprietary. Grok 4.5 is proprietary.
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