Grok 4 vs o3
Grok 4 leads in 4 of 8 categories
Arena ELO
o3
Cheaper
Grok 4
Faster
Grok 4
Detailed Comparison
| Category | Grok 4 | o3 |
|---|---|---|
| Provider | xAI | OpenAI |
| Context Window | 256K WIN | 200K |
| Input Price ($/1M) | $5 WIN | $10 |
| Output Price ($/1M) | $25 WIN | $40 |
| Arena ELO | 1330 | 1350 WIN |
| Coding | unknown | unknown |
| Reasoning | unknown | unknown |
| Speed (tokens/sec) | ~45 t/s WIN | ~30 t/s |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Grok 4 or o3?
Grok 4 is approximately 40% cheaper than o3 per million tokens.
Which is better for coding, Grok 4 or o3?
Grok 4 scores unknown on coding benchmarks, while o3 scores unknown.
Which has a larger context window?
Grok 4 supports 256K context, while o3 supports 200K.
Is Grok 4 or o3 open source?
Grok 4 is proprietary. o3 is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
o3 ranks higher with ELO 1350 vs 1330.
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