| Grok 4 | GPT-5 | |
|---|---|---|
| arenaElo | 1341 | 1412 |
| humanEval | 85.1 | 91.6 |
| sweBench | 50 | 65 |
| mmlu | 87.5 | 91.5 |
| gpqa | 57 | 63.8 |
| aime | 88 | 92 |
| Price in/out ($/M) | $3 / $15 | $1.25 / $10 |
GPT-5 wins across every benchmark and has a far larger ecosystem. Grok 4's one advantage is live access to X (Twitter) data. If your product depends on realtime social context, Grok is the only serious option.