GPT-5.5 vs Grok 4.3
Grok 4.3 is about 7.2× cheaper than GPT-5.5 on blended token cost ($1.56 vs $11.25 per 1M).
| Spec | GPT-5.5 | Grok 4.3 |
|---|---|---|
| Provider | OpenAI | xAI |
| Status | GA | GA |
| Input $/1M | $5 | $1.25 ◎ |
| Output $/1M | $30 | $2.50 ◎ |
| Blended $/1M | $11.25 | $1.56 ◎ |
| Context | 1.1M ◎ | 1M |
| Max output | 128K | — |
| Cutoff | 2025-12-01 | — |
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