Grok 4.3 vs GPT-5.5
Side-by-side pricing and capabilities from our model data. Prices verified against official pages.
Comparison
| Spec | Grok 4.3 xAI | GPT-5.5 OpenAI |
|---|---|---|
| Input ($/1M) | $1.25 | $5.00 |
| Output ($/1M) | $2.50 | $30.00 |
| Cached input ($/1M) | $0.200 | $0.500 |
| Context | 1M | 1M |
| Vision | Yes | Yes |
| Tier | frontier | frontier |
| Batch API | No | Yes |
| Pricing | verified | verified |
| Sample request (2K in / 600 out) | $0.004 ✓ | $0.028 |
At a typical 2K-in / 600-out request, Grok 4.3 is cheapest at $0.004. Grok 4.3 has the lowest input price ($1.25) and Grok 4.3 the lowest output price ($2.50). Largest context window: Grok 4.3 at 1M. All of them read images.
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