Model comparison
Grok 3 vs GPT-5.4 Mini
xAI
Grok 3
xAI's bet on inference compute, wired into X for fresh context.
OpenAI
GPT-5.4 Mini
GPT-5 economics for high-volume routine tasks.
Specs
| Metric | Grok 3 | GPT-5.4 Mini |
|---|---|---|
| Context window | 131K tokens | 400K tokens↑ |
| Input $/1M tokens | $3.00 | $0.750↑ |
| Output $/1M tokens | $15.00 | $4.50↑ |
| Modalities | Text | File · Image · Text |
| Open weights | No | No |
Capability differences
| Capability | Grok 3 | GPT-5.4 Mini |
|---|---|---|
| Extended thinking | Yes | No |
| Prompt caching | No | Yes |
Key differences
- —Grok 3 offers 131K context; GPT-5.4 Mini offers 400K.
- —Input pricing: Grok 3 at $3.00/1M vs GPT-5.4 Mini at $0.750/1M.