GPT-5.4 Pro vs Grok-3 Mini: Specs & Benchmark Comparison
| Characteristic | GPT-5.4 Pro | Grok-3 Mini |
|---|---|---|
| Company | OpenAI | xAI |
| Release Date | March 1, 2026 | February 16, 2025 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 128K |
| Context (output) | 128K | 8K |
| Input Price / 1M | $15.00 | $0.30 |
| Output Price / 1M | $225.00 | $0.50 |
| Average Score | 0.0 | 0.9 |
Verdict
GPT-5.4 Pro leads in 2 out of 3 comparison categories.
API Cost
Grok-3 Mini is 300.0x cheaper: input $0.30/1M vs $15.00/1M tokens.
Context Window
GPT-5.4 Pro supports a larger context: 1M vs 128K tokens.
Recency
GPT-5.4 Pro is newer: released 3/1/2026 vs 2/16/2025.
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The GPT-5.4 Pro and Grok-3 Mini comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.4 Pro or Grok-3 Mini page. See also the complete list of AI model comparisons.