GPT-5.4 Pro vs Kimi K2.5: Specs & Benchmark Comparison
| Characteristic | GPT-5.4 Pro | Kimi K2.5 |
|---|---|---|
| Company | OpenAI | Moonshot AI |
| Release Date | March 1, 2026 | January 26, 2026 |
| Parameters | — | 1.0T |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | — |
| Context (output) | 128K | — |
| Input Price / 1M | $15.00 | — |
| Output Price / 1M | $225.00 | — |
| Average Score | 0.0 | 0.9 |
Verdict
GPT-5.4 Pro leads in 1 out of 1 comparison categories.
Recency
GPT-5.4 Pro is newer: released 3/1/2026 vs 1/26/2026.
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The GPT-5.4 Pro and Kimi K2.5 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 Kimi K2.5 page. See also the complete list of AI model comparisons.