GPT-5.2 vs Kimi K2.5
Head to head on 29 shared benchmarks, with price, context window, and release dates.
Benchmark scores
51evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kimi K2.5 Moonshot AI | 96.1 | 68.3% | 39.0% | 1576elo | 74.9 | 27.9% | 78.9% | 13.2% | 43.7% | 78.5% | 72.5% | 77.9% | 61.4% | 57.4% | 77.7% | 84.9% | 76.0% | 62.0% | 39.3% | 76.4% | 66.5% | 49.9% | 39.6% | 67.3% | 70.8% | 74.2% | 18.9% | 17.5% | 81.3% | - | - | - | - | - | - | 35.8% | - | 95.4 | - | 10421 | - | - | 87.1 | - | - | 63.3% | - | - | 73 | 69.4 | 26.3% | 56.8% |
| GPT-5.2 OpenAI | 100 | 65.9% | 60.0% | 1699elo | 71.6 | 40.7% | 71.2% | 8.0% | 47.4% | 79.0% | 78.7% | 76.1% | 78.2% | 61.8% | 79.8% | 93.2% | 83.2% | 72.0% | 49.7% | 84.4% | 67.1% | 49.3% | 40.4% | 66.7% | 71.8% | 75.8% | 31.8% | 53.5% | 46.5% | 51.0% | 100.0% | 0.0% | 16.7% | 40.6% | 9.4% | - | 12.93 | - | 85.0% | - | 66.9% | 24.0% | - | 81.4% | 96.7 | - | 18.7% | 15.0% | - | - | - | 56.3% |
2 / 2 models
| Attribute | GPT-5.2 OpenAI | Kimi K2.5 Moonshot AI |
|---|---|---|
| Description | GPT-5.2 is an AI model from OpenAI. | Kimi K2.5 is an AI model from Kimi. |
| Family | GPT | Kimi |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | Modified MIT |
| Released | 11 Dec 2025 | 27 Jan 2026 |
| Context | 400,000 | 262,144 |
| Input $/1M | $1.75 | $0.60 |
| Output $/1M | $14.00 | $3.00 |
| Cache read $/1M | $0.175 | $0.100 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | file, image, text | text, image |
| Providers | - | - |
| Publisher | OpenAI | Moonshot AI |
| Reported scores | GPQA Diamond78.9% (AA) Humanity's Last Exam (HLE)13.2% (AA) IFBench43.7% (AA) SciCode39.6% (AA) τ²-bench (Tau²-bench)81.3% (AA) |
FAQ
- Is GPT-5.2 or Kimi K2.5 better?
- Across the 29 benchmarks both models report on Sophon, GPT-5.2 leads on 21 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-5.2 and Kimi K2.5 compare on GPQA Diamond?
- GPT-5.2 scores 71.2% and Kimi K2.5 scores 78.9% on GPQA Diamond.
- Which is cheaper, GPT-5.2 or Kimi K2.5?
- Kimi K2.5 is cheaper at $3.00 per million output tokens against $14.00 for GPT-5.2 - about 4.7x.
- When were GPT-5.2 and Kimi K2.5 released?
- GPT-5.2 was released 11 Dec 2025 by OpenAI. Kimi K2.5 was released 27 Jan 2026 by Moonshot AI.
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