GPT-4.1 Mini vs Kimi K2.5
Head to head on 12 shared benchmarks, with price, context window, and release dates.
Benchmark scores
164evals · sort by any column, ⤢ to expand fullscreen
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| Kimi K2.5 Moonshot AI | 68.3% | 1579elo | 27.9% | 87.9% | 30.7% | 70.2% | 66.5% | 49.0% | 70.8% | 74.2% | 34.8% | 95.9% | - | - | - | - | - | - | - | - | 96.1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 35.0% | - | - | - | - | - | - | - | 74.9 | - | - | 35.8% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 95.4 | - | - | - | 78.5% | - | 10421 | - | - | - | 72.5% | 77.9% | 61.4% | 57.4% | 77.7% | 84.9% | 76.0% | - | - | - | - | - | - | - | - | 62.0% | - | - | - | 39.3% | - | 76.4% | - | - | - | - | - | - | 87.1 | - | - | - | - | - | - | - | - | 63.3% | - | - | - | - | - | - | - | 49.9% | - | - | - | - | - | - | - | - | - | - | - | - | 73 | 67.3% | - | - | 69.4 | - | - | - | - | - | - | - | 26.3% | - | - | 17.5% | - | - | - | - | - | 59.8% |
| GPT-4.1 Mini OpenAI | 57.9% | 1147elo | 4.5% | 66.4% | 5.0% | 38.3% | 65.5% | 40.4% | 23.9% | 71.9% | 7.6% | 52.9% | -0.17 | 60.0% | 100.0% | 0.0% | 3 | 32.4% | 43.0% | 46.3% | - | 98.2% | 0.0% | 28.2% | -1 | 1.07 | 62.3% | 89.9% | 100 | 83.62 | 0.79 | 0.0% | -0.04 | 0.0% | 0.0% | 1.11 | 1.11 | 1.01 | 204.5 | 40.0% | 41.7% | 1.45 | 34.5% | 13.0% | 53.6% | 3.6% | - | 17.4% | 3.3% | 9.0% | 80.0% | 80.0% | 83.4% | 48.6% | - | 43.3% | 100.0% | - | 58.2% | 52.9% | 0.0% | 1.5% | 18.7% | 50.0% | 65.0% | 56.8% | 0.0% | 100.0% | 3.47 | 3.47 | 1.55 | 100.0% | 63.3% | 0.0% | 0.0% | - | 67.5% | 40.2% | 83.5% | - | 6.7% | - | 62.4% | 43.8% | 26.7% | - | - | - | - | - | - | - | 48.3% | 45.4% | 80.0% | 0.35 | 100.0% | 93.3% | 100.0% | 92.5% | - | 2.61 | 0.0% | 100.0% | - | 77.9% | - | 5 | 0.0% | 64.0% | 64.0% | 20.0% | 26.7% | - | 78.1% | 54.5% | 20.0% | 20.0% | 30.0% | 19.5% | 96.5% | 52.0% | - | 30.0% | 30.0% | 60.0% | 0.0% | 46.8% | 93.0% | 40.6% | - | 100.0% | 88.2% | 100.0% | 20.0% | 33.3% | 100.0% | 73.3% | 100.0% | 1.14 | 56.72 | 0 | 10.0% | - | - | 100.0% | 100.0% | - | 0.0% | 100.0% | 37.6% | 1.04 | 100.0% | 100.0% | 45.6% | - | 93.3% | 100.0% | - | 29.0% | 90.0% | 29.0% | 82.0% | 82.0% | 50.8% |
2 / 2 models
| Attribute | GPT-4.1 Mini OpenAI | Kimi K2.5 Moonshot AI |
|---|---|---|
| Description | GPT-4.1 Mini is an AI model from OpenAI. | Kimi K2.5 is an AI model from Kimi. |
| Family | GPT | Kimi |
| Params | - | - |
| Open weights | closed | open |
| License | proprietary | Modified MIT |
| Released | 14 Apr 2025 | 27 Jan 2026 |
| Context | 1,047,576 | 262,144 |
| Input $/1M | $0.40 | $0.60 |
| Output $/1M | $1.60 | $2.75 |
| Cache read $/1M | $0.100 | $0.150 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | image, text, file | text, image |
| Providers | - | - |
| Publisher | OpenAI | Moonshot AI |
| Reported scores | GPQA Diamond87.9% (AA) Humanity's Last Exam (HLE)30.7% (AA) IFBench70.2% (AA) SciCode49.0% (AA) τ²-bench (Tau²-bench)95.9% (AA) |
FAQ
- Is GPT-4.1 Mini or Kimi K2.5 better?
- Across the 12 benchmarks both models report on Sophon, Kimi K2.5 leads on 12 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-4.1 Mini and Kimi K2.5 compare on GPQA Diamond?
- GPT-4.1 Mini scores 66.4% and Kimi K2.5 scores 87.9% on GPQA Diamond.
- Which is cheaper, GPT-4.1 Mini or Kimi K2.5?
- GPT-4.1 Mini is cheaper at $1.60 per million output tokens against $2.75 for Kimi K2.5 - about 1.7x.
- When were GPT-4.1 Mini and Kimi K2.5 released?
- GPT-4.1 Mini was released 14 Apr 2025 by OpenAI. Kimi K2.5 was released 27 Jan 2026 by Moonshot AI.
Other head-to-heads
56GPT-4.1 Mini vs GPT-541 shared evalsClaude Sonnet 4.5 vs GPT-4.1 Mini35 shared evalsGPT-4.1 Mini vs GPT-5 Mini32 shared evalsClaude Opus 4.6 vs Kimi K2.531 shared evalsGemini 3.1 Pro Preview vs Kimi K2.530 shared evalsGPT-5.2 vs Kimi K2.529 shared evalsKimi K2.5 vs Qwen3.6 Plus29 shared evalsGPT-4.1 vs GPT-4.1 Mini28 shared evalsClaude Sonnet 4.5 vs Kimi K2.528 shared evalsGPT-5.5 vs Kimi K2.528 shared evalsClaude Opus 4.8 vs Kimi K2.528 shared evalsGPT-5.4 vs Kimi K2.528 shared evalsClaude Opus 4.7 vs Kimi K2.528 shared evalsGPT-4.1 Mini vs GPT-4.1 Nano27 shared evalsClaude Sonnet 4.6 vs Kimi K2.527 shared evalsGPT-4.1 Mini vs GPT-5 Nano26 shared evalsClaude Opus 4.5 vs Kimi K2.526 shared evalsClaude Fable 5 vs Kimi K2.526 shared evalsGLM 5.1 vs Kimi K2.526 shared evalsGPT-5 Mini vs Kimi K2.525 shared evalsDeepSeek V3.2 vs Kimi K2.525 shared evalsGPT-5.4 Mini vs Kimi K2.525 shared evalsGrok 4.1 Fast vs Kimi K2.524 shared evalsClaude 4 Sonnet vs Kimi K2.523 shared evalsGPT-4.1 Mini vs GPT-4o-mini22 shared evalsGPT-5 Nano vs Kimi K2.522 shared evalsGemini 2.5 Pro vs Kimi K2.521 shared evalsGPT-4.1 Mini vs GPT-4o20 shared evalsGLM 4.7 vs Kimi K2.520 shared evalsClaude 4 Sonnet vs GPT-4.1 Mini19 shared evalsGemini 2.5 Pro vs GPT-4.1 Mini19 shared evalsgpt-oss-120b vs Kimi K2.519 shared evalsGPT-5 vs Kimi K2.518 shared evalsGPT-4.1 Mini vs GPT-5.217 shared evalsClaude Opus 4.5 vs GPT-4.1 Mini16 shared evalsDeepSeek V3.2 vs GPT-4.1 Mini15 shared evalsGPT-4.1 Mini vs gpt-oss-120b15 shared evalsGPT-4o vs Kimi K2.515 shared evalsGPT-4.1 Mini vs Grok 4.1 Fast14 shared evalsGLM 4.7 vs GPT-4.1 Mini14 shared evalsGPT-4.1 Mini vs GPT-5.513 shared evalsClaude Opus 4.6 vs GPT-4.1 Mini13 shared evalsGPT-6 Astra vs Kimi K2.513 shared evalsGemini 3.1 Pro Preview vs GPT-4.1 Mini12 shared evalsGPT-4.1 Mini vs GPT-5.412 shared evalsClaude Sonnet 4.6 vs GPT-4.1 Mini12 shared evalsGPT-4.1 vs Kimi K2.512 shared evalsGPT-4o-mini vs Kimi K2.512 shared evalsGPT-4.1 Nano vs Kimi K2.512 shared evalsClaude Opus 4.8 vs GPT-4.1 Mini11 shared evalsGLM 5.1 vs GPT-4.1 Mini11 shared evalsClaude Opus 4.7 vs GPT-4.1 Mini11 shared evalsGPT-4.1 Mini vs GPT-5.4 Mini11 shared evalsClaude Fable 5 vs GPT-4.1 Mini10 shared evalsGPT-4.1 Mini vs Qwen3.6 Plus10 shared evalsGPT-4.1 Mini vs GPT-6 Astra6 shared evals
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