GPT-4o-mini vs Kimi K2.5
Head to head on 12 shared benchmarks, with price, context window, and release dates.
Benchmark scores
61evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kimi K2.5 Moonshot AI | 68.3% | 1579elo | 87.9% | 30.7% | 70.2% | 72.5% | 77.9% | 57.4% | 77.7% | 66.5% | 49.0% | 74.2% | - | - | - | - | 96.1 | - | - | - | 35.0% | - | 74.9 | 35.8% | 27.9% | - | - | - | 95.4 | 78.5% | 10421 | - | 61.4% | 84.9% | 76.0% | - | - | 62.0% | 39.3% | - | 76.4% | 87.1 | - | - | 63.3% | 49.9% | - | 73 | 67.3% | 70.8% | - | 34.8% | 69.4 | - | 26.3% | 17.5% | - | - | - | - | 95.9% | 59.8% |
| GPT-4o-mini OpenAI | 45.5% | 873elo | 42.6% | 4.2% | 31.0% | 47.2% | 43.0% | 65.8% | 32.9% | 54.5% | 22.9% | 60.5% | 16.7% | 3.6% | 11.7% | 14.7% | - | 50.7% | 0.29 | 0.0% | - | 0.0% | - | - | - | 0.0% | 1.54 | 0.0% | - | - | - | 72.0% | - | - | - | 23.4% | 78.9% | - | - | 62.8% | - | - | 64.8% | 78.0% | - | - | 3.81 | - | - | - | 100.0% | - | - | 0.36 | - | - | 0.78 | 83.3% | 54.5% | 22.5% | - | 39.6% |
2 / 2 models
| Attribute | GPT-4o-mini OpenAI | Kimi K2.5 Moonshot AI |
|---|---|---|
| Description | GPT-4o 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 | 18 Jul 2024 | 27 Jan 2026 |
| Context | 128,000 | 262,144 |
| Input $/1M | $0.15 | $0.60 |
| Output $/1M | $0.60 | $2.75 |
| Cache read $/1M | $0.075 | $0.070 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, 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-4o-mini or Kimi K2.5 better?
- Across the 12 benchmarks both models report on Sophon, Kimi K2.5 leads on 11 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-4o-mini and Kimi K2.5 compare on GPQA Diamond?
- GPT-4o-mini scores 42.6% and Kimi K2.5 scores 87.9% on GPQA Diamond.
- Which is cheaper, GPT-4o-mini or Kimi K2.5?
- GPT-4o-mini is cheaper at $0.60 per million output tokens against $2.75 for Kimi K2.5 - about 4.6x.
- When were GPT-4o-mini and Kimi K2.5 released?
- GPT-4o-mini was released 18 Jul 2024 by OpenAI. Kimi K2.5 was released 27 Jan 2026 by Moonshot AI.
Other head-to-heads
56Claude 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 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 evalsClaude Sonnet 4.6 vs Kimi K2.527 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-4o vs GPT-4o-mini21 shared evalsGLM 4.7 vs Kimi K2.520 shared evalsgpt-oss-120b vs Kimi K2.519 shared evalsGemini 2.5 Pro vs GPT-4o-mini19 shared evalsGPT-4o-mini vs GPT-5 Mini18 shared evalsGPT-5 vs Kimi K2.518 shared evalsClaude 4 Sonnet vs GPT-4o-mini18 shared evalsClaude Sonnet 4.5 vs GPT-4o-mini17 shared evalsGPT-4.1 Nano vs GPT-4o-mini17 shared evalsGPT-4o-mini vs GPT-516 shared evalsGPT-4o-mini vs GPT-5 Nano16 shared evalsGPT-4.1 vs GPT-4o-mini16 shared evalsGPT-4o-mini vs GPT-5.215 shared evalsClaude Opus 4.5 vs GPT-4o-mini15 shared evalsGPT-4o vs Kimi K2.515 shared evalsDeepSeek V3.2 vs GPT-4o-mini15 shared evalsGPT-4o-mini vs Grok 4.1 Fast15 shared evalsGPT-4o-mini vs gpt-oss-120b15 shared evalsGLM 4.7 vs GPT-4o-mini14 shared evalsGPT-4o-mini vs GPT-5.513 shared evalsGPT-6 Astra vs Kimi K2.513 shared evalsGPT-4.1 Mini vs Kimi K2.512 shared evalsGemini 3.1 Pro Preview vs GPT-4o-mini12 shared evalsClaude Opus 4.8 vs GPT-4o-mini12 shared evalsClaude Fable 5 vs GPT-4o-mini12 shared evalsClaude Opus 4.6 vs GPT-4o-mini12 shared evalsGPT-4o-mini vs GPT-5.412 shared evalsGPT-4.1 vs Kimi K2.512 shared evalsGPT-4.1 Nano vs Kimi K2.512 shared evalsClaude Sonnet 4.6 vs GPT-4o-mini12 shared evalsGLM 5.1 vs GPT-4o-mini12 shared evalsClaude Opus 4.7 vs GPT-4o-mini12 shared evalsGPT-4o-mini vs GPT-5.4 Mini12 shared evalsGPT-4o-mini vs Qwen3.6 Plus11 shared evalsGPT-4o-mini vs GPT-6 Astra4 shared evals
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