Gemini 3.1 Pro Preview vs Kimi K2.5
Head to head on 30 shared benchmarks, with price, context window, and release dates.
Benchmark scores
55evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kimi K2.5 Moonshot AI | 68.3% | 35.0% | 1579elo | 74.9 | 35.8% | 27.9% | 87.9% | 30.7% | 70.2% | 78.5% | 72.5% | 77.9% | 61.4% | 57.4% | 77.7% | 84.9% | 76.0% | 62.0% | 39.3% | 76.4% | 66.5% | 63.3% | 49.9% | 49.0% | 74.2% | 34.8% | 69.4 | 26.3% | 17.5% | 95.9% | 96.1 | - | - | - | - | - | - | - | - | - | - | - | - | 95.4 | 10421 | - | 87.1 | - | - | 73 | 67.3% | 70.8% | - | - | - | 59.8% |
| Gemini 3.1 Pro Preview Google (Alphabet Inc.) | 64.5% | 20.0% | 1491elo | 68.2 | 43.0% | 36.9% | 94.1% | 47.0% | 77.1% | 84.4% | 82.4% | 76.5% | 78.5% | 79.1% | 85.4% | 91.0% | 84.0% | 86.3% | 59.1% | 76.1% | 69.4% | 76.2% | 48.7% | 58.7% | 72.9% | 53.8% | 79.4 | 33.4% | 32.0% | 95.6% | - | 76.8% | 12.3% | 26.5% | 2 | 73.1% | 22.8% | 1142elo | 42.5% | 16.7% | 1314elo | 93.2% | 15.1% | - | - | 0.0% | - | 26.0% | 72.7% | - | - | - | 54.2% | 70.7% | 56.1% | 58.7% |
2 / 2 models
| Attribute | Gemini 3.1 Pro Preview Google (Alphabet Inc.) | Kimi K2.5 Moonshot AI |
|---|---|---|
| Description | Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.). | Kimi K2.5 is an AI model from Kimi. |
| Family | Gemini | Kimi |
| Params | - | - |
| Open weights | - | open |
| License | - | Modified MIT |
| Released | 19 Feb 2026 | 27 Jan 2026 |
| Context | 1,048,576 | 262,144 |
| Input $/1M | $2.00 | $0.60 |
| Output $/1M | $12.00 | $2.75 |
| Cache read $/1M | $0.200 | $0.150 |
| Cache write $/1M | $0.375 | - |
| Speed | 118 tok/s | 0 tok/s |
| Latency | 15.11 s | 0.00 s |
| Modalities | audio, file, image, text, video | text, image |
| Providers | - | - |
| Publisher | Google (Alphabet Inc.) | Moonshot AI |
| Reported scores | GPQA Diamond94.1% (AA) Humanity's Last Exam (HLE)47.0% (AA) IFBench77.1% (AA) τ²-bench (Tau²-bench)95.6% (AA) Terminal-Bench (Hard)53.8% (AA) | 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 Gemini 3.1 Pro Preview or Kimi K2.5 better?
- Across the 30 benchmarks both models report on Sophon, Gemini 3.1 Pro Preview leads on 21 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Gemini 3.1 Pro Preview and Kimi K2.5 compare on GPQA Diamond?
- Gemini 3.1 Pro Preview scores 94.1% and Kimi K2.5 scores 87.9% on GPQA Diamond.
- Which is cheaper, Gemini 3.1 Pro Preview or Kimi K2.5?
- Kimi K2.5 is cheaper at $2.75 per million output tokens against $12.00 for Gemini 3.1 Pro Preview - about 4.4x.
- When were Gemini 3.1 Pro Preview and Kimi K2.5 released?
- Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.). Kimi K2.5 was released 27 Jan 2026 by Moonshot AI.
Other head-to-heads
56Gemini 3.1 Pro Preview vs GPT-5.541 shared evalsClaude Opus 4.8 vs Gemini 3.1 Pro Preview38 shared evalsClaude Fable 5 vs Gemini 3.1 Pro Preview36 shared evalsGemini 3.1 Pro Preview vs GPT-5.434 shared evalsClaude Sonnet 4.6 vs Gemini 3.1 Pro Preview32 shared evalsGemini 3.1 Pro Preview vs GLM 5.132 shared evalsClaude Opus 4.6 vs Gemini 3.1 Pro Preview31 shared evalsClaude Opus 4.7 vs Gemini 3.1 Pro Preview31 shared evalsClaude Opus 4.6 vs Kimi K2.531 shared evalsGemini 3.1 Pro Preview vs GPT-5.4 Mini30 shared evalsGemini 3.1 Pro Preview vs GPT-5.229 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 4.5 vs Gemini 3.1 Pro Preview28 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 4.5 vs Gemini 3.1 Pro Preview27 shared evalsGemini 3.1 Pro Preview vs GPT-5 Mini27 shared evalsGemini 3.1 Pro Preview vs Qwen3.6 Plus27 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 evalsGemini 3.1 Pro Preview vs Grok 4.1 Fast25 shared evalsDeepSeek V3.2 vs Kimi K2.525 shared evalsGPT-5.4 Mini vs Kimi K2.525 shared evalsDeepSeek V3.2 vs Gemini 3.1 Pro Preview24 shared evalsGrok 4.1 Fast vs Kimi K2.524 shared evalsClaude 4 Sonnet vs Gemini 3.1 Pro Preview23 shared evalsClaude 4 Sonnet vs Kimi K2.523 shared evalsGemini 3.1 Pro Preview vs GPT-5 Nano22 shared evalsGPT-5 Nano vs Kimi K2.522 shared evalsGemini 3.1 Pro Preview vs GLM 4.721 shared evalsGemini 2.5 Pro vs Kimi K2.521 shared evalsGemini 2.5 Pro vs Gemini 3.1 Pro Preview20 shared evalsGLM 4.7 vs Kimi K2.520 shared evalsGemini 3.1 Pro Preview vs GPT-519 shared evalsgpt-oss-120b vs Kimi K2.519 shared evalsGPT-5 vs Kimi K2.518 shared evalsGemini 3.1 Pro Preview vs gpt-oss-120b18 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 shared evalsGPT-4o vs Kimi K2.515 shared evalsGemini 3.1 Pro Preview vs GPT-4o14 shared evalsGemini 3.1 Pro Preview vs GPT-4.113 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 Kimi K2.512 shared evalsGemini 3.1 Pro Preview vs GPT-4o-mini12 shared evalsGemini 3.1 Pro Preview vs GPT-4.1 Nano12 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 evals
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