Gemini 3.1 Pro vs Kimi K2.6
Benchmark Performance
Available Benchmarks
| Benchmark | Gemini 3.1 Pro | Kimi-K2.6 |
|---|---|---|
| LMArena Document Arenadocument-2026-07-30-011508720696 · arena_rating · statistical tie | 1,445.32100% of row best · rating · gemini-3.1-pro-preview; 95% CI [1439.35538449, 1451.29339146]; votes 45162; rank 23 | 1,450.90100% of row best · rating · kimi-k2.6; 95% CI [1443.21872745, 1458.58325377]; votes 11181; rank 21 |
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,480.10100% of row best · rating · gemini-3.1-pro-preview; 95% CI [1476.89767236, 1483.30025658]; votes 102763; rank 11 | 1,455.0198% of row best · rating · kimi-k2.6; 95% CI [1450.48846324, 1459.52803920]; votes 37573; rank 34 |
| LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · leader | 1,295.39100% of row best · rating · gemini-3.1-pro-preview; 95% CI [1289.75236576, 1301.03738662]; votes 39412; rank 17 | 1,280.7199% of row best · rating · kimi-k2.6; 95% CI [1273.64165646, 1287.78511818]; votes 15378; rank 27 |
| LiveBench2026-06-25 · overall · leader | 81.66100% of row best · percent · gemini-3.1-pro-preview-high · 13,380 output tokens / case | 74.1891% of row best · percent · kimi-k2.6-thinking · 27,001 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 3 benchmark winsOverall lead | 0 benchmark wins |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | Gemini 3.1 Pro | Kimi-K2.6 |
|---|---|---|
| Developer | Google DeepMind | Moonshot AI |
| Family | Gemini 3 | Kimi K2 6 |
| Model | Gemini 3.1 Pro | Kimi-K2.6 |
| Version | Gemini 3.1 Pro | Kimi-K2.6 |
| Lifecycle | preview | active |
| Released | Unknown | 2026-04-20 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video, Audio, Document | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,049K | 262K |
| Total parameters | Unknown | 1T |
| Active parameters | Unknown | 32B |
| License | Unknown | other |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Google AI (Standard), Google Gemini (Standard) | Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
13 comparable fields · 10 material differences · Pair passes the primary-source comparison gate
Gemini 3.1 Pro Capabilities
Kimi K2.6 Capabilities
Internal Comparison Graph
Related Comparisons
| A | Pair | B | Context |
|---|---|---|---|
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 DeepSeek-V4-ProDeepSeek | vs | Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs | Grok 4.6xAI | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs |  Qwen3.8-MaxQwen | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs | Kimi-K3Moonshot AI | cross-developer peerstext |
 MiniMax-M3MiniMax | vs | Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs |  Hy4 previewTencent | cross-developer peerstext |
Seed 2.1 ProByteDance Seed | vs | Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
Gemini 3.1 ProGoogle DeepMind | vs |  Mistral Large 3Mistral AI | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
Gemini 3.1 Pro vs Kimi K2.6 FAQs
Is Gemini 3.1 Pro or Kimi K2.6 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Gemini 3.1 Pro and Kimi K2.6, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Gemini 3.1 Pro or Kimi K2.6?+
Gemini 3.1 Pro is $2.00 and Kimi K2.6 is $0.75 per million tokens, so Kimi K2.6 is cheaper on this metric. Gemini 3.1 Pro is $12.00 and Kimi K2.6 is $3.50 per million tokens, so Kimi K2.6 is cheaper on this metric.
Which has a larger context window, Gemini 3.1 Pro or Kimi K2.6?+
Gemini 3.1 Pro has the larger sourced context window. Gemini 3.1 Pro supports 1,049K and Kimi K2.6 supports 262K.
Which performs better in benchmarks, Gemini 3.1 Pro or Kimi K2.6?+
Gemini 3.1 Pro leads the current overall benchmark count. The result uses 4 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.
Can Gemini 3.1 Pro or Kimi K2.6 be self-hosted?+
Kimi K2.6 is the only model in this pair currently marked as self-hostable. Gemini 3.1 Pro is not marked open weight; Kimi K2.6 is open weight.
Can Gemini 3.1 Pro and Kimi K2.6 understand images?+
Gemini 3.1 Pro is documented with image input; Kimi K2.6 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Gemini 3.1 Pro or Kimi K2.6?+
Neither has a larger sourced maximum output. Gemini 3.1 Pro is 66K and Kimi K2.6 is —.
Do Gemini 3.1 Pro and Kimi K2.6 support reasoning and tool use?+
Gemini 3.1 Pro: reasoning, tool calling, and image input. Kimi K2.6: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Gemini 3.1 Pro or Kimi K2.6?+
Gemini 3.1 Pro has 2 sourced provider routes; Kimi K2.6 has 5, so Kimi K2.6 has broader tracked availability.
Which offers better value, Gemini 3.1 Pro or Kimi K2.6?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.