Kimi K2.6 vs Grok 4.20 Multi Agent
At a Glance
| Compare |  Kimi K2.6Moonshot AI | |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #32 of 4650.5 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 33.6–67.0 | #22 of 4663.4 score · 2/3 sources · provisional · missing LiveBench · full-core range 42.3–75.6 |
| CostLower is better · Published-token output estimate | #21 of 44$0.095 per LiveBench case | UnrankedNot in the 44-model eligible cohort |
| EfficiencyHigher is better · MM Efficiency v1.5 | #24 of 3850.1 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 41.7–58.4 | UnrankedNot in the 38-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.75Deepinfra ↗ · Sep 22, 2026 | $1.25Xai ↗ · Sep 3, 2026 |
| Output priceFrom · USD / 1M tokens | $3.50Deepinfra ↗ · Sep 22, 2026 | $2.50Xai ↗ · Sep 3, 2026 |
| Context windowMaximum documented tokens | 262K | 1,000K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 29, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | Kimi-K2.6 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · statistical tie | 1,454.92100% of row best · rating · kimi-k2.6; 95% CI [1450.40277919, 1459.43693683]; votes 37502; rank 38 | 1,449.94100% of row best · rating · grok-4.20-multi-agent-beta-0309; 95% CI [1446.16660741, 1453.71198087]; votes 60777; rank 46 |
| LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader | 1,280.40100% of row best · rating · kimi-k2.6; 95% CI [1273.38025179, 1287.42397051]; votes 15347; rank 28 | 1,259.5598% of row best · rating · grok-4.20-multi-agent-beta-0309; 95% CI [1253.19837141, 1265.89693020]; votes 22925; rank 46 |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 1 benchmark winNo overall winner | 0 benchmark winsNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Kimi-K2.6 | Grok 4.20 Multi-Agent |
|---|---|---|
| Developer | Moonshot AI | xAI |
| Family | Kimi K2 6 | Grok 4 20 |
| Model | Kimi-K2.6 | Grok 4.20 Multi-Agent |
| Version | Kimi-K2.6 | Grok 4.20 Multi-Agent |
| Lifecycle | active | preview |
| Released | 2026-04-20 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 262K | 1,000K |
| Total parameters | 1T | Unknown |
| Active parameters | 32B | Unknown |
| License | other | Unknown |
| Open weights | Yes | No |
| API available | Yes | Yes |
| Self-hostable | Yes | No |
| Provider access | Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard) | Xai (Standard) |
| Capabilities | chat, generation, reasoning, tools | generation, reasoning, research, tools |
Kimi K2.6 Capabilities
Grok 4.20 Multi Agent Capabilities
Related Comparisons
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|---|---|---|---|
Kimi-K2.6Moonshot AI | vs |  GPT-6 AstraOpenAI | cross-developer peersimage, text |
Claude Fable 5.1Anthropic | vs | Kimi-K2.6Moonshot AI | cross-developer peersimage, text |
 Gemini 3.1 ProGoogle DeepMind | vs | Kimi-K2.6Moonshot AI | cross-developer peerstext |
 DeepSeek-V4.1-FlashDeepSeek | vs | Kimi-K2.6Moonshot AI | cross-developer peersimage, text |
Kimi-K2.6Moonshot AI | vs | Grok 4.6xAI | cross-developer peersimage, text |
Kimi-K2.6Moonshot AI | vs |  Qwen3.8-MaxQwen | cross-developer peersimage, text |
Kimi-K2.6Moonshot AI | vs | Kimi-K3Moonshot AI | family variantsembedding, image, text |
 MiniMax-M3MiniMax | vs | Kimi-K2.6Moonshot AI | cross-developer peersimage, text |
Kimi-K2.6Moonshot AI | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Kimi-K2.6Moonshot AI | vs |  Hy4 previewTencent | cross-developer peerstext |
Seed 2.1 ProByteDance Seed | vs | Kimi-K2.6Moonshot AI | cross-developer peersimage, text |
 Mistral Large 3Mistral AI | vs | Kimi-K2.6Moonshot AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Kimi K2.6 vs Grok 4.20 Multi Agent FAQs
Is Kimi K2.6 or Grok 4.20 Multi Agent better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Kimi K2.6 and Grok 4.20 Multi Agent, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Kimi K2.6 or Grok 4.20 Multi Agent?+
Kimi K2.6 is $0.75 and Grok 4.20 Multi Agent is $1.25 per million tokens, so Kimi K2.6 is cheaper on this metric. Kimi K2.6 is $3.50 and Grok 4.20 Multi Agent is $2.50 per million tokens, so Grok 4.20 Multi Agent is cheaper on this metric.
Which has a larger context window, Kimi K2.6 or Grok 4.20 Multi Agent?+
Grok 4.20 Multi Agent has the larger sourced context window. Kimi K2.6 supports 262K and Grok 4.20 Multi Agent supports 1,000K.
Which performs better in benchmarks, Kimi K2.6 or Grok 4.20 Multi Agent?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Kimi K2.6 or Grok 4.20 Multi Agent be self-hosted?+
Kimi K2.6 is the only model in this pair currently marked as self-hostable. Kimi K2.6 is open weight; Grok 4.20 Multi Agent is not marked open weight.
Can Kimi K2.6 and Grok 4.20 Multi Agent understand images?+
Kimi K2.6 is documented with image input; Grok 4.20 Multi Agent is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Kimi K2.6 or Grok 4.20 Multi Agent?+
Neither has a larger sourced maximum output. Kimi K2.6 is — and Grok 4.20 Multi Agent is —.
Do Kimi K2.6 and Grok 4.20 Multi Agent support reasoning and tool use?+
Kimi K2.6: reasoning, tool calling, and image input. Grok 4.20 Multi Agent: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Kimi K2.6 or Grok 4.20 Multi Agent?+
Kimi K2.6 has 5 sourced provider routes; Grok 4.20 Multi Agent has 1, so Kimi K2.6 has broader tracked availability.
Which offers better value, Kimi K2.6 or Grok 4.20 Multi Agent?+
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.