Compare AI models
| Overview | ||
| Company | Moonshot AI | SpaceXAI |
| Release date | Oct 9 2023 | Jul 9 2025 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
Kimi ChatvsClaude Sonnet 5.5Grok 4vsClaude Sonnet 5.5Kimi ChatvsGPT-6.1 SolGrok 4vsGPT-6.1 SolKimi ChatvsGemini 4 ArgonGrok 4vsGemini 4 ArgonKimi ChatvsMuse Spark 1.3Grok 4vsMuse Spark 1.3Kimi ChatvsDeepSeek-V4.1-FlashGrok 4vsDeepSeek-V4.1-FlashKimi ChatvsMistral Large 4Grok 4vsMistral Large 4Frequently asked questions
Kimi Chat and Grok 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Chat shipped 639 days before Grok 4, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — Kimi Chat and Grok 4 don't publish scores on any of the same benchmarks.