Compare AI models
| Specifications | ||
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality. | — | 314B |
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider. | 128k | 8k |
| Overview | ||
| Company | Moonshot AI | SpaceXSI |
| Release date | Jan 20 2025 | Nov 3 2023 |
| Access | Closed | Open Weight |
| Model details | View model | View model |
Other comparisons
Kimi K1.5vsClaude Haiku 5.5Grok‑1vsClaude Haiku 5.5Kimi K1.5vsGPT-6.1 SolGrok‑1vsGPT-6.1 SolKimi K1.5vsGemini 4 ArgonGrok‑1vsGemini 4 ArgonKimi K1.5vsMuse Spark OpenGrok‑1vsMuse Spark OpenKimi K1.5vsDeepSeek-V4.1-Flash-1017Grok‑1vsDeepSeek-V4.1-Flash-1017Kimi K1.5vsMistral Large 4Grok‑1vsMistral Large 4Frequently asked questions
Kimi K1.5 and Grok‑1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1 shipped 444 days before Kimi K1.5, so benchmark comparisons should account for the intervening progress.
Context windows are 128k (Kimi K1.5) vs 8k (Grok‑1). Kimi K1.5 is closed, while Grok‑1 is open weight.
Direct benchmark comparisons are unavailable — Kimi K1.5 and Grok‑1 don't publish scores on any of the same benchmarks.