Compare AI models
| Specifications | ||
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. | 1M | 2M |
| Overview | ||
| Company | Qwen | SpaceXSI |
| Release date | Nov 11 2026 | Sep 19 2025 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
Qwen4-Max PreviewvsClaude Fable 5.2Grok 4 FastvsClaude Fable 5.2Qwen4-Max PreviewvsGPT-6.1 TerraGrok 4 FastvsGPT-6.1 TerraQwen4-Max PreviewvsGemini 4 CarbonGrok 4 FastvsGemini 4 CarbonQwen4-Max PreviewvsMuse EmberGrok 4 FastvsMuse EmberQwen4-Max PreviewvsDeepSeek-V4.1-Flash-1017Grok 4 FastvsDeepSeek-V4.1-Flash-1017Qwen4-Max PreviewvsMistral Large 4Grok 4 FastvsMistral Large 4Frequently asked questions
Qwen4-Max Preview and Grok 4 Fast don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 4 Fast shipped 418 days before Qwen4-Max Preview, so benchmark comparisons should account for the intervening progress.
Context windows are 1M (Qwen4-Max Preview) vs 2M (Grok 4 Fast).
Direct benchmark comparisons are unavailable — Qwen4-Max Preview and Grok 4 Fast don't publish scores on any of the same benchmarks.