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. | 9k | 256k |
| Overview | ||
| Company | Anthropic | SpaceXSI |
| Release date | Mar 14 2023 | Jul 9 2025 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
Claude 1vsGPT-6.1 TerraGrok 4vsGPT-6.1 TerraClaude 1vsGemini 4 CarbonGrok 4vsGemini 4 CarbonClaude 1vsMuse Spark OpenGrok 4vsMuse Spark OpenClaude 1vsDeepSeek-V4.1-Flash-1017Grok 4vsDeepSeek-V4.1-Flash-1017Claude 1vsMistral Large 4Grok 4vsMistral Large 4Claude 1vsKimi K3.1 ProGrok 4vsKimi K3.1 ProFrequently asked questions
Claude 1 and Grok 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 848 days before Grok 4, so benchmark comparisons should account for the intervening progress.
Context windows are 9k (Claude 1) vs 256k (Grok 4).
Direct benchmark comparisons are unavailable — Claude 1 and Grok 4 don't publish scores on any of the same benchmarks.