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. | 200k | 256k |
| These models have no shared benchmark scores. | ||
SWE-Bench VerifiedCoding — Real coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 49% | — |
| Overview | ||
| Company | Anthropic | SpaceXSI |
| Release date | Oct 22 2024 | Jul 9 2025 |
| Access | Closed | Closed |
| Model details | View model | View model |
Other comparisons
Claude 3.5 Sonnet (upgraded)vsGPT-6.1 SolGrok 4vsGPT-6.1 SolClaude 3.5 Sonnet (upgraded)vsGemini 4 ArgonGrok 4vsGemini 4 ArgonClaude 3.5 Sonnet (upgraded)vsMuse Spark OpenGrok 4vsMuse Spark OpenClaude 3.5 Sonnet (upgraded)vsDeepSeek-V4.1-Flash-1017Grok 4vsDeepSeek-V4.1-Flash-1017Claude 3.5 Sonnet (upgraded)vsMistral Large 4Grok 4vsMistral Large 4Claude 3.5 Sonnet (upgraded)vsKimi K3Grok 4vsKimi K3Frequently asked questions
Claude 3.5 Sonnet (upgraded) and Grok 4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3.5 Sonnet (upgraded) shipped 260 days before Grok 4, so benchmark comparisons should account for the intervening progress.
Context windows are 200k (Claude 3.5 Sonnet (upgraded)) vs 256k (Grok 4).
Direct benchmark comparisons are unavailable — Claude 3.5 Sonnet (upgraded) and Grok 4 don't publish scores on any of the same benchmarks.