Grok 4vsGrok 4.3 Beta
Grok 4 | Grok 4.3 Beta | |
|---|---|---|
| BenchmarksPublished by one model only | ||
BullshitBench v2Nonsense detection — Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | — | 50% |
| Overview | ||
| Company | SpaceXAI | SpaceXAI |
| Release date | Jul 9 2025 | Apr 17 2026 |
| Access | Proprietary | Proprietary |
Other comparisons
Grok 4vsClaude Fable 5.1Grok 4.3 BetavsClaude Fable 5.1Grok 4vsGPT-6 AstraGrok 4.3 BetavsGPT-6 AstraGrok 4vsGemini 3.8 FlashGrok 4.3 BetavsGemini 3.8 FlashGrok 4vsMuse Spark 1.3Grok 4.3 BetavsMuse Spark 1.3Grok 4vsDeepSeek-V4.1-FlashGrok 4.3 BetavsDeepSeek-V4.1-FlashGrok 4vsMistral Medium 3.5Grok 4.3 BetavsMistral Medium 3.5
Frequently asked questions
Grok 4 and Grok 4.3 Beta don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 4 shipped 282 days before Grok 4.3 Beta, 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 — Grok 4 and Grok 4.3 Beta don't publish scores on any of the same benchmarks.