DeepSeek R1-0528vsGrok 4.3 Beta
DeepSeek R1-0528 | Grok 4.3 Beta | |
|---|---|---|
| Benchmarks | ||
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. | 8% | 50% |
| Overview | ||
| Company | DeepSeek | SpaceXAI |
| Release date | May 28 2025 | Apr 17 2026 |
| Access | Open Weight | Proprietary |
Frequently asked questions
Grok 4.3 Beta leads DeepSeek R1-0528 on 1 of the 1 benchmark they both report (BullshitBench v2). DeepSeek R1-0528 shipped 324 days before Grok 4.3 Beta, so benchmark comparisons should account for the intervening progress.
DeepSeek R1-0528 is open weight, while Grok 4.3 Beta is proprietary.
On BullshitBench v2, Grok 4.3 Beta leads at 50% vs DeepSeek R1-0528 at 8%.
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
Grok 4.3 Beta was released by SpaceXAI on Apr 17 2026.
DeepSeek R1-0528 is an open weight model released by DeepSeek. Grok 4.3 Beta is a proprietary model released by SpaceXAI.
Other comparisons
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