DeepSeek R1-0528 vs GPT-5.6 Luna
DeepSeek DeepSeek R1-0528 | OpenAI GPT-5.6 Luna | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | May 28 2025 | Jun 26 2026 |
| Access | Open Weight | Proprietary |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given 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% | — |
| Timeline | ||
| Release gap | DeepSeek R1-0528 shipped 394 days before GPT-5.6 Luna | |
Which is better: DeepSeek R1-0528 or GPT-5.6 Luna?
DeepSeek R1-0528 and GPT-5.6 Luna don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek R1-0528 shipped 394 days before GPT-5.6 Luna, so benchmark comparisons should account for the intervening progress.
DeepSeek R1-0528 is open weight, while GPT-5.6 Luna is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek R1-0528 and GPT-5.6 Luna don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek R1-0528 was released by DeepSeek on May 28 2025.
GPT-5.6 Luna was released by OpenAI on Jun 26 2026.
DeepSeek R1-0528 is an open weight model released by DeepSeek. GPT-5.6 Luna is a proprietary model released by OpenAI.
Other comparisons
DeepSeek R1-0528 vs Claude Fable 5GPT-5.6 Luna vs Claude Fable 5DeepSeek R1-0528 vs Gemini OmniGPT-5.6 Luna vs Gemini OmniDeepSeek R1-0528 vs Muse SparkGPT-5.6 Luna vs Muse SparkDeepSeek R1-0528 vs Grok 4.3 BetaGPT-5.6 Luna vs Grok 4.3 BetaDeepSeek R1-0528 vs Mistral Medium 3.5GPT-5.6 Luna vs Mistral Medium 3.5DeepSeek R1-0528 vs Kimi K2.7 CodeGPT-5.6 Luna vs Kimi K2.7 Code