Unverified50% confidenceBenchmarkExact time
The release party claimed that DeepSeek-V4.1-Flash outperforms Opus 5 and GPT-5.6 Sol on three benchmarks: DeepSWE, CyberGym, and Automation Bench.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/12/2026
First Seen
Valid until: 12/11/2026
Sources
Related Entities
Related Claims
UnverifiedDeepSeek V4.1 Flash is on par with GLM 5.3 and Kimi K3 on several key benchmark tests.75% similarVerifiedDeepSeek has launched the experimental multimodal model V4-Flash-Vision-EXP on its API platform, with text capabilities on par with V4 Flash and multimodal agent benchmark performance close to Opus 4.8 levels.73% similarUnverifiedV4.1 Flash surpassed Opus 5 on the DeepSWE benchmark by a narrow margin of 0.2 points.73% similarUnverifiedWhen using DeepSeek's supporting development tools, it is recommended to update to version 0.1.5, which is best suited for use with V4.1-Flash.72% similarUnverifiedOn the DeepSWE v1.1 benchmark, 3.8 Flash surpasses most frontier models with larger parameter counts.72% similar
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