Verified70% confidenceBenchmarkExact time
V4.1 Flash surpassed Opus 5 on the DeepSWE benchmark by a narrow margin of 0.2 points.
4
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
9/11/2026
First Seen
Valid until: 12/10/2026
Sources
Related Entities
Related Claims
UnverifiedOn the DeepSWE v1.1 benchmark, 3.8 Flash surpasses most frontier models with larger parameter counts.80% similarUnverifiedTesters consider DeepSeek Flash's overall capabilities inferior to top-tier models like Opus 5, making it unsuitable as a primary orchestrator, but suitable as a sub-agent or for local deployment.79% similarUnverifiedV4.1 Flash scored 74.2 on the SWE software engineering benchmark, 90.6 on the terminal benchmark, and 3,471 points on Tonka Forces evaluation (vs. 3,348 for VS Pro).78% similarVerifiedDeepSeek V4 Flash is a distilled or streamlined version of Pro that significantly reduces inference overhead while retaining core programming capabilities.76% similarUnverifiedv4.1 Flash's expert weights are shipped natively in FP4 (4 bits per parameter) and no 8-bit version has ever been released; being close to the compression limit of this format, it cannot be further quantized for Agentic tasks.76% similar
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