DeepSeek v4.1 Flash claimed as top open-source cybersecurity model at 1/15 the cost
andreamichi · x · 2026-09-12
- A third-party account claims DeepSeek v4.1 Flash is the strongest open-source cybersecurity model, the first open model with frontier-level vulnerability detection.
- Reported dfbench results: 57.3% recall, 36.4% precision, at $1.69 per task — about 1/15 the cost of comparable closed models.
- The claim frames progress in defensive AI security as a two-axis race: detection quality and cost efficiency.
- Unverified by DeepSeek; benchmark details warrant independent confirmation.
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