depthfirst Launches dfs-large1, a Cybersecurity Model Built on GLM-5.2
andreamichi · x · 2026-07-31
Cybersecurity firm depthfirst has announced dfs-large1, its latest specialized security model. Built on top of Zhipu's GLM-5.2, the model was post-trained inside depthfirst’s security agent harness using their RL stack, with compute powered by Fireworks AI.
The company reported consistent performance gains on long-horizon tasks involving repository-level context, tool use, and executable verification, with no signs of plateauing. On their internal benchmark, depthfirst-bench, dfs-large1 achieves best-in-class performance in vulnerability discovery and validation, outperforming general-purpose models like GPT-5.6 and Claude Opus, establishing a new Pareto frontier for production workloads.
Related event: DepthFirst Launches GLM-5.2-based Cybersecurity Model dfs-large1(3 posts)→
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