DeepSeek V4-Flash Benchmarks Leak: Massive Leap in Agent Capabilities

Reddactor · reddit · 2026-07-31

A user compiled benchmark comparisons for DeepSeek V4-Flash against its preview version. The data shows significant capability improvements: Terminal Bench score jumped from 56.9 to 82.7 (+25.8), and Toolathlon increased from 51.8 to 70.3 (+18.5). It also posted strong results in several new agent and automation benchmarks like NL2Repo, Cybergym, and DeepSWE.

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