DeepSeek V4 Flash (Preview): benchmark results

Provider: DeepSeek. Released 2026-04-24. Access: Open.

Unified ELO 1815 ± 29, rank #133 of 2656 rated models, from 9 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
BenchmarkList ECI137.37Capability Index (ECI)87
SimpleBench46.3Score (AVG@5)44.6
NL2Repo39.4Score (self-reported)35.9
LLM2014 Logic 2026-0713.37Median Score25.6
HANDBOOK.md Agents7.3Score (%)25.4
ComplexConstraints20.9Score (%)19.7
Toolathlon49.7Score (self-reported)19.6
DeepSeek DSBench - FullStack37Score (%)0
DeepSeek DSBench - Hard25.8Score (%)0

Interactive version: theaggregate.ai/model?slug=deepseek-v4-flash-preview · How It Works · Data refreshed daily, snapshot 2026-09-19.