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DeepSeek DSBench Hard

DeepSeek's internal hard coding-agent benchmark.

2 models

Higher is better.

  1. 1DeepSeek V4 Pro 0813DeepSeek67.2
  2. 2DeepSeek V4 Flash 0731DeepSeek59.6
Higher is better. Bar colour: blue proprietary, orange open weights, green other.

About this benchmark

Metric
Provider-reported score
Tasks
Internal hard coding-agent tasks
Authors
DeepSeek-AI (2026)

Scores are as reported by model developers or evaluators and may use different settings (for example reasoning effort or tools). Compare with care.