Pyyan / Open-Weight Models / DeepSeek V4-Pro

DeepSeek V4-Pro

Best all-round open model of 2026.

currentDeepSeekVerified 2026-08-13

80.6%

SWE-Bench Verified

Specifications

LicenceMIT
Parameters

What matters

  • Tops open leaderboards on agentic coding and reasoning
  • MIT licence — no conditions
  • Pioneered aggressive cache-hit pricing at ~$0.07/M

Best for everything open.