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Pyyan / Compare / Kimi K3 vs DeepSeek V4-Pro

Kimi K3 vs DeepSeek V4-Pro

2 of 5

Open-Weight Models · verified 13 Sept 2026

Kimi K3Moonshot AIcurrent
DeepSeek V4-ProDeepSeekcurrent
3 slots left
SpecificationKimi K3DeepSeek V4-Pro
SummaryLargest open-weight model shipped.Best all-round open model of 2026.
LicenceOpen weightsMIT
Parameters2.8T—
Released17 Jul 2026—
CategoryOpen-Weight ModelsOpen-Weight Models
OfficialMoonshot AI ↗DeepSeek ↗

Highlighted rows are where these differ.

Kimi K3

  • Tops the Frontend Code Arena
  • 76.8% on SWE-Bench Verified

Best for coding.

Full spec sheet →

DeepSeek V4-Pro

  • Tops open leaderboards on agentic coding and reasoning
  • MIT licence — no conditions
  • Pioneered aggressive cache-hit pricing at ~$0.07/M
  • DeepSeek routes all V4-Pro requests to V4.1 Flash from 14 September 2026

Best for everything open.

Full spec sheet →