Open Models June 2026: Finetunes, NVFP4/MXFP4/AutoRound quantizations, and misc releases

This article lists open models released in June 2026, categorized into finetunes, quantized variants, and miscellaneous updates.

• Finetunes include Nex-N2, Ornith-1.0, Agents-A1, Holo3.1, Tmax-27b, MusaCoder-27B, and VibeThinker-3B.
• NVIDIA NVFP4 quantization is available for models such as Nemotron-3-Ultra-550B-A55B, Qwen3.6-27B, GLM-5.2, MiniMax-M3, and diffusiongemma-26B-A4B-it.
• AMD MXFP4 quantization covers Kimi-K2.7-Code, GLM-5.2, Qwen3.5-397B-A17B, and MiniMax-M3.
• Intel AutoRound quantization applies to DiffusionGemma-26B-A4B, DeepSeek-V4-Pro, Gemma-4-31B-it, and Gemma-4-12B-it.
• Miscellaneous releases include Gemma-4-QAT, NVIDIA's Nemotron-Labs-TwoTower-30B-A3B-Base, and DeepSeek's DeepSpec suite.

The compilation provides a centralized reference for recent open model availability across various hardware-optimized formats.