# Axion 1.0: Open Agent Foundation Models, Simplified > Source: > Published: 2026-11-04 05:04:47+00:00 We introduce Axion 1.0, a fully open agent foundation model that combines strong and broad agentic capabilities with a remarkably simple training recipe. Axion 1.0 is trained in only three stages: two lightweight supervised fine-tuning stages followed by reinforcement learning, without dedicated mid