Spirit AI releases Spirit-v1.5 fine-tuning code
Evidence notes
- Spirit AI updated the Spirit-v1.5 repository in April 2026 with fine-tuning code, separating the training release from the January initial model and benchmark release.
- The repository documents training requirements, dataset loading, distributed training utilities, and a fine-tuning launcher for adapting Spirit-v1.5 to robotic manipulation datasets.
- The release matters because it makes Spirit-v1.5 more reproducible as a developer resource for embodied-AI research rather than only a checkpoint and benchmark artifact.
Company context
Develops embodied AI systems and robots built around a Vision-Language-Action (VLA) model, focusing on real-world task execution across industrial and service environments.