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OpenVLA-OFT

Optimized Fine-Tuning (OFT) for VLAs (RSS 2025). Boosts OpenVLA on LIBERO (~76.5%→97.1%) with parallel decoding, action chunking, and continuous actions; strong real ALOHA results.

Why: 2025 OpenVLA follow-up: OFT finetune recipe + paper arXiv:2502.19645

Overview

OpenVLA-OFT is the 2025 follow-up to the base OpenVLA model paper. Paper: Fine-Tuning Vision-Language-Action Models (arXiv:2502.19645, RSS 2025). It studies action decoding, continuous actions, and learning objectives, and proposes an Optimized Fine-Tuning (OFT) recipe.

Reported gains include lifting OpenVLA’s LIBERO average success from about 76.5% to 97.1% while increasing action throughput substantially, plus strong real bimanual ALOHA results versus π0 / RDT-style finetunes. If you already use OpenVLA weights, this is usually the first paper/code to read after the 2024 base paper.

Who it is for

Teams finetuning OpenVLA on limited demos; readers wanting the 2025 OpenVLA-line paper.

Key highlights

  • 2025 RSS paper arXiv:2502.19645
  • LIBERO SOTA-style gains for OpenVLA finetune
  • Parallel decoding + action chunking + continuous actions
  • Open code and checkpoints

When to use

  • Finetuning OpenVLA on small-to-medium robot datasets

When not to use

  • You are training a non-OpenVLA architecture from scratch

Getting started

  1. 1Start from OpenVLA checkpoint
  2. 2Follow OFT configs
  3. 3Ablate learning rates on a tiny split

Papers & reading

How it compares

Caveats & pitfalls

  • Still inherits OpenVLA license and compute needs.

Content reviewed 2026-07-23