/Tech12h ago

UC Berkeley's Angjoo Kanazawa releases ABC, an open-source bimanual robotics training stack with a massive teleoperated dataset

Demonstrations show trained policies folding boxes and unlocking padlocks

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Angjoo Kanazawa@akanazawa#464inTech

So excited for this to finally be out:

A fully open-source data & stack released so we can learn the ABCs of bimanual manipulation together!

This was a huge team effort, and many long days and nights of work. Congrats to the amazing team, I'm very proud of you!

Ritvik Singh@ritvik_singh9

Introducing ABC: open data, training, and infrastructure for robotics.

We release the largest teleop dataset to date, and extensively investigate design decisions, pretraining, and post-training techniques.

@arthurallshire @Cinnabar233 @adamrasb @redstone_hong @davidrmcall

3:31 PM · Jun 17, 2026 · 12.3K Views

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Users are enthusiastic about researchers releasing the largest teleop dataset for robotics training because it advances open research in bimanual systems.

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Arthur Allshire@arthurallshire

also check out our code here https://github.com/amazon-far/abc

we haven't released everything yet but there's enough there that you can train a policy, eval it in sim, and view the rollouts live in viser!

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Arthur Allshire@arthurallshire

really excited to have got this out!

here's an uncut, real-time video of our policy folding a cardboard box

Ritvik Singh@ritvik_singh9

Introducing ABC: open data, training, and infrastructure for robotics.

We release the largest teleop dataset to date, and extensively investigate design decisions, pretraining, and post-training techniques.

@arthurallshire @Cinnabar233 @adamrasb @redstone_hong @davidrmcall

14h12.9K14057

clayton@clayhaight

@arthurallshire ehhh let's go!

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