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Parth Chadha

Verified account humans&

@parth_29

mts @humansand, prev rl @ nvidia, cmu
San Francisco Bay Area Joined March 2011
1.7K Following 829 Followers 517 Posts

Latest posts 5

Parth Chadha Verified account @parth_29
Try Ampersand out on vercel!
humans& @humansand Nov 8
Ampersand, our collaborator model, is now on Vercel AI Gateway - use it free for the next week!

Ampersand matches or beats all frontier models (e.g. Fable and Astra) in multi-user long-horizon settings on our evals, and most on external cooperation and multi-agent coding evals, at 744b params (40b active)
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1 replies 1 reposts 17 likes 1.8K views View on X
Parth Chadha Verified account @parth_29
Building models that deeply understand and collaborate with us has never been more important. This requires a dedicated effort and significant investment.
Ampersand & is our first attempt to build such a model and is built by a team that deeply believes in the mission. @saurabh_shah2 @joeyxhong @YuchenHe07 haven’t seen ☀️ for a month now? 🐐
We built the training stack for really long-horizon simulations powered by Persimmon and there is soo much more to do from systems, simulations, evals, algorithms and products!
humans& @humansand Oct 20
No one changes the world alone
Introducing Ampersand - the first model built for us. Ampersand is a collaborator trained to help people achieve their individual and collective goals. In multi-month simulations, users collaborating with Ampersand accomplished more than with Fable and other frontier models
Available to everyone through our API
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6 replies 7 reposts 33 likes 4.2K views View on X
Parth Chadha Verified account @parth_29
It's becoming increasingly important to build tools that deeply understand and empower humans. It can't be an afterthought.
Persimmon helps us model human behavior and lets us peek into the future of how AIs and humans collaborate.
humans& @humansand Sep 10
For AI to work with us, it needs to understand us

Today, we're introducing Persimmon, the first large-scale model designed to realistically simulate how people talk and interact
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Parth Chadha Verified account @parth_29
@radixark team is truly democratizing the infrastructure layer for everyone!
RadixArk Verified account @radixark Aug 18
Today we're launching Miles v0.1, an open-source RL framework for LLMs and multimodal models.

RL training is easy to start and hard to debug. Miles helps you ensure your run is correct, use hardware efficiently, and keep RL running at scale.

Over the past 9 months, 72 contributors have landed 1,326 commits, 85 GPU E2E CI tests, battle-testing Miles on frontier open models like Kimi K3, DeepSeek V4, Qwen 3.8, GLM 5.2, Inkling, MiniMax H3, etc.

Miles powers frontier-model development and production RL workloads at @humansand, @periodiclabs, @modal, @DecagonAI, @Eigent_AI, @nebiusai, @IBM and more, on both @NVIDIAAI and @AIatAMD hardware.

Here is what we built, and why teams picked Miles🧵
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