/Tech2h ago

Allen Institute for AI post-training lead Nathan Lambert joins Arcee.ai as a research advisor

He will guide the startup's research on open-source AI.

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Arcee.ai@arcee_ai

We are thrilled to announce that @natolambert is joining Arcee as a Research Advisor.

Nathan鈥檚 work and thought leadership have been instrumental to the open model ecosystem, and his guidance comes at a critical time as open builders face growing pressure.

This is a major addition for Arcee and the American OS movement.

Nathan brings the conviction, taste, and technical depth this moment calls for.

10:11 AM 路 Jun 10, 2026 路 48.9K Views
Sentiment

Many users celebrated Arcee appointing Nathan Lambert as Research Advisor because they see it as a huge win that strengthens open source AI and builds an impressive team.

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66 comments with sentiment.
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VIEWS21.2KBOOKMARKS23LIKES503RETWEETS16REPLIES35
Nathan Lambert@natolambert

I quickly became friends with Arcee's leadership and can't help but root for their humble approach to building the open ecosystem. No nonsense licenses, no projecting, just enabling broad access to efficient intelligence.

I'm happily supporting their research as an advisor.

Arcee.ai@arcee_ai

We are thrilled to announce that @natolambert is joining Arcee as a Research Advisor.

Nathan鈥檚 work and thought leadership have been instrumental to the open model ecosystem, and his guidance comes at a critical time as open builders face growing pressure.

This is a major addition for Arcee and the American OS movement.

Nathan brings the conviction, taste, and technical depth this moment calls for.

2hViews 21.2KLikes 503Bookmarks 23
Nathan Lambert@natolambert

I am still starting something else a new full time job, more soon on that front. This helps me serve my community role in the ecosystem.

Nathan Lambert@natolambert

I quickly became friends with Arcee's leadership and can't help but root for their humble approach to building the open ecosystem. No nonsense licenses, no projecting, just enabling broad access to efficient intelligence.

I'm happily supporting their research as an advisor.

2hViews 1.5KLikes 46Bookmarks 0
Vincent Weisser@vincentweisser

@arcee_ai @natolambert 馃敟馃敟

2hViews 308Likes 11
Yacine Mahdid@yacinelearning

@arcee_ai @natolambert this is very hot

2hViews 310Likes 8
xjdr@_xjdr

@natolambert Congrats! amazing move for everyone involved

Nathan Lambert@natolambert

I quickly became friends with Arcee's leadership and can't help but root for their humble approach to building the open ecosystem. No nonsense licenses, no projecting, just enabling broad access to efficient intelligence.

I'm happily supporting their research as an advisor.

2hViews 573Likes 6Bookmarks 0
Seth Karten@sethkarten

@arcee_ai @natolambert huge for the open source community!

2hViews 249Likes 6
sankalp@dejavucoder

@arcee_ai @natolambert woah

2hViews 216Likes 5
himanshu@himanshustwts

@arcee_ai @natolambert waow, congrats nathan and arcee team!

2hViews 312Likes 4
Maziyar PANAHI@MaziyarPanahi

@arcee_ai @natolambert THIS IS HUGE!!! 馃敟

2hViews 217Likes 3
MMitchell@mmitchell_ai

@natolambert "conviction, taste, and technical depth" - Nice!

1hViews 296Likes 2
Andrew Drozdov@mrdrozdov

!!

Arcee.ai@arcee_ai

We are thrilled to announce that @natolambert is joining Arcee as a Research Advisor.

Nathan鈥檚 work and thought leadership have been instrumental to the open model ecosystem, and his guidance comes at a critical time as open builders face growing pressure.

This is a major addition for Arcee and the American OS movement.

Nathan brings the conviction, taste, and technical depth this moment calls for.

2hViews 228Likes 2Bookmarks 0
Daniel Auras@rasdani_

@arcee_ai @natolambert wild 馃敟

congrats!

2hViews 55Likes 3
tensorqt@tensorqt

@arcee_ai @natolambert insane

2hViews 75Likes 2
elie@eliebakouch

@arcee_ai @natolambert Let鈥檚 go 馃敟

1hViews 226Likes 1

@arcee_ai @natolambert What a relief! Congrats both sides! You got good ones 馃槀

2hViews 184Likes 1
am.will@LLMJunky

@arcee_ai @natolambert Congrats to both of you. What a win for everyone.

1hViews 170Likes 1
sshkhr@sshkhr16

@arcee_ai @natolambert

2hViews 43Likes 2
jaisel@jaiselsingh

@arcee_ai @natolambert ooo this is exciting

2hViews 98Likes 1
Nadeem@8W7O7

@arcee_ai @natolambert pull of the year imo

2hViews 94Likes 1
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