Karpathy’s leash isn’t a shackle, it’s how enterprises learn to trust AI. Do you agree @karpathy ? We explore Karpathy’s idea of “putting AI on a leash” here: https://
ai21.com/blog/karpathys
-leash/
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@ai21labs
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Karpathy’s AI Leash: Building Enterprise Trust in AI Systems
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Maestro AI Agents Now Available for Enterprise Customers
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Complex AI, Simple Assembly.
— AI21 Labs (@AI21Labs) 8 juillet 2025
We believe that even the most complex AI systems should be easy to assemble & incredibly useful. That’s why Maestro AI agents are simple to build & bring real value to businesses.@AI21Labs' Maestro is now available to all enterprise customers!… pic.twitter.com/SjvpxELlTrComplex AI, Simple Assembly. We believe that even the most complex AI systems should be easy to assemble & incredibly useful. That’s why Maestro AI agents are simple to build & bring real value to businesses. @AI21Labs
' Maestro is now available to all enterprise customers! -

Jamba Open Model Family Gets New Update with Improved Grounding
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Now live. A new update to our Jamba open model family Same hybrid SSM-Transformer architecture, 256K context window, efficiency gains & open weights. Now with improved grounding & instruction following. Try it on AI21 Studio or download from @huggingface More on what
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AI21 Hosts Developer Meetups and Virtual Hackathon with AWS
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June was a busy developer-first month for us!
– We hosted three AI Tinkerers meetups in SF, Paris, and NYC
– Presented insights about agents at the AI Engineer World's Fair conference in SF
– Launched a 7-day virtual hackathon with AWS Heroes using our AI21 Maestro product
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Agents Will Transform Systems; Misinformation Risks Require Rapid Adaptation
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Some systems will thrive with agents, some will rely on them, and some won’t keep up, like our ability to handle agent-generated misinformation. Everything we’ve built will need to adapt; the speed and depth of change will be unlike anything we’ve seen.
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AI21 Labs focuses on enterprise AI systems, not AGI
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We don't focus on AGI, which can be defined in many ways. We build AI systems for enterprises to be able to leverage the incredible aspects of this tech, grounded to their policies, data, and workflows. Maestro is optimized for the specific enterprise that uses it. Hope it helps
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Combining Deterministic Methods to Reduce LLM Error Rates
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You’re right, LLMs are inherently probabilistic, not deterministic. However, there are other technologies we use that are deterministic, such as code-based validation, etc. By combining deterministic methods, we significantly reduce error rates and increase reliability.
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AI21 Introduces Maestro Agent Framework for Enterprise Production Deployment
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Yesterday @origoshen our CEO Introduced Maestro, AI21’s agent framework focused on consistency and accuracy, highlighting that while 90% of enterprises aim to adopt AI across hundreds of use cases, only 1-6% reach production—mainly due to immature technology and fear of costly
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AI Breakfast Club: Industry Leaders Discuss AI Agents Future
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What a morning! Today, we hosted a packed house of hundreds at the AI Breakfast Club, in partnership with AI21 Labs, Entrée Capital, AWS, and NVIDIA. The conversation? AI Agents—one of the most buzzed-about topics in AI today. Industry leaders and entrepreneurs shared
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LLMs Need Additional Technologies for Effective Planning
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That is why we have other technologies in addition to LLMs do the planning.