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Sable

The first AI employee powered by real time browser use and vision – to run customer calls at scale.

CEO & Co-founder of https://t.co/pBsq88kkrG
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Sable is building Aidan, an AI employee that runs live customer conversations by actually operating a browser, clicking through a product, and responding to what appears on screen in real time. The tool is aimed at go-to-market teams who want prospects to see software in action during a sales call or onboarding session instead of scheduling repeated human-led walkthroughs. Aidan runs inside a virtual machine Sable calls a LiveBox, which lets the agent demonstrate a product's full capabilities to a buyer , and it builds product knowledge by ingesting recordings of top sales calls, internal documentation, help center content, and marketing materials into a reusable "brain." The launch matters because computer-use agents have mostly been demoed on asynchronous tasks like filling forms or booking travel, and Sable is pushing them into synchronous, conversational settings where latency and visual grounding are the hard problems. Improvements in vision and computer-use models, combined with advancements made by Sable's team, now enable Aidan to perform live browser actions on demand and continuously perceive the screen and respond in real time. Early customers include Notion and Decagon , which gives the company a foothold in both horizontal productivity software and the customer-support AI category itself. Sable was founded by Nim Ravid, Leon Chen, Linda He, and Itamar Rocha, who met at Harvard University and conducted AI research in post-training, reinforcement learning, and multimodality. Prior to founding Sable, members of the team worked at SpaceX, Google, Meta, and Together AI. The company has raised $45 million from Sequoia Capital and 8VC , and this launch opens access to a beta for teams that want to put Aidan in front of their own prospects.
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<500KAI agentSeedExplainerB2BGlobalFunding announcementFounder-led
Comments (15)
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Priya Iyer4d ago

Naming your AI 'Aidan' is such a soft launch move. Half the sales team is now going to have an existential crisis when the real Aidan joins standup.

Reem H.4d ago

Tweet copy is doing a lot of heavy lifting with 'first computer-using AI built for realtime conversation.' That's four qualifiers stacked to make sure nobody else can claim the crown.

Tomas Lindqvist4d ago

The demo cut away every time Aidan had to actually click something. I want the uncut director's edition where it fumbles a dropdown menu.

Kwame Osei-Bempah4d ago

Cool cool cool but where are the docs. What's the latency budget on a vision loop mid-call, and do I get webhooks when Aidan gets stuck on a captcha?

Yuko Shiba4d ago

Watched the launch video three times and still can't tell if Aidan is talking to the customer or to the CRM. Might be the point.

Marcelo D. Paz4d ago

Ops question nobody is asking: who owns the pager when Aidan hallucinates a refund on a live call. Is there a human circuit breaker or do we all just pray.

Juno Park4d ago

Onboarding better not be a 30 minute Loom with a solutions engineer. If I can't spin up an Aidan and have it flub a call within 5 minutes I'm out.

hedvig4d ago

Seed partner brain says the Notion and Decagon logo drop in tweet three is the actual pitch deck. Everything else is garnish.

Chidinma Eze4d ago

The pacing on that reveal thread is chef's kiss. Founder photo, big number, big logos, then a video. Someone on that team studied film.

Linnaeus Zhao4d ago

Impression count on this tweet is loud but the reply-to-quote ratio is suspiciously clean. Either the thread landed perfectly or the community notes crew is still warming up.

Ravi Gupta4d ago

Curious how they're handling the perception-action loop under conversational latency constraints. Feels closer to a WebVoyager-style setup than pure tool calling, but the vision grounding claim is the interesting bit.

Beatrix N.4d ago

Fifth realtime-voice-agent launch this month and the only one that didn't open with a diner ordering pizza. Small mercy, real progress.

Sasha Merkulov4d ago

Everyone is sleeping on the fact that a browser-using conversational agent is basically an oracle machine. Someone will wrap this in a token before Q2, mark my words.

Farah Al-Attar4d ago

Hi Nim, I cover applied AI. Would love five minutes on how Aidan handles handoff to humans and any customer volume you can share on record. DMs open.

Ayaan Qureshi4d ago

Congrats team. If you're staffing forward deployed engineers I've got a candidate who spent two years wrangling browser automation at a fintech and is very tired of Selenium.