Proactive AI startup Sol has emerged from stealth with $4 million in funding led by Common Catalyst and Nexus Enterprise Companions, with participation from DeVC, Peercheque and Kunal Shah.

Sol stated the funding shall be used for analysis and improvement and go-to-market initiatives. Its R&D spending will embody LLM processing and tooling prices, hiring and dealing with clients throughout completely different markets.

Based in August 2025 by Anish Karan, Prateek Srivastava and Ranjith Nair, Sol is growing an AI assistant that identifies commitments made in emails and begins engaged on the duties wanted to fulfil them.

Sol is designed for folks whose work entails massive volumes of electronic mail, together with founders, executives and professionals working in gross sales, advertising and marketing, consulting, recruiting and companies.

The startup is attempting to handle a well-recognized downside: folks regularly make commitments over electronic mail, similar to promising to ship an evaluation, share a proposal, overview one thing or organize a gathering, however finishing these duties typically requires work throughout a number of instruments.

Moderately than requiring customers to create one other process or give an AI assistant a separate immediate, Sol identifies commitments and the context round them from Gmail and begins making ready the required work.

For instance, a dedication to ship an evaluation can immediate Sol to hold out analysis and put together a doc. A promise to coordinate with somebody can lead it to suggest a gathering.

The assistant can even create shows, draft electronic mail replies and coordinate conferences.

“Individuals whose work runs via electronic mail typically should repeat themselves: first in electronic mail, then once more once they ask an AI software to behave. There’s no good cause for that. If I’ve already stated I’ll do one thing, there needs to be an AI that will get began on it. We shouldn’t should turn out to be specialists in AI to profit from it. AI ought to discover ways to use the fitting instruments and abilities behind the scenes, so folks can give attention to the work they’re uniquely good at whereas Sol does the heavy lifting and offers them a easy solution to approve or edit the work,” stated Anish Karan, CEO of Sol.

Sol operates its assistant in a devoted laptop atmosphere, the place it could actually use a browser to work throughout completely different instruments. The system additionally has a library of greater than 100 abilities for dealing with several types of work.

The assistant can’t ship something with out the person’s remaining approval.

Customers can overview, edit or approve its work, and nothing is shipped, scheduled or shared till they offer their approval.

Customers can join Gmail to Sol, permitting the product to establish what it calls “open loops” of their inbox with out requiring emails to be manually tagged, forwarded or filed.

The startup states that buyer info shouldn’t be used to coach AI fashions and that its AI suppliers are configured to disable coaching on buyer knowledge.

Sol is at the moment accessible via selective entry as the corporate prepares to make the product extra broadly accessible.

Common Catalyst and Nexus Enterprise Companions have backed Sol’s try to maneuver past AI instruments that rely totally on customers issuing particular person prompts.

Akarsh Shrivastava, accomplice at Common Catalyst, stated the founders’ strategy to the issue and product design had stood out to the agency.

“Sol’s downside is straightforward and deeply felt: in case you’ve stated you’ll do one thing, AI ought to already be doing it. Their client obsession and design philosophy stood out to us, and that’s precisely what this second wants,” Shrivastava stated.

Jishnu Bhattacharjee, accomplice at Nexus Enterprise Companions, stated: “What received us enthusiastic about Sol is that Anish and crew are constructing AI that simply is aware of when to behave and proactively does the fitting issues. There isn’t a studying curve, it’s AI that simply works.”