Technology

This AI Works by Text Message and Just Raised $1 Billion

Martin HollowayPublished 2d ago2 min readBased on 5 sources
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This AI Works by Text Message and Just Raised $1 Billion
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Instinct has raised $1 billion at a $10 billion valuation. The startup makes an AI assistant that works by text message. It confirmed the funding on Monday, September 28, 2026. Sequoia Capital, Benchmark Capital and Coatue took part. TechCrunch

The news was shared as a Business Wire press release titled "Instinct Raises $1 Billion in Series C Funding from Sequoia, Benchmark and Coatue at $10 Billion Valuation." Business Wire Reuters reported on the round on September 28, 2026. Reuters

The Information had reported earlier in September that Instinct was talking about raising $1 billion at a $10 billion valuation. The Information That earlier report is now replaced by the confirmed funding.

Instinct was started by Noah Shinn. It opened its invite-only service, meaning only invited users can try it, in August 2026. It works through SMS and regular texting. There is no mobile app yet.

About a month earlier, Instinct had announced a $350 million raise at a $2.5 billion valuation. Yahoo Finance At that time, the company was one year old. The path was August invite-only launch, then $350 million at $2.5 billion, then $1 billion at $10 billion in late September. That is four times the value in about a month, with no app released in between.

The broader context here is what such a fast jump does not tell us. The funding shows strong investor interest. It does not show whether the technology is ready for many more users at once.

In my view, the text-message choice explains both the interest and the risk. It is like texting a helper who can do tasks for you. There is nothing to download and no settings to approve. The downside is that plain texts give the system much less background than an app does. There is no saved screen, no information kept on the phone, and no clear record of what the user tapped. Instinct must put each request together on its own computers using past messages, results from its tools, and the account linked to the phone number. That makes careful checks important, such as when the AI can act, when it should try again, and when it must ask permission before doing something with real effects.

For business watchers, the size of the funding brings its own pressure. The $1 billion lets Instinct pay for the computer power to run its AI, hire people to work on safety and reliability, and stay invite-only longer without needing to make money right away. At the same time, it raises expectations for fast and steady service. Regular texting handles large volumes easily, but the AI systems behind it do not. The question is whether the service can stay quick, trackable, and steady as more people use it together.

The longer history here is hopeful. Tools that made computer work simpler, from the PC to the web browser to the phone, brought in more users each time. I saw that with my own two children. They never cared about the system behind it, only whether it answered fast and did what it said. If Instinct can do that by text, it will have earned the attention. The money buys time to show it can.