Clay raised $115M at a $7.1B valuation on Sept 10, 2026

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Everett Berry details GTM engineering technical bits at Clay

Everett Berry, in a YouTube video, walks through the technical challenges of go-to-market engineering, focusing on data quality and enrichment. He explains that a single data vendor may only provide about half of the phone numbers needed across countries, so teams must waterfall multiple providers and run evals to determine which to trust. The goal is to build a perfect virtual copy of the market, but accounts constantly change, making data refresh expensive.

Everett Berry, in a YouTube video, walks through the technical challenges of go-to-market engineering, focusing on data quality and enrichment. He explains that a single data vendor may only provide about half of the phone numbers needed across countries, so teams must waterfall multiple providers and run evals to determine which to trust. The goal is to build a perfect virtual copy of the market, but accounts constantly change, making data refresh expensive.

Typesafe AI raised $870M in funding at a $7.5B valuation, per the company's announcement. The round's backers and intended use of proceeds are not stated in the available source material.

AI training-data startup AfterQuery reportedly raised a round valuing it at $3.2 billion, just five months after a $30 million Series A at a $300 million valuation. Y Combinator partner Gustaf Alströmer says it is the fastest launch-to-unicorn run in the accelerator's history. The scale of the jump matters to practitioners tracking how quickly data-labeling infrastructure startups can monetize frontier-model demand.

The Information reported that Thinking Machines, the AI lab founded early last year by former OpenAI CTO Mira Murati, is in discussions to raise $1 billion at a valuation of at least $40 billion. Existing backer Accel is in talks to lead the round, per TechCrunch citing The Information. If completed, the round would value the company below the $50 billion it reportedly sought late last year.

AI code-testing startup Blacksmith raised a $45 million Series B led by Peak XV Partners, valuing the company at $550 million—up from $60 million less than a year ago. The round brings total funding to $58.5 million and underscores the growing importance of testing AI-generated code.