Anthropic Alumni Startup Mirendil Valuation Soars Fivefold

Mirendil, an AI startup by ex-Anthropic staff, hits $5 billion valuation after fivefold jump in value.

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Sep 22, 2026

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Anthropic Alumni Startup Mirendil Valuation Soars Fivefold

Mirendil, an AI startup by ex-Anthropic staff, hits $5 billion valuation after fivefold jump in value.

In brief

Mirendil, an AI startup by ex-Anthropic staff, hits $5 billion valuation after fivefold jump in value. Mirendil's valuation jumps fivefold in a quarter as it seeks $1 billion funding from Kleiner Perkins and Andreessen Horowitz. Originally reported by Pymnts.

Mirendil valuation surge

Mirendil, an AI startup founded by former Anthropic researchers, is in talks to raise new funding at a $5 billion valuation.

Kleiner Perkins leading round

Kleiner Perkins is in talks to lead the round, which could bring in up to $1 billion in new capital.

Fivefold valuation jump

Fivefold valuation jump

The talks come three months after Kleiner Perkins and Andreessen Horowitz led a $200 million seed round for Mirendil at a $1 billion valuation, marking a fivefold jump in value in a single quarter.

Recursive self improvement

Mirendil was started this year by former Anthropic staffers with the goal of building models capable of improving themselves with little human input, a technique known as recursive self-improvement.

New model launch

The new capital would fund Mirendil’s own model and future training runs. The startup plans to launch a frontier model to support engineering and research work by early next year.

Neo-labs wave

Thinking Machines Lab, founded by former OpenAI Chief Technology Officer Mira Murati, is in talks to raise at least $1 billion at a valuation of at least $40 billion.

The headline

Mirendil's valuation jumps fivefold in a quarter as it seeks $1 billion funding from Kleiner Perkins and Andreessen Horowitz.

Read the original on Pymnts

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