Spellbook

Spellbook Raises $50M Series B to Expand AI Contract Review Platform

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The new round, led by Keith Rabois at Khosla Ventures, values the company at $350M as it scales to capture more of the $1T transactional legal services market

TORONTO – October 9 , 2025 – Spellbook, often described as “Cursor for contracts,” today announced a $50 million USD Series B funding round led by Keith Rabois, Managing Director

Spellbook Becomes One of the First Legal AI Platforms to Launch GPT-5

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Toronto, August 7, 2025 — Spellbook, the leading AI copilot for contracts, is now one of the first companies globally to integrate OpenAI’s newest frontier model, GPT-5, into its suite. The rollout is already underway, bringing dramatic improvements to contract revision and issue spotting workflows.

“Working with Spellbook on