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Tessl builds an AI-native platform that lets developers specify software in natural language and have AI write, test, and maintain the code.
Raised $150M across disclosed rounds.[13][14]
Series A closed November 2024, led by Index Ventures.[1][2][3][4][5][6][7][16]
post-money valuation is not publicly disclosed.
Named investors include Index Ventures, Accel, GV (Google Ventures), boldstart ventures.[1][3][4][5][6][7][16]
Guy Podjarny, Founder & CEO[1][4][5][6][13][16]
Rob Cresswell, Founding Engineer[14]
Jun 2026 · techcrunch.com
reported
Jun 2026 · fortune.com
reported
Jun 2026 · tech.eu
reported
Jun 2026 · finance.yahoo.com
reported
Jun 2026 · cityam.com
reported
Tessl builds an AI-native platform that lets developers specify software in natural language and have AI write, test, and maintain the code.
GitHub Copilot · github.com/features/copilot · Same buyer (developers) and same budget (developer tooling), but Copilot is code-centric and automates existing workflows rather than replacing the code-centric paradigm.[1][4]
Cursor (Anysphere) · cursor.com · Same buyer and workflow overlap; Cursor accelerates code writing within an editor, while Tessl aims to replace code as the source of truth with specs.[1]
Poolside · poolside.ai · Same buyer and adjacent workflow; both target AI-assisted development but Tessl's spec-centric approach is a more radical paradigm shift.[1]
Magic · magic.dev · Same buyer and similar value proposition of generating code from natural language, but Tessl emphasizes ongoing maintenance and spec-driven lifecycle.[1]
Codeium · codeium.com · Same buyer and budget; Codeium is code-centric and workflow-automation focused, competing for the same developer tooling spend.[1]
Augment · augmentcode.com · Same buyer and adjacent use case; Augment focuses on code understanding and generation within existing paradigms.[1]
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