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YC S23Acquired

Chatter

Dead simple LLM testing and iteration

About

Chatter is Postman for LLMs. Our platform helps companies and developers test their LLM models. Iterate on prompts, run them across model families and evaluate them against test cases – all in one place. With collaboration features, engineers can design LLM chains while QA can write test cases.

Founders

Family Office Investors

Altss tracks family office allocations to YC-backed companies. Request access to see which family offices have invested in Chatter.

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Industry & Focus

B2BAIOpsDeveloper ToolsGenerative AISaaS