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Baserun (YC S23) — Observability and evaluation platform for LLM apps

LLMs are incredibly powerful, but latency, cost, and unpredictable outputs have made productionizing LLM features challenging. Baserun is a testing and observability platform that helps AI teams streamline their development cycle from identifying an issue to evaluating their solution, so that teams ship faster with confidence.

Baserun is a Y Combinator company in the Summer 2023 batch. Its directory entry describes it as: Observability and evaluation platform for LLM apps. The founders listed are Effy Zhang (Founder), Adam Ginzberg (Founder) (Y Combinator directory entry, August 9, 2023).

6 more companies from YC Summer 2023 ↓

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Baserun

New accelerator entry · 2023-08-09 · the record

Summer 2023
batch
2
people
Early
stage
United States of America
region
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What the record says

BatchSummer 2023
Announced2023-08-09
StageEarly
StatusActive
Team size2
IndustryB2B
Sub-industryB2B -> Engineering, Product and Design
SectorsAIOps, Artificial Intelligence, Developer Tools, B2B, AI
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttps://baserun.ai
Founded2023
YC group partnerHarj Taggar
Previously known asMochi Labs, baserun.ai

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Also in YC Summer 2023

Same batch, B2B first.

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In their words

LLMs are incredibly powerful, but latency, cost, and unpredictable outputs have made productionizing LLM features challenging. Baserun is a testing and observability platform that helps AI teams streamline their development cycle from identifying an issue to evaluating their solution, so that teams ship faster with confidence.

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Baserun: Accepted into Y Combinator Summer 2023
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Permanent URL: https://mentionfox.com/funding/yc-baserun
Last updated 2026-10-29
Primary record: Y Combinator directory entry
Baserun (YC S23) — Observability and evaluation platform for LLM apps. MentionFox, 2026-10-29. https://mentionfox.com/funding/yc-baserun