
BentoLabs AI
BentoLabs AI is a YC Spring 2026 (P26) company. Based in San Francisco, CA, USA. Team of 5.
About BentoLabs AI
Summary
BentoLabs AI builds production infrastructure for teams running long-running AI agents. It detects silent failures, behavioral drift, and broken tool contracts in real time, pinpoints root cause across traces, and surfaces prompt, skill, or harness fixes so teams can correct and improve agents without manual triage. It replaces the scattered combination of separate observability, evaluation, and debugging tools that today leave agents opaque and regressions undetected until users surface them.
Business model
Not specified in available sources.
Go-to-market
Engineering and AI platform teams at companies shipping agentic systems in production are the buyers. Teams start by booking a demo through the website, with the product integrating directly into the production loop via OpenTelemetry-native tracing.
From the Y Combinator listing
Monitoring and learning layer for long-running agents
BentoLabs is the monitoring and learning layer for long-running agents. We detect when agents silently fail or drift from the user's goal, system prompt, or tool contracts, show affected users and root cause, and suggest the prompt, skill, or harness fix. As more teams deploy agents, keeping them reliable in production becomes mission-critical. Bento sits directly in the production loop and gives teams the operational leverage required to scale agent ecosystems without scaling human firefighting alongside them. The result is a system that turns opaque agents into agents that can be monitored, debugged, and improved continuously. The founders learned this problem at Emergent (YC S24), where they built and operated production coding agents used by 5M+ users. Abhinav was hire #1 and helped Emergent hit SWE-Bench #1 and scale from $0 to $100M ARR in just 8 months. Kaushik was hire #2, led full-stack engineering at Emergent, and was key to building the infrastructure that made production agents reliable, observable, and debuggable. Bento's self-learning engine has also lifted ARC-AGI-3 (internal) by 2.6x and Terminal-Bench 2.0 (internal) from 42.2% to 52.4% pass@1 with the same model, tools, and budget.
Facts
- B2B / B2B
- San Francisco, CA, USA
- 5
- Active
- Early
Founders (2)
- Kaushik ASP
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