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LangChain Launches LangSmith Engine v2
LangChain unveiled five Agent updates at Interrupt NYC, headlined by LangSmith Engine v2. Follow-up coverage detailed its red-teaming and repair verification capabilities.
2026-09-24 ~ 2026-10-02 · 2 episodes · 7 posts
Episode 1 · LangChain Unveils LangSmith Engine v2 and Suite of Agent Updates (2026-09-24, 3 posts)
At its Interrupt conference, LangChain announced five updates headlined by LangSmith Engine v2, an automated agent that red-teams and fixes agents before launch with automated repair verification, plus Deep Agents v0.8 and fine-tuning tools.
- LangSmith Engine v2 adds agent red teaming and automated fix validation — LangChain · 2026-09-24
- LangChain ships LangSmith Engine v2 with pre-production red teaming for agents — hwchase17 · 2026-09-25
- LangChain ships Engine v2, Managed Deep Agents v0.8 and fine-tuning at Interrupt NYC — LangChain · 2026-09-26
Episode 2 · LangChain Launches LangSmith Engine v2 with Automated Red Teaming (2026-10-01, 4 posts)
LangChain released LangSmith Engine v2, which proactively red-teams agents by studying their traces and code, reproduces issues in deployment-matching environments, and automatically builds, tests, and verifies fixes before they ship.
- LangChain launches LangSmith Engine v2 with proactive red-teaming for agents — LangChain · 2026-10-01
- LangSmith Engine v2 adds red teaming and automated fix validation for agents — LangChain · 2026-10-01
- LangSmith Engine v2 auto-replicates, fixes and validates agent issues — LangChain · 2026-10-02
- LangChain ships LangSmith Engine v2 with red teaming and automated fix validation — LangChain · 2026-10-02