LangChain raises $300 million Series C at a $3 billion valuation
The company says LangSmith has 7,000 customers, more than double its valuation from about a year ago.
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Stories tagged #langchain
Essay says agent frameworks lack logs needed for real-time oversight
A review of four widely used frameworks found missing persistent agent IDs and records of which humans approved tasks.
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Markdown skill files propagate jailbreaks into AI agents
A poisoned SKILL.md raised mean attack success from 0.5% to 45% across seven open-weight models.
Larger gpt-oss agents gain no MCP fault tolerance, study finds
MCP-Injector, calibrated on 57,240 threads from 1,774 repositories, cut task scores 60 percent, from 8.08 to 3.23.
Jev as a judge: How counterfeit policy steers Jev
Datadog tests whether prompt injection can steer TypeSafe’s Jev and bypass LangChain tool-risk gating.
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[AINews] Opus 5.5 is good at explainer videos
Claude Opus 5.5 leads SimpleBench at 88.4% as GPT-6, Gemini 3.8 Flash, and MiMo-V2.6-Pro also ship.
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