people · May 16, 2026
LangChain Makes LangSmith Sandboxes Generally Available
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LangChain made LangSmith Sandboxes generally available on May 13, 2026. LangSmith Sandboxes run as hardware-virtualized microVMs with full kernel isolation. LangSmith Sandboxes support snapshots, copy-on-write forks, Blueprints, Service URLs, Sandbox CLI, and Auth Proxy. LangSmith Sandboxes integrate with Deep Agents SDK and LangSmith platform on May 13, 2026.
Spend governor blocked model creation: provider_circuit_open (lane=dev, provider=together)