Packaging change·Dec 29 → Mar 30, 2026·Q1 2026·AI & Machine Learning

LangChain launches LangSmith Fleet for no-code AI agent creation

LangChainPackagingFeature addedLimit increasePositioning

What changed

Feature added

LangSmith Fleet added: create agents using everyday language. Developer: 1 Fleet agent + 50 runs/mo. Plus: unlimited Fleet agents + 500 runs/mo ($0.05/run overage). Enterprise: custom Fleet packages.

Limit increase

Plus plan seat limit removed - changed from 'Up to 10 seats' to 'Add unlimited seats' at $39/seat/month.

Positioning

Deployment metric row in feature comparison table renamed from 'Agent runs (Deployment)' to 'Deployment runs (Deployment)', reflecting updated terminology for the LangSmith Deployment billing metric.

Before and after

Dec 29, 2025 vs Mar 30, 2026

Pulse.

100%

Change 1 of 3 · feature added

LangSmith Fleet added: create agents using everyday language. Developer: 1 Fleet agent + 50 runs/mo. Plus: unlimited Fleet agents + 500 runs/mo ($0.05/run overage). Enterprise: custom Fleet packages.

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Week 13, 2026 · LangChain rebrands Agent Builder to Fleet across pricing tiers LangChain launches ephemeral agent sandboxes with usage-based pricing · Week 21, 2026

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