The Bot Shelf

Usage Based Pricing

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A developer interfaces with a complex, glowing AI system, visualizing the intricate data streams and code involved in LLM development and observability.
Developer Tools

LangSmith Pricing in 2026: Seats, Traces, and the New LSU Billing Model Explained

Understand LangSmith's 2026 pricing, including per-seat costs for Developer and Plus plans, and the new LSU billing model for trace and storage usage. This guide helps you navigate usage-based charges and budget effectively.

Armen Bedrosian·June 28, 2026