Tracing Tools Build AI Gateways to Own the Request Path
In 2026, LangSmith, Langfuse, Opik and Braintrust all shipped AI gateways. The reason: a tracer records a call, but a gateway can stop it before tokens are paid for.
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In 2026, LangSmith, Langfuse, Opik and Braintrust all shipped AI gateways. The reason: a tracer records a call, but a gateway can stop it before tokens are paid for.