What the gateway saw in April 2026: agents live on Anthropic, open-source models got fast, and the latency gap is 14×

A read of the per-provider operational data from Requesty’s gateway in April 2026. Anthropic-direct serves twice as many tool calls as the next provider. Open-source aggregator routes are 9-14× faster than they were a year ago. p50 latency between fastest and slowest providers spans 15×.