OpenTelemetry exposes agent gateway silently rerouting Sonnet requests from OpenAI to Bedrock
GroundbreakingBed597 · reddit · 2026-08-18
A dev shared their investigation into Requested vs Served model mismatches in agent gateways:
- They instrument agent workflows with OpenTelemetry and analyzed provider/model combos from client-call spans.
- Impossible pairs like "Sonnet on OpenAI" turned out to be the gateway silently rerouting per policy: Sonet isn't on OpenAI, so requests were forwarded to Bedrock.
- They ask whether others monitor such patterns (policy misconfigs, emerging request patterns) via built-in gateway features or external analysis.
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