OpenRouter vs OpenAI Zero Data Retention for production: a developer's five open questions
kshitizsriv · reddit · 2026-11-05
A developer describes a compliance dilemma: a partner contractually requires zero data retention and no training on data sent to GPT models (text plus image URLs, Responses API, store=false). OpenAI's default API retention is up to 30 days for abuse monitoring, and its ZDR requires an application; OpenRouter's ZDR looks self-serve, with the same GPT models served via Azure and no 'safety retention'.
Five questions posed: is OpenRouter's ZDR contractually backed (DPA/terms) for auditors; do image URL inputs work on ZDR-only endpoints; latency/reliability surprises on Azure-served endpoints vs OpenAI direct; how long OpenAI's ZDR application takes and whether it needs use-case detail or minimum spend; gotchas moving from Responses API to OpenRouter.
Related event: LLM providers' zero data retention promises come with caveats(2 posts)→
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