Registry / Retention / ZDR

Which AI providers offer zero data retention?

As of 4 October 2026, of 16 AI model offerings tracked, 7 have clear public evidence and 9 are conditional or gated.

Clear public evidence: Claude via Google Vertex AI, Gemini via Vertex AI, AWS Bedrock (platform), Cohere via AWS Bedrock, Llama via AWS Bedrock, xAI API, DeepSeek via Fireworks AI
Conditional, sales-gated, or partial: OpenAI API, Azure OpenAI Service, Anthropic API, Claude via AWS Bedrock, Mistral La Plateforme, Mistral via Azure AI, Cohere API, Llama via Azure AI, DeepSeek API (first-party)

Documented retention windows and zero-data-retention options, including whether ZDR is default, configurable, or approval-gated. The cell answers: Is retention documented, and is zero-data-retention available? Statuses below are evidence grades, not endorsements, “no public evidence” means we could not verify it from public sources, not that the answer is no.

OpenAI API first-party API

◐Yes, sales-gated confidence: high · verified 2026-09-30

OpenAI documents retention policies and states Zero Data Retention is gated behind sales approval, confirming the yes_sales_gated value.

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Azure OpenAI Service OpenAI model, served by Microsoft Azure

◔Partial confidence: high · verified 2026-09-28

Retention is publicly documented (30 days) and zero-data-retention is only offered after a sales/approval process, so the compound question is only partially satisfied.

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Anthropic API first-party API

◐Yes, sales-gated confidence: high · verified 2026-10-02

The provider’s own documentation publicly describes its API data‑retention policy and states that ZDR is available only through a sales‑gated request.

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Claude via AWS Bedrock Anthropic model, served by AWS Bedrock

◔Partial confidence: high · verified 2026-10-03

AWS docs confirm retention settings are publicly documented and state that ZDR applies only to pre‑Fable 5 Claude models, so the claim is only partially satisfied.

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Claude via Google Vertex AI Anthropic model, served by Google Cloud Vertex AI

●Yes, public confidence: high · verified 2026-09-28

Google publicly documents its zero-data-retention policy for all managed models on Gemini Enterprise Agent Platform, and Claude is listed as a managed model on the platform, so retention is documented and zero-data-retention is available.

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Gemini via Vertex AI Google model, served by Google Cloud Vertex AI

●Yes, public confidence: high · verified 2026-10-04

The provider’s public documentation explicitly describes data retention policies and outlines steps to achieve zero data retention for Gemini via Vertex AI.

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AWS Bedrock (platform) platform row

●Yes, public confidence: high · verified 2026-10-01

AWS Bedrock documentation publicly lists the 'none' retention mode with a description confirming zero-data-retention is available as a self‑serve setting.

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Mistral La Plateforme first-party API

◐Yes, sales-gated confidence: high · verified 2026-10-02

ZDR is publicly documented on Mistral's own docs/help center but activating it requires a support request reviewed and approved at Mistral's discretion, so per the gate rules (like HIPAA BAA) it is yes_sales_gated rather than yes_public.

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Mistral via Azure AI Mistral AI model, served by Microsoft Azure

◐Yes, sales-gated confidence: high · verified 2026-09-28

Microsoft documentation confirms retention policy is public and zero‑data‑retention can be enabled only after a gated approval process.

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Cohere API Cohere model, served by Cohere (first-party)

◐Yes, sales-gated confidence: high · verified 2026-10-01

The page publicly documents 30‑day retention and states zero‑data‑retention requires approval, making the offering sales‑gated.

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Cohere via AWS Bedrock Cohere model, served by AWS Bedrock

●Yes, public confidence: high · verified 2026-09-29

The abuse detection page documents default zero-data-retention and lists only OpenAI and Anthropic models as exceptions, confirming Cohere retains no data and ZDR is available.

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Llama via AWS Bedrock Meta model, served by AWS Bedrock

●Yes, public confidence: high · verified 2026-10-04

AWS docs publicly describe a zero‑data‑retention mode and the linked abuse‑detection list does not include any Llama models, confirming zero‑retention is supported for Llama via Bedrock.

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Llama via Azure AI Meta model, served by Microsoft Azure (Azure AI Foundry / Models-as-a-Service)

◐Yes, sales-gated confidence: high · verified 2026-09-29

Microsoft publicly documents the retention policy and states that zero‑data‑retention is gated behind enterprise‑agreement approval, so the claim is sales‑gated.

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xAI API xAI model, served by xAI (first-party)

●Yes, public confidence: high · verified 2026-10-03

The provider's own FAQ page publicly states the default 30‑day retention and describes a self‑serve Zero Data Retention option, satisfying both parts without a sales or NDA gate.

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DeepSeek API (first-party) first-party API

◔Partial confidence: high · verified 2026-10-01

DeepSeek publicly documents its data retention period, but no authoritative DeepSeek page shows a zero‑data‑retention option for the API.

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DeepSeek via Fireworks AI DeepSeek model, served by Fireworks AI

●Yes, public confidence: high · verified 2026-10-02

Fireworks' own blog documents that DeepSeek on Fireworks has zero data retention by default, satisfying the retention documentation requirement.

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