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Backplain

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(1)5.0/5

Backplain is a multi-model AI platform that provides enterprise teams with unified access to multiple large language models through a governed, auditable workspace with built-in sensitive data controls. Organizations increasingly face a governance gap as employees adopt AI tools independently — using personal accounts to process confidential documents, legal agreements, patient data, and proprietary business information without organizational visibility or policy enforcement. Backplain addresses this by centralizing AI access under administrative control while preserving employees' ability to work with the models they need. The platform connects to 47 frontier AI models across nine providers — including OpenAI, Anthropic, Google, Meta, Mistral, Amazon, xAI, and Perplexity — through a single interface. Its multi-model chat capability allows users to submit one prompt to multiple models simultaneously and compare responses side by side, enabling more informed decisions on outputs that vary across models, such as contract language interpretation, regulatory filings, or clinical summaries. Key features and capabilities include: AI Firewall: A patent-pending sensitive data obfuscation system that intercepts prompts before they reach any AI provider. Administrators configure three enforcement modes per data category: hard block, user warning, or silent reconstitution (where stand-ins are substituted before transmission and original terms are restored in the response). Audit logging: Every user session, prompt, model selection, and firewall event is logged and accessible through the admin console, with export to AWS QuickSight on Business and Enterprise tiers. Flat-rate pricing: All models included at a fixed per-seat monthly rate with no token costs, usage limits, or overage charges. Flexible deployment: Available as multi-tenant SaaS, customer-managed cloud (AWS, Azure, or GCP), fully managed private cloud, or dedicated bare metal in a SOC 2 Type II certified Tier 3 data center in San Diego. Compliance controls: BAA available for HIPAA-covered entities, SSO/SAML standard on Business tier and above, FedRAMP-aligned controls, GDPR-compliant data processing agreements, and BYOK (customer-managed keys) on the Sovereign tier. Backplain serves legal, biotech and pharmaceutical, and defense organizations, with particular adoption among in-house legal teams at regulated companies. The company was founded by former Intuit executives and is headquartered in San Diego, California.

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