In depth: Speakeasy vs Fiddler AI

Speakeasy and Fiddler AI are both positioned as AI control planes, but they serve different purposes within enterprise AI governance and observability. Speakeasy functions as a governance-focused security platform that serves as an enforcement layer, providing real-time threat blocking, policy enforcement, and audit logging by sitting directly in the traffic path. This allows it to block policy violations immediately and manage access control at the tool level. In contrast, Fiddler AI is primarily an observability and evaluation platform that monitors AI model performance, providing insights into drift, hallucination, and safety scoring without directly enforcing policies in the traffic path. Instead, Fiddler's platform focuses on agent tracing, risk evaluation, and compliance reporting, relying on application logic to handle blocking based on its scoring API. Both platforms achieve different objectives in managing AI systems, with Speakeasy prioritizing access governance and Fiddler focusing on evaluating AI model quality. They can be used together to provide comprehensive AI system management, combining Speakeasy's direct enforcement with Fiddler's detailed evaluation capabilities.

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