Fiddler Trust Service
The Fiddler Trust Service is a specialized infrastructure component of the Fiddler AI platform that hosts purpose-built large language models (LLMs) designed specifically for AI monitoring and guardrail use cases. These dedicated models, known as Fiddler Trust Models (or Fast Trust Models), are optimized to evaluate LLM outputs with significantly higher efficiency than general-purpose LLMs while maintaining comparable quality assessments.
This service provides computational infrastructure that powers both Fiddler's observability features (by generating quality metrics for LLM outputs) and its real-time protection capabilities (through Fiddler Guardrails). By using purpose-built models rather than general-purpose LLMs, the Fiddler Trust Service delivers evaluations with lower latency, reduced costs, and improved reliability compared to using third-party LLM APIs.
The Fiddler Trust Service operates as a managed service within the Fiddler platform ecosystem, handling the secure processing of customer LLM inputs and outputs to generate trust metrics and enforce guardrail policies.
How Fiddler Uses Trust Service
The Fiddler Trust Service serves as the computational backbone for Fiddler's LLM monitoring and guardrail capabilities. It hosts the specialized Fiddler Trust Models that power two primary functions within the platform:
For observability features, the service processes LLM inputs and outputs to generate specialized metrics that evaluate output quality, safety, and alignment. These metrics are then integrated into Fiddler's monitoring dashboards and alerting systems.
For real-time protection through Fiddler Guardrails, the service evaluates potential LLM outputs against customizable safety policies before they reach end users, filtering out problematic content and providing detailed explanation of policy violations.
By maintaining this service as an internal component, Fiddler ensures consistent, reliable performance with optimized costs compared to solutions that rely on external LLM APIs for similar functionality.
Why Fiddler Trust Service Is Important
The Fiddler Trust Service addresses several critical challenges in LLM monitoring and governance. By providing specialized models optimized for evaluation tasks, it enables more efficient, cost-effective, and reliable monitoring than solutions dependent on general-purpose LLMs.
This service is essential for organizations that need to maintain real-time visibility into their LLM applications while ensuring outputs meet safety and quality standards. It enables faster detection of issues, more comprehensive monitoring coverage, and stronger protections against potentially harmful outputs.
As LLM deployments scale across the enterprise, the Trust Service's efficiency becomes increasingly valuable, reducing both operational costs and computational overhead compared to traditional evaluation approaches.
Performance Optimization: Fiddler Trust Models are specifically optimized for evaluation tasks, delivering similar quality assessments as general-purpose LLMs but with significantly lower latency and computational requirements.
Cost Efficiency: By using purpose-built models rather than larger general-purpose LLMs, the Trust Service reduces the computational resources required for comprehensive LLM monitoring, translating to lower operational costs.
Reliability: As a dedicated service maintained by Fiddler, the Trust Service provides more consistent availability and performance than solutions dependent on third-party API calls, which may have rate limits or service disruptions.
Comprehensive Coverage: The Trust Service supports both post-deployment monitoring (observability) and pre-deployment protection (guardrails), providing a unified approach to LLM governance throughout the application lifecycle.
Specialized Evaluation: Unlike general metrics, the Trust Service provides specialized assessments tailored specifically to LLM outputs, measuring dimensions like hallucination, alignment, toxicity, and quality that are unique to generative AI systems.
Scalability: As organizations deploy more LLM applications, the efficiency of the Trust Service enables monitoring at scale without proportional increases in computational overhead or costs.
Privacy and Security: By processing evaluations within Fiddler's infrastructure rather than sending data to third-party APIs, the Trust Service helps organizations maintain stronger data privacy and security controls.
Challenges
Effective LLM monitoring and protection present several technical and operational challenges that the Fiddler Trust Service is designed to address.
Evaluation Latency: Traditional approaches to LLM evaluation using other LLMs introduce significant latency, which the Trust Service addresses through specialized, efficient models optimized for evaluation tasks.
Computational Cost: Evaluating LLM outputs at scale using general-purpose models can be prohibitively expensive, a challenge mitigated by the Trust Service's more efficient purpose-built models.
Coverage vs. Performance: Organizations often face tradeoffs between comprehensive monitoring coverage and system performance, which the Trust Service helps balance through optimized evaluation approaches.
Evaluation Quality: Simpler metrics may fail to capture nuanced issues in LLM outputs, while the Trust Service provides sophisticated evaluations that maintain high correlation with human judgments.
Real-time Protection: Implementing guardrails without introducing significant latency is challenging, addressed by the Trust Service's efficient models and optimized processing pipeline.
Customization Needs: Different organizations have varying standards for acceptable content, requiring flexible evaluation systems that can be tailored to specific use cases and policies.
Integration Complexity: Adding monitoring to existing LLM deployments can be complex, a challenge the Trust Service addresses through streamlined integration options and APIs.
Frequently Asked Questions
Q: What advantages do Fiddler Trust Models offer over using general-purpose LLMs for evaluation?
Fiddler Trust Models provide similar quality assessments as general-purpose LLMs but with significantly lower latency (typically 10-100x faster), reduced computational requirements, lower costs, and more consistent availability since they don't depend on third-party APIs that may have rate limits or service disruptions.
Q: Can I use the Fiddler Trust Service for both monitoring and real-time protection?
Yes, the Fiddler Trust Service powers both observability features (monitoring metrics) and real-time protection through Fiddler Guardrails. You can implement either or both capabilities depending on your specific needs.
Q: What types of metrics does the Trust Service provide?
The Trust Service generates specialized metrics for LLM outputs including safety evaluations (detecting harmful, unethical, or inappropriate content), faithfulness assessments (measuring hallucination and factual accuracy), and other quality dimensions like coherence, relevance, and alignment with intended use.
Q: How does the Trust Service integrate with my existing LLM applications?
For monitoring, you can publish LLM inputs and outputs to Fiddler's platform either through batch uploads or real-time API calls. For guardrails protection, you integrate the Guardrails API into your application flow, sending potential outputs for evaluation before displaying them to users.
Q: Is the Fiddler Trust Service available as a standalone offering?
The Fiddler Guardrails component of the Trust Service is available as a standalone offering, while the monitoring metrics are integrated into Fiddler's comprehensive observability platform.
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