Prompt Testing & Evaluations for Modern Dev Teams

Empower every team member—from product managers and domain experts to software developers and AI engineers—to build, evaluate, and ship LLM-powered workflows, agents, and function-calling integrations.

Extract nested JSON keys and values using JSONPath.

Extract data from XML-style tags (e.g., <tag>value</tag>) to target specific response segments for validation.

Exact equality, fuzzy similarity, LLM-as-judge semantic checks, or custom logic.

Apply assertions to entire JSON outputs or individual elements.

Define and manage data-driven test cases via intuitive no-code interface.

Select individual tests or entire suites and run across models and versions.

Visualize results instantly, compare outputs, and update prompts on the fly.

Empower the full team with quick feedback loops and version traceability.

Tailored Tools for Every Role

Whether you're a developer, tester, or product owner, Asserto AI provides tailored tools to help you evaluate prompts effectively.

Build and manage test cases with intuitive UI controls—no code needed.

Validate prompts against real-world business logic and function-calling schemas.

Leverage assertion-driven validations to ensure reliable JSON payloads for system integration.

Decouple prompt logic from application code with CMS-style integrations—update prompts dynamically without redeploying services.

Compare prompt variations across models using pass/fail ratios, similarity scores, and cost metrics.

Analyze historical trends to refine prompts for accuracy, speed, and budget efficiency.