Promptfoo
Promptfoo Docs · Intermediate
Very practical for regression testing prompts, model changes, and LLM outputs.
Topics
Prompt testing, Evals, Red teaming
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Use this when you know the topic you need: Claude Code, MCP, evals, RAG, agents, product, coding, prompting, foundations, or model internals.
4 matches for "regression testing"
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Resources
The Anatomy of Harness Engineering
Coding agent evaluation guide · Google Developers Blog · Intermediate to advanced
You want Google's September 9, 2026 guide to evaluating coding agents with small behavioral checks, outcome-based assertions, and batch runs that catch regressions without treating a single benchmark score as the whole story.
coding agents, evals, behavioral evaluations, regression testing, harness engineering
OpenAI eval design guide
Guide · OpenAI · Intermediate
You need practical guidance for designing representative eval datasets, choosing graders, and turning model testing into an engineering loop instead of ad hoc spot checks, especially while OpenAI's older Evals platform is winding down toward read-only status on October 31, 2026.
openai, evals, quality, datasets, regression testing
OpenAI Working with evals
Guide · OpenAI · Intermediate
You need API-level guidance for testing outputs, comparing models, and catching regressions during upgrades.
openai, evals, quality, regression testing, reliability