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Prompt and model regression testing providers

17 published entries state prompt and model regression testing on their AI testing pages. Between them they name 7 AI product types.

Repeated runs of a golden set after each prompt or model change, with assertions that tolerate non-deterministic output.

golden set: A fixed set of inputs with approved outputs used for regression checks.
AI product type
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Showing 17 of 17. Default order: coverage score, then name. How the score works.

Entries on this page: Prompt and model regression testing providers
RankCompany typeAI products (as stated)ServicesVerified
2AbstractaPure-play QA companyUnited States, Jacksonville
LLM applicationsAI agentsPredictive ML models
102008152026-11-09
2ImpactQAPure-play QA companyUnited States
LLM applicationsAI agentsComputer visionVoice AIRecommender and ranking systems
9152026-11-09
4BetterQAPure-play QA companyRomania, Cluj-Napoca
LLM applicationsAI agentsVoice AI
92018142026-11-09
4QATestLabPure-play QA companyCyprus
LLM applicationsAI agentsPredictive ML models
10142026-11-09
4TestDevLabPure-play QA companyLatvia, Riga
LLM applicationsAI agentsVoice AIComputer visionPredictive ML modelsRecommender and ranking systemsAutonomous and embedded AI
52011142026-11-09
4TestlioCrowdtesting platformUnited States, Austin
LLM applicationsAI agentsPredictive ML modelsRecommender and ranking systems
82012142026-11-09
14QA MadnessPure-play QA companyPoland, Warsaw
LLM applicationsAI agentsRecommender and ranking systems
7112026-11-09
14QAwerkPure-play QA companyUkraine, Kyiv
LLM applicationsAI agents
72015112026-11-09
14Testrig TechnologiesPure-play QA companyUnited States, Dallas
Predictive ML models
82015112026-11-09
18KiwiQAPure-play QA companyAustralia, Bella Vista
LLM applications
72009102026-11-09
18KualitatemPure-play QA companyUnited States, New York
Predictive ML models
72010102026-11-09
18ShaipData and evaluation vendorUnited States, New York
LLM applicationsAI agentsVoice AI
6102026-11-09
23ChetuIT services firm with a QA practiceUnited States, Sunrise
Predictive ML models
6200092026-11-09
23CodoidPure-play QA companyIndia, Chennai
LLM applicationsAI agents
5201292026-11-09
23QASourcePure-play QA companyUnited States, Pleasanton
LLM applicationsAI agents
5200292026-11-09
29ApplauseCrowdtesting platformUnited States
LLM applicationsAI agentsVoice AI
482026-11-09
40AppenData and evaluation vendorAustralia
LLM applications
562026-11-09

Product types covered by vendors stating this service

Count of entries on this page that state each product type.

Product types stated by entries offering Prompt and model regression testing
Product typePrompt and model regression testing
LLM applications14
AI agents12
Voice AI5
Computer vision2
Predictive ML models7
Recommender and ranking systems4
Generative media0
Document AI0
Autonomous and embedded AI1

Scope and standards referenced

Golden sets, non-deterministic assertions, repeated runs, version diffs.

The directory lists which vendors state this service. It does not test whether a vendor applies these standards.

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