Top 8 Fiddler AI Competitors & Alternatives in 2026
Updated onFind more companies/brands/products like Fiddler AI. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.
Fiddler AI
Fiddler AI is an enterprise AI observability and security platform that helps organizations monitor, explain, and govern machine learning models, large language models, and autonomous AI agents.
Starts at $0 / month
Competitors
#1 Est. 2019 • 51-200 employees • PrivateArize AI
Best for enterprisesArize AI is a privately held AI and agent engineering platform that provides observability, evaluation, and monitoring tools to help enterprises develop, deploy, and improve machine-learning and LLM-based applications in production.
Starts at $0 / month
#2 Est. 2019 • 51-200 employees • PrivateTruEra
Best for enterprisesTruEra is an AI observability and quality management platform that helps organizations test, explain, evaluate, and monitor machine learning and large language model applications across their lifecycle.
#3 Est. 2018 • 51-200 employees • PrivateArthur AI
Best for enterprisesArthur AI is an AI performance, observability, and governance platform that helps enterprises evaluate, monitor, and secure machine learning, generative AI, and agentic systems across their lifecycle.
Starts at $0 / month
#4 Est. 2019 • 51-200 employees • PrivateAporia
Best for enterprisesAporia, now part of Coralogix, is an AI control and observability platform that provides guardrails and monitoring to secure and ensure the reliability of machine learning and generative AI applications.
Starts at $0 / month
Has a free trial
- Est. 2025 • 1 employee • Private
ChampSignal
Best for SMBsGet the insights your competitors don't want you to have. ChampSignal discovers, monitors, and analyzes your competitors. So you always know what your competitors are up to.
Starts at $39 / month
Has a free trial
#5 Est. 2020 • 2-10 employees • PrivateEvidently AI
Best for enterprisesEvidently AI is an open-source-based AI evaluation and observability platform that helps data teams evaluate, test, and monitor machine learning and LLM-powered systems in production.
Starts at $0 / account / month
#6
Est. 2018 • 11-50 employees • PrivateMona
Best for enterprisesMona is a B2B AI and machine learning monitoring and observability platform that helps organizations track production models, detect anomalies and data drift, and generate performance and governance insights.
#7 Est. 2014 • 11-50 employees • PrivateSeldon
Best for enterprisesSeldon is a British MLOps and LLMOps platform company that helps enterprises deploy, monitor, and manage machine learning and generative AI models in production.
Starts at $0
#8 Est. 2020 • 11-50 employees • PrivateNannyML
Best for mid-market companiesNannyML is an AI model monitoring company providing an open-source Python library and NannyML Cloud, a SaaS platform that lets data science teams monitor post-deployment machine learning performance, detect drift, and estimate model performance without ground-truth labels.
Starts at $399 / month
Has a free trial
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