Evidently AI

Name: Evidently AI
Brand: Evidently AI
Price: 50 USD

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Evaluate and monitor your AI systems for safety, reliability, and performance.

From $50/mo, billed monthly (free plan available)

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Tracked since 2026

The Bottom Line

Updated Oct 8, 2026

Price: From $50/mo, billed monthly (free plan available). Compare plans

Key facts

Automated evaluation platform for AI systems, especially LLMs.
Built on an open-source framework with 100+ metrics for quality, safety, and accuracy.
Offers continuous testing, synthetic data generation, and adversarial testing to prevent AI failures.

Pros

Built on a popular open-source framework with a large community.
Comprehensive suite of metrics and evaluation capabilities for various AI systems.
Supports both LLM-powered and traditional ML models.
Offers continuous testing and monitoring to catch issues early.
Provides advisory services and training for effective implementation.

Cons

Advanced features like synthetic data and adversarial testing are in higher-tier plans.
Pricing for higher tiers can be significant for smaller teams.
Requires integration into existing AI/ML pipelines.

What is Evidently AI?

Evidently AI provides an AI evaluation and LLM observability platform built on the open-source Evidently framework. It helps teams ensure their AI models, especially LLMs, are safe, reliable, and performant through automated evaluation, synthetic data generation, and continuous testing. The platform addresses common AI failures like hallucinations, edge cases, data leaks, and cascading errors by offering over 100 built-in metrics and the ability to design custom evaluation systems. The platform is designed for AI product teams, ML platform engineers, and AI governance leaders who need to rigorously test and monitor their AI applications. It supports various use cases, including adversarial testing, RAG evaluation, AI agent validation, and predictive system monitoring. Beyond the core platform, Evidently AI also offers advisory services, training, and masterclasses to help organizations implement robust LLM evaluation workflows and manage AI risks effectively.

Available on: Web

Data compiled by Toolradar Pricing checked Oct 8, 2026 · How we evaluate

Source evidentlyai.com

Preview

Key Features

Automated evaluation of output accuracy, safety, and quality
Synthetic data generation for realistic, edge-case, and adversarial inputs
Continuous testing with live dashboards for performance tracking
Adherence to guidelines and format checking
Hallucination and factuality detection
PII detection
Retrieval quality and context relevance assessment
Sentiment, toxicity, tone, and trigger word analysis

Pricing Plans

Free Trial

Pricing checked Oct 8, 2026. Source: evidentlyai.com/pricing, read Oct 8, 2026

Evidently AI plans and prices, checked October 2026
Plan	Price	Details
Developer	Free	All core evaluation features 100+ built-in metrics 10,000 data rows / month +5 more Show less 30-day retention Community support 1GB snapshots 3 Projects 2 Seats
Pro	$50 / month	All in Free Alerting 100,000 data rows / month +5 more Show less 12-month retention 5 seats 10 projects Email support 100 GB snapshots
Expert	from $399/month	All in Pro Synthetic data Adversarial testing +6 more Show less 200,000 data rows / month 10 seats unlimited projects Dedicated support 24 months retention 200 GB snapshots
Enterprise	Custom	All features with custom limits On-prem or private cloud deployment options Premium support and SLA +4 more Show less Custom limits Custom SSOCustom roles Audit logs Private cloud
Startups	Special offer	All core features Free credits towards Pro tier Premium support

Calculate your cost View full pricing

Is Evidently AI worth the price?

Good value

Evidently AI offers a generous free Developer tier, making it highly accessible for individual users and small projects.

The jump to the Pro tier at $50/month is reasonable for increased data rows and features, but the Expert tier at $399/month represents a significant price increase for additional capabilities. This pricing structure is best for developers and small teams starting out, with clear scaling options for growing businesses.

Hidden Costs & Gotchas

Overage fees for data rows not explicitly stated

Full Evidently AI pricing: every plan, hidden costs and alternatives

How Evidently AI's pricing compares

At $50/mo, billed monthly, Evidently AI is the most affordable of its 3 comparable direct competitors.

Evidently AI

$50

Arize AI

$50

Arthur AI

$60

Superwise

$299

Entry paid plan, monthly price, billed monthly. Pricing checked Oct 8, 2026.

Evidently AI by the numbers

Toolradar data: Evidently AI's entry paid plan ($50/mo, billed monthly) ranks #4 of 13 (joint) for price among the AI Observability tools with a verified entry price and no stated unit, where the median is $59/mo. As of Oct 2026.

Evidently AI compared with 47 AI Observability tools on Toolradar, as of Oct 2026
Metric	Evidently AI	Peer median	Position (1 is best)
Entry paid plan	$50/mo, billed monthly	$59/mo	#4 of 13 (joint) tools with no stated price unit, verified price
Free plan	Yes	27 of 47 have one	n/a
Listed as an alternative to	6 tools	3	#10 of 47 (joint)

Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All AI Observability data · How we compute this. Advertising and placement fees are not inputs to any position.

Cite this: Toolradar, “Evidently AI by the numbers”, Oct 2026.

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Best Evidently AI Alternatives

Top alternatives based on features, pricing, and user needs.

Arize AI Freemium

The AI & Agent Engineering Platform for LLM observability, evaluation, and development.

4.3

WhyLabs Free

Open-source tools for responsible AI observability and monitoring.

4.6

Superwise Freemium

Unified AI governance and real-time control for enterprise AI adoption.

4.4

Fiddler AI Freemium

An AI Control Plane for enterprise agents, offering observability, security, and governance.

Arthur AI Freemium

The full lifecycle platform for evaluating and shipping reliable AI agents fast.

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Evidently AI vs Arize AI Head-to-head: features, pricing, who wins Evidently AI vs WhyLabs Head-to-head: features, pricing, who wins Evidently AI vs Superwise Head-to-head: features, pricing, who wins

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Evidently AI FAQ

How does Evidently AI help in evaluating Retrieval Augmented Generation (RAG) systems?

Evidently AI provides specific capabilities for RAG evaluation, allowing teams to assess the safety, reliability, and performance of their RAG-based AI applications. It helps identify issues like hallucinations and data leaks that can affect RAG system quality. The platform offers over 100 built-in metrics to support comprehensive evaluation.

Which teams benefit most from using Evidently AI?

Evidently AI is designed for AI product teams, ML platform engineers, and AI governance leaders. These roles can leverage the platform to rigorously test and monitor their AI applications, ensuring they meet safety, reliability, and performance standards.

How does Evidently AI compare to Arize AI for AI observability?

Evidently AI is built on an open-source framework and offers a comprehensive suite of metrics for evaluating both LLM-powered and traditional ML models. It focuses on automated evaluation, synthetic data generation, and continuous testing to address common AI failures. Arize AI also provides AI observability, but Evidently AI's open-source foundation and specific focus on LLM safety and performance evaluation distinguish its approach.

What kind of limitations should users consider with Evidently AI?

Users should be aware that advanced features, such as synthetic data generation and adversarial testing, are part of higher-tier plans. Additionally, the pricing for these higher tiers may be substantial for smaller teams. The platform also requires integration into existing AI/ML pipelines.

How is Evidently AI priced?

Evidently AI offers a free tier for users to get started with its capabilities. For more extensive usage and access to advanced features, paid plans are available.

Can Evidently AI be used for traditional machine learning models in addition to large language models?

Yes, Evidently AI supports the evaluation and monitoring of both LLM-powered and traditional machine learning models. It provides a comprehensive suite of metrics and evaluation capabilities applicable across various AI systems.

Does Evidently AI offer support beyond its core platform features?

Yes, beyond the core platform, Evidently AI provides advisory services, training, and masterclasses. These offerings are designed to help organizations effectively implement robust LLM evaluation workflows and manage AI risks.

How does Evidently AI pricing compare with other AI Observability tools?

Evidently AI's entry paid plan ($50/mo, billed monthly) ranks #4 of 13 (joint) for price among the AI Observability tools with a verified entry price and no stated unit, where the median is $59/mo. Prices are read on each vendor's own pricing page and compared only with tools priced on the same basis. Source: Toolradar, Oct 2026.

Source: evidentlyai.com

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