Arize AI vs Lakera: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Arize AI and Lakera side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Arize AI
The AI & Agent Engineering Platform for LLM observability, evaluation, and development.
Best for you if:
- • You want provides a comprehensive, unified platform for the entire AI lifecycle from development to production
Lakera
The AI-native security platform to accelerate GenAI development and protect against emerging threats.
Best for you if:
- • You want accelerates GenAI journey by providing robust security
| At a Glance | Arize AI | Lakera |
|---|---|---|
Starts at | Free plan, paid from $50/mo, billed monthly AX Pro plan | Free plan |
Category | AI Observability AI Agents | AI Agents AI Prompt Tools |
Rating | 4.3/5 G2 4.3 48 reviews | n/a |
Free plan | Yes | Yes |
Watch out for | Self-hosting is an Enterprise add-on | n/a |
Choose Arize AI or Lakera?
Choose Arize AI if
- You want provides a comprehensive, unified platform for the entire AI lifecycle from development to production
- You want offers advanced evaluation capabilities like LLM-as-a-Judge and human annotation for robust AI
- You work in AI observability, not AI agents
Choose Lakera if
- You want accelerates GenAI journey by providing robust security
- You want protects against prompt injections, data leakage, and jailbreaks
- You work in AI agents, not AI observability
In-Depth Analysis
Arize AI
The AI & Agent Engineering Platform for LLM observability, evaluation, and development.
Arize AI offers a generous free tier (AX Free) and an open-source option (Phoenix), making it highly accessible for individual developers and small teams.
Watch out
Self-hosting is an Enterprise add-on
Strengths
- Pro: Provides a comprehensive, unified platform for the entire AI lifecycle from development to production.
- Pro: Offers advanced evaluation capabilities like LLM-as-a-Judge and human annotation for robust AI.
- Pro: Built on open standards and open-source components, promoting transparency and flexibility.
- Pro: Includes an AI assistant (Alyx) to aid in debugging and accelerate development.
- Pro: Scalable for enterprise use with features like custom data limits, SOC2, and HIPAA compliance.
Weaknesses
- Con: The complexity of features might have a learning curve for new users.
- Con: Pricing for higher tiers is custom, which may require direct engagement with sales.
- Con: Specific limitations on trace spans and ingestion volume for free and lower-paid tiers.
Key features
Lakera
The AI-native security platform to accelerate GenAI development and protect against emerging threats.
Strengths
- Pro: Accelerates GenAI journey by providing robust security.
- Pro: Protects against prompt injections, data leakage, and jailbreaks.
- Pro: Adapts to evolving GenAI threats without manual updates.
- Pro: Ensures compliance and builds user trust for AI applications.
- Pro: Offers high precision and ultra-low latency for optimal user experience.
Weaknesses
- Con: No specific cons mentioned in the provided content.
Key features
Plans and prices: Arize AI vs Lakera
| Tool | Plans and prices | Source |
|---|---|---|
| Arize AI |
| arize.com/pricing read Nov 2, 2026 |
| Lakera | No plan prices on file | lakera.ai/pricing |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Arize AI pricing and Lakera pricing.
Key Takeaways
Arize AI
- Choose if you want the AI & Agent Engineering Platform for LLM observability, evaluation, and development
Lakera
- Choose if you want the AI-native security platform to accelerate GenAI development and protect against emerging threats
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Arize AI has a published user rating (4.3/5 from 48 reviews); Lakera has none we can show.
- Arize AI starts at $50/mo, billed monthly; Lakera has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Arize AI and Lakera compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Arize AI has a published user rating (4.3/5 from 48 reviews); Lakera has none we can show. Arize AI starts at $50/mo, billed monthly; Lakera has no public paid plan price on file. Both have a free plan.
What are Arize AI and Lakera used for?
Arize AI: The AI & Agent Engineering Platform for LLM observability, evaluation, and development. Lakera: The AI-native security platform to accelerate GenAI development and protect against emerging threats.
What does Arize AI cost vs Lakera?
Arize AI's cheapest paid plan is AX Pro at $50/mo, billed monthly; it also has a free plan. Lakera has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Nov 2, 2026.
What's the main difference between Arize AI and Lakera?
Arize AI's main strength: provides a comprehensive, unified platform for the entire AI lifecycle from development to production. Lakera's main strength: accelerates GenAI journey by providing robust security.