20+ Best Alternatives to Arize AI in 2026
The AI & Agent Engineering Platform for development, observability, and evaluation of LLM applications.
Looking for an alternative to Arize AI? Below are 20 AI startups working in the same space — ranked by our Neuron score so the most credible options come first. Each card shows what makes the tool a viable substitute, pricing signals, and funding stage.
- 1View alternative →
Braintrust
$80MThe AI observability platform for building quality AI products at scale.
Why it's similar: Shares categories with Arize AI — AI Developer Tools, AI Evaluation.
💵 Enterprise · Contact sales
- 2View alternative →
Galileo AI
UndisclosedThe AI observability and eval engineering platform where offline evals become production guardrails.
Why it's similar: Shares categories with Arize AI — AI Developer Tools, AI Observability.
💵 Enterprise · Contact sales
- 3View alternative →
Confident AI
$2.2MDeepEval-powered LLM evaluation and observability
Why it's similar: Shares categories with Arize AI — AI Evaluation, AI Observability.
💵 Free
- 4View alternative →
Raindrop
$15MSentry for AI agents — monitoring that catches silent failures in production
Why it's similar: Shares categories with Arize AI — AI Developer Tools, AI Observability.
💵 Free
- 5View alternative →
HoneyHive
$7.4MObservability and evaluation for production AI agents
Why it's similar: Shares categories with Arize AI — AI Evaluation, AI Observability.
💵 Free
- 6View alternative →
Langfuse
$8MOpen source LLM engineering platform for debugging, analyzing, and iterating on LLM applications
Why it's similar: Shares categories with Arize AI — AI Developer Tools, AI Observability.
💵 Free · From $29/mo
- 7View alternative →
Maxim AI
$3MGenAI evaluation, simulation and observability platform for AI agents
Why it's similar: Shares categories with Arize AI — AI Evaluation, AI Observability.
💵 Free
- 8View alternative →
LangWatch
$1.1MPlatform for LLM evaluations, agent testing and observability
Why it's similar: Shares categories with Arize AI — AI Evaluation, AI Observability.
💵 Open source
- 9View alternative →
Comet
UndisclosedThe AI Developer Platform for building, debugging, and deploying reliable AI agents.
Why it's similar: Shares categories with Arize AI — AI Developer Tools, AI Observability.
💵 Free
- 10View alternative →
Credo AI
UndisclosedOne platform to discover, assess, and govern every AI agent, model, and application — continuously and in context.
Why it's similar: Shares categories with Arize AI — AI Observability, AI Governance.
💵 Enterprise · Contact sales
- 11View alternative →
Dataiku
UndisclosedThe platform for AI success, powered by people, orchestration, and governance, built for enterprise scale.
Why it's similar: Shares categories with Arize AI — AI Developer Tools, AI Observability.
💵 Enterprise · Contact sales
- 12View alternative →
Lakera
UndisclosedThe leading AI-native security platform to secure your AI future and accelerate GenAI, agents, and MCPs for enterprise teams.
Why it's similar: Shares categories with Arize AI — AI Developer Tools, AI Governance.
💵 Enterprise · Contact sales
- 13View alternative →
Weights & Biases
$245MThe AI developer platform
Why it's similar: Shares categories with Arize AI — AI Developer Tools, AI Observability.
💵 Enterprise · Contact sales
- 14View alternative →
OpenAI
$193.3BCreator of ChatGPT, GPT-4, and the leading frontier AI lab.
Why it's similar: Shares categories with Arize AI — AI Developer Tools.
💵 Free · From $20/mo
- 15View alternative →
xAI
$56BAI designed to understand the universe
Why it's similar: Shares categories with Arize AI — AI Developer Tools.
💵 Paid
- 16View alternative →
Thinking Machines Lab
$2BFrontier AI research lab building customizable, multimodal models
Why it's similar: Shares categories with Arize AI — AI Developer Tools.
💵 Usage
- 17View alternative →
Upscale AI
$300MPure-play AI networking infrastructure
Why it's similar: Shares categories with Arize AI — AI Developer Tools.
💵 Enterprise · Contact sales
- 18View alternative →
Resolve AI
$190MAI SRE for complex production environments
Why it's similar: Shares categories with Arize AI — AI Developer Tools.
💵 Enterprise · Contact sales
- 19View alternative →
Cursor
$7.6BThe AI code editor built for productive engineers.
Why it's similar: Shares categories with Arize AI — AI Developer Tools.
💵 Free · From $20/mo
- 20View alternative →
VAST Data
$2.4BUnifying software layer for AI infrastructure
Why it's similar: Shares categories with Arize AI — AI Developer Tools.
💵 Enterprise · Contact sales
Frequently asked questions
What are the best alternatives to Arize AI?
The top-ranked alternatives to Arize AI on NeuronFeed are Braintrust, Galileo AI, Confident AI, Raindrop, HoneyHive. Rankings are based on our Neuron score, which weighs funding, momentum and editorial signal.
Is there a free alternative to Arize AI?
Yes — Confident AI, Raindrop, HoneyHive offer a free plans. See the pricing column for each alternative above.
How is this list ranked?
We rank alternatives by shared categories with Arize AI, then by our proprietary Neuron score (0–100) which combines funding, team quality, momentum, and editorial input. The list refreshes every 30 days.
Arize AI vs Braintrust — which is better?
It depends on use case. Braintrust (The AI observability platform for building quality AI products at scale.) is the #1-ranked alternative. See the full side-by-side at /compare/arize-ai-vs-braintrust.
Explore more around Arize AI
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