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Head to head · 2026

AgentOps vs Arize

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

AgentOps

AgentOps gives developers observability into AI agents in production, tracing every action, tool call, and cost…

4.2$40/mo

Visit AgentOps (opens AgentOps in a new tab)

Arize

Grew from traditional ML monitoring into a $1B+ AI engineering platform for evaluating agents in production

4.2Not listed

Visit Arize (opens Arize in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Arize does not list a price

  • Free plan

    AgentOps

    Only AgentOps has one

  • Higher rating

    Tie

    4.2 against 4.2

  • Same job?

    Yes

    Both are AI Infrastructure & Agent Tooling tools

Side by side

Compared onAgentOpsArize
Our rating4.24.2
Starts at$40/moNot listed
Free planYesBetterNo
CategoryAI Infrastructure & Agent ToolingAI Infrastructure & Agent Tooling
PlansFrom $40/moSee pricing
Key features
  • Visual event timeline for every agent run
  • Time-travel debugging to replay sessions step by step
  • Cost tracking across 400+ LLMs and frameworks
  • Failure and error detection with alerts
  • Session and event export for audits
  • Started in traditional ML drift and performance monitoring before expanding to LLMs
  • Open-source Arize Phoenix framework for generative AI observability
  • LLM evaluation and prompt versioning through a Prompt Hub
  • Tracing built for multi-step, conversational agent applications
  • $131M raised, valued at over $1 billion as of its February 2025 Series C
Pros
  • Open-source SDK under MIT license keeps core tracing free to self-host
  • Broad framework support spans OpenAI, CrewAI, AutoGen, and LangChain
  • Time-travel replay speeds up root-cause debugging on multi-step agents
  • Covers both traditional ML monitoring and generative AI evaluation in one platform
  • Open-source Phoenix framework gives a free, inspectable starting point before adopting the full platform
  • Billion-dollar valuation and $131M raised signal real staying power
Cons
  • Pro tier billing is usage-based, so costs climb fast for high-volume agents
  • Dashboard targets engineers, with a learning curve for non-technical users
  • Enterprise features like self-hosting sit behind custom-priced contracts
  • Enterprise pricing isn't published, so budgeting requires a sales conversation
  • Broad scope spanning classic ML and generative AI can mean more setup than a single-purpose LLM tool
  • Competes directly against well-funded peers like Braintrust and LangSmith in a crowded observability market
CompanyAgentOps, founded 2023Arize AI, founded 2020

Prices come from each vendor's pricing page, last checked 20260807. Check the vendor before you buy.

FAQ

Questions people ask

Is AgentOps better than Arize?

In our reviews AgentOps scores 4.2 and Arize scores 4.2. The better pick depends on the job. AgentOps: AgentOps gives developers observability into AI agents in production, tracing every action, tool call, and cost across 400-plus LLMs and frameworks. Arize: Grew from traditional ML monitoring into a $1B+ AI engineering platform for evaluating agents in production.

Which is cheaper, AgentOps or Arize?

AgentOps: from $40/mo. Arize: see pricing.

Do AgentOps and Arize have free plans?

Only AgentOps has a free plan.

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