AgentOps vs Vellum (2026): which should you pick?
As of Nov 12, 2026, Vellum grades higher than AgentOps: 2.6 against 2.2 out of 4.0.
Checked Oct 9, 2026 and Nov 12, 2026 · graded Oct 10, 2026 and Nov 12, 2026 by ToolGPA
Vellum grades higher on the free plan and platforms. They get the same grade on value for money, features and ease of use.
Price, platforms and features side by side. The table says where each price was read and when.
AgentOps
Tracing, debugging and cost tracking for AI agents
Vellum
Personal AI assistant with long-term memory that acts across apps
Which one is for you
Pick AgentOps if
- Fits if you build agents in Python or TypeScript and want runs traced and replayed
- Works for a developer who wants LLM spend tracked across 400+ models
Look elsewhere if
- Tight if you run real traffic: Basic stops at 5,000 events
- Watch out: Pro is pay as you go and the per-event rate sits behind a pricing calculator
- Not for you if you need self-hosting, custom SSO or SOC-2 listings, which are Enterprise with no published price
- Watch out: the /pricing address returns a 404, so prices are on the home page
Pick Vellum if
- Fits if you want one assistant that keeps your preferences across devices and chat apps
- Works for people who want to read the code or host the open-source runtime themselves
Look elsewhere if
- Skip it if you want free to mean free, as every reply, search and image draws on credits at $1 each
- Not for you if you bank what you don't use: included usage doesn't roll over and bought credits expire after 12 months
- Tight if you're on Windows or Linux, since the Windows app is a dev build and there's no Linux desktop client
- Watch out: the iPhone and Android apps are clients for the cloud assistant and can't run it on the phone
- Pricey if you want a custom subdomain, static IP or priority support, which start at Super for $100 a month
How we grade them
| 2.2GPAAgentOpsFair | 2.6GPAVellumGood | |
|---|---|---|
| Value for money | CPro is $40 a month pay as you go, just above the $37 where the dearer quarter of AI agent tools starts. | CMighty is $30 a month, right on the line where the dearest quarter of agent tools here begins, for a Small machine, 10 GiB of storage and a monthly usage allowance whose size the listing never states. Model usage is extra at $1 a credit. Super is $100 and Ultra $200. |
| Free plan and trial | CA free Basic plan with 5,000 events, which a real project will outgrow. | BBase is free forever with no card, and the MIT runtime runs on your own Mac or Linux box for nothing. But free covers the hosting, not the thinking: every reply, search and image draws on credits at $1 each. Self-host with your own model key and one person could live on it. |
| Features | CTracing, replay, cost tracking for 400+ models and an audit trail, but self-hosting, SSO and compliance listings are Enterprise. | CA knowledge base of facts and preferences it recalls later, skills across Google Workspace, Slack, Notion and GitHub, Allow or Deny prompts on risky actions, computer control and a form-filling Chrome extension. But the docs name two gaps: the Windows app is a dev build, and the phone apps can't run it locally. |
| Ease of use | CNo store rating on record. A short SDK setup in Python or TypeScript, so it takes code in your project. | CNo rating on record. The cloud default means nothing to host, but you still connect OAuth integrations, prepay credits and build trust rules before the permission prompts stop interrupting. The docs also call the Windows app a dev build. |
| Platforms and integrations | BWeb dashboard with Python and TypeScript SDKs, 8 framework integrations and a GitHub project. | AWeb, Mac, Windows, iPhone, Android, a Chrome extension and a command line, plus Telegram, Slack, email, voice and phone calls, with integrations for Gmail, Calendar, Slack, Notion, Linear and GitHub. No Linux desktop client, and the phone apps are cloud clients. |
| Best for | tracing and cost tracking for AI agents | one assistant with memory on every device |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: AgentOps and Vellum. How we grade
Price against what you get
AgentOps starts at $40 a month and scores 2.3 out of 4 on features, ease of use and platforms. Vellum starts at $30 a month and scores 2.7.
Vellum scores higher and starts $10 a month lower. Of the other AI agents on the chart, 29 score higher than AgentOps for less, and 8 score higher than Vellum for less.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
Where they differ
- Vellum is self-hostable, according to its own site.
- AgentOps also covers reports and dashboards.
- Vellum also covers chat assistant and workflow automation.
At a glance
| AgentOps | Vellum | |
|---|---|---|
| Pricing | Free plan | Free plan |
| Starts at | $40 per month, pay as you go | $30 per month (Mighty) |
| Free plan | Basic plan: free up to 5,000 events, with the agent-agnostic SDK, LLM cost tracking for 400+ LLMs and replay analytics. | Base plan, free with no card: a Small cloud machine (1 vCPU, 2 GiB RAM) and 6 GiB of storage. Model usage, web search and image generation draw on pay-as-you-go credits. Self-hosting the runtime is also free. |
| Free trial | None listed | None listed |
| Web | ||
| macOS | ||
| Windows | ||
| iOS | ||
| Android | ||
| Browser extension | ||
| Made by | AgentOps | Vellum |
| Price read from | agentops.ai | vellum.ai |
| Checked | Nov 12, 2026 | Oct 9, 2026 |
Worth knowing
AgentOps
- The Basic plan stops at 5,000 events.
- Pro is billed pay as you go; the homepage points to a pricing calculator rather than listing the per-event rate.
- Self-hosting, custom SSO and the compliance listings are on the Enterprise plan, which has no published price.
- The /pricing address on the site returns a 404; the prices are on the homepage.
Vellum
- The Base plan is free to host, but model usage, web search and image generation are paid for in prepaid credits at $1 per credit.
- Included monthly usage does not roll over, and pay-as-you-go credits expire twelve months after purchase.
- The docs describe the Windows app as a dev build tied to Vellum's development environment, and no Linux desktop client is shipped.
- The iOS and Android apps are clients for a cloud assistant; they do not run a local assistant on the phone.
Key features
AgentOps
- Agent tracing
- LLM calls, tool use and multi-agent interactions are recorded as traces and shown visually in a dashboard.
- Time-travel debugging
- Past agent runs can be rewound and replayed to a specific point.
- Cost and token tracking
- Token counts and spend are tracked across agents, with pricing for more than 400 LLMs.
- Framework integrations
- The docs list integrations with CrewAI, AutoGen, LangChain, OpenAI, Anthropic and other frameworks and model providers.
- Audit trail
- Logs, errors and prompt-injection attempts are kept as a data trail from prototype to production.
- Python and TypeScript SDKs
- The Python SDK is set up with an install and an init call, and a TypeScript and JavaScript SDK is also available.
Vellum
- Long-term memory
- The assistant keeps facts, preferences and people in a personal knowledge base and recalls them across conversations. On your own machine the workspace is plain-text files plus a SQLite database.
- Skills for your work tools
- Built-in skills and OAuth integrations cover Google Workspace, Outlook, Slack, Notion, Linear, GitHub, HubSpot, Asana and Todoist. More skills come from a catalog or are written yourself.
- Permission prompts
- Sensitive actions such as file access, shell commands or emailing a new contact show an Allow or Deny prompt with a risk badge until you create a trust rule for them.
- One assistant on every channel
- The same identity, memory and schedules are available from the web, Mac, Windows, iOS and Android apps, a CLI, Telegram, Slack, email, voice and phone calls.
- Computer and browser control
- The desktop app adds voice input and computer control, and a Chrome extension lets the assistant read open tabs, fill in forms and act on the page in front of you.
- Cloud, local or self-hosted
- Run it in Vellum Cloud, locally on a Mac or Windows PC, or self-hosted on a Linux host or your own Google Cloud project, bringing your own model API key.
Plans
AgentOps
Basic$0
Free up to 5,000 events, with LLM cost tracking for 400+ LLMs and replay analytics.
Pro$40
per month, pay as you go
Everything in Basic plus unlimited events and log retention, session and event export, role-based permissions and dedicated Slack and email support.
EnterpriseCustom
Everything in Pro plus SLA, Slack Connect, custom SSO, on-premise and self-hosted deployment, custom data retention and SOC-2, HIPAA and NIST AI RMF.
Vellum
Base$0
Free forever: a Small cloud machine (1 vCPU, 2 GiB RAM), 6 GiB of storage and managed model access paid for with pay-as-you-go credits.
Self-hosted$0
The open-source runtime on your own Mac, Windows PC, Linux host or GCP project, with your own model API key and no platform or machine fees.
Mighty$30
per month
Small machine, 10 GiB of storage and a monthly Mighty Usage allowance. Leaves out the custom subdomain, static IP and priority support.
CustomFrom $50
per month
Pick a machine size, storage tier and optional usage bundle yourself. The minimum is a Medium machine with 10 GiB and no usage bundle.
Super$100
per month
Medium machine (2.5 vCPU, 5 GiB), 30 GiB of storage and Super Usage, plus an assistant email, custom subdomain, static IP and priority support.
Ultra$200
per month
Large machine (4 vCPU, 8 GiB), 60 GiB of storage and Ultra Usage, with the same assistant email, subdomain and support as Super.
Common questions
Which is cheaper, AgentOps or Vellum?
As of Nov 12, 2026, Vellum is cheaper to start with: $30 a month, against $40 a month for AgentOps. AgentOps starts at $40 per month, pay as you go, and Vellum starts at $30 per month (Mighty).
Which has a free plan, AgentOps or Vellum?
As of Nov 12, 2026, both AgentOps and Vellum have a free plan.
Which platforms do AgentOps and Vellum run on?
As of Nov 12, 2026, only Vellum lists macOS, Windows, iOS and Android apps and a browser extension. Both list a web app. A platform missing from a listing is one its maker's pages did not mention.
More comparisons
How this page was made
- The verdict at the top follows a fixed rule. When both tools are in the same category and either is in our top three for it, the verdict follows that ranking: the higher-placed tool is our pick. The top three weigh who each tool suits as well as its grades, so a pick can go against the GPA. Otherwise the page does not pick one and says which grades higher: the higher GPA first; on a tie, the one with a free plan, then the one that starts cheaper in dollars a month, counted the same way for both; if they are still level, what the choice depends on.
- The grades are our own, from each tool’s review or report card. The GPA is their average.
- Prices, plans and platforms come from each tool’s listing. The table above says where each price was read and when.
- The differences and the answers to the questions are worked out from those listings.