GoMarble vs Skai: AI Agents With Approval Gates or Enterprise Omnichannel Media and AI
GoMarble fits in-house and agency performance teams that want AI agents to analyze many ad and data sources and prepare changes for approval. Skai fits large advertisers that run search, social and retail media across many channels on yearly budgets.
Choose GoMarble if you want AI agents that read Meta, Google, TikTok and analytics data together and need a person to approve every write. Choose Skai if you run large budgets across search, social and retail media and want one platform with an AI assistant and a dedicated success team. If you also need campaigns built from a chat, Madgicx does that, from $45 a month.
See how we reached this recommendation| GoMarble | Skai | |
|---|---|---|
| How you pay | Monthly plans sized by ad spend: Copilot $139, Operator $399 and Scale $799 a month, with Enterprise by quote. Annual billing saves about 15%. | Yearly plans: Standard $114k, Advanced $276k, Enterprise $504k, Enterprise Premier $756k. Over $35M of media a year is custom. |
| Free plan or trial |
A 7-day trial on each paid plan. Its FAQ also describes a free option with 100 one-time AI credits and no card, but that option is not in the plan table.
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We saw no free plan or trial on its pricing page. It mentions reviewing your commitment after the first three months.
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| Rules and automation |
Agents run continuously and can flag changes such as creative fatigue in Slack. We saw no rule builder described on its pages.
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Its Standard plan lists automation and optimization. Its pages do not describe rule-based automation in detail.
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| AI actions and agents |
A team of specialist agents scans campaigns, creatives, audiences and search terms, and prepares account changes for approval. It can also be used from Claude and ChatGPT through a connector.
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Celeste AI gives recommendations while you plan, activate, optimize and measure media. Skai Studio builds your own agents and Agent Connect links outside agents through MCP.
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| Building and launching campaigns |
Its pages list building and launching campaigns as agent plays on the Operator plan and above. Nothing goes live until you approve it.
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Its pages say you activate media on its platform. We saw no description of how campaigns are built or launched.
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| Reporting and analysis |
Tracks spend, ROAS, CPA, revenue and creative performance, and produces reports for your team or clients, with scheduled reports on every paid plan.
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Its pages mention measurement and analytics, and its higher plans add competitive insights, search term analysis and customer journey intelligence.
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| Ad platforms covered |
Meta, Google, TikTok and Microsoft Ads, plus GA4, Shopify and Klaviyo, with 80+ more connectors listed.
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It says it covers 300+ channels and more than 200 retail media networks, naming Amazon, Walmart, TikTok and Google. We did not see Meta named on its platform page.
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| G2 rating | 4.8 from 6 reviews | 4.1 from 296 reviews |
Where they differ
How the price grows
GoMarble: The plan follows your monthly ad spend, from up to $50K to above $1.5M. Extra AI credits, ad accounts and seats are sold as add-ons. Skai: The yearly price steps up with the media you manage, from up to $4M to over $35M a year, with more features at each step.
Who each is built for
GoMarble: In-house performance teams and agencies that manage several ad accounts and data sources and want agents to do the analysis. Skai: Skai is built for large advertisers and agencies managing paid search, paid social and retail media. Its pricing page sends smaller budgets to reseller partners.
How each one works
GoMarble: Agents monitor your accounts, explain performance changes and prepare actions. Its pages say nothing changes until you say yes. Skai: One platform plans, activates, optimizes and measures media across channels, with Celeste AI recommending actions. Teams can also build their own agent workflows in Skai Studio.
What reviewers say
GoMarble: G2 lists 4.8 from 6 reviews, too few to show a pattern. Skai: G2 lists 4.1 from 296 reviews.
Price
| Example | GoMarble | Skai |
|---|---|---|
| Entry level | Copilot, $139 a month: ad spend up to $50K, 5 ad accounts, read-only agents. | Standard, $114,000 a year, up to $4M of media a year |
| Mid level | Operator, $399 a month: ad spend up to $500K, 15 ad accounts, agents that write changes after your approval. | Advanced, $276,000 a year, up to $10M a year; Enterprise, $504,000, up to $20M |
| Larger or custom | Scale, $799 a month, up to $1.5M of ad spend; Enterprise above that, custom through sales. | Enterprise Premier, $756,000 a year, up to $35M; above that, custom through sales |
Our verdict
Choose GoMarble if
- You can bring its agents into Claude or ChatGPT through a connector.
- You get a published monthly price for each spend band.
- You get agents that read Meta, Google, TikTok, GA4 and more together in one place.
Choose Skai if
- You get Celeste AI recommendations and agent workflows you can build yourself.
- You get dedicated client success support in every plan.
- You get a published yearly price for each spend band.
Neither fits when
You need rules and AI actions that work on your Meta ads, with every change approved by you. Skai's pages describe no way to create campaigns from a chat. Madgicx creates campaigns, ad sets and ads from a chat, paused until you approve. Madgicx's MCP connector lets an AI assistant work with your Meta ad account. Madgicx has ready-made and AI audiences. Seats and ad generations are unlimited in every plan, from $45 a month.
How we compare: methodology
- How each tool automates: rules, AI actions or both.
- Which ad platforms each covers and how campaigns get built.
- What the price buys and how it grows.
- What recent G2 reviewers praise and complain about.
Published by Madgicx, which competes with both tools. We use each vendor's pricing and product pages (gomarble.ai and skai.io) and the most recent G2 reviews we could read, with dates listed below. This is our editorial view of fit, not independent test results. Confirm any capability not listed here with the vendor. Its pricing page FAQ mentions plans and prices that do not match its plan table, so we show the table.
Frequently asked questions
How much do GoMarble and Skai cost?
GoMarble is from $139 a month. Skai is from $114,000 a year. GoMarble entry level: Copilot, $139 a month: ad spend up to $50K, 5 ad accounts, read-only agents. Skai entry level: Standard, $114,000 a year, up to $4M of media a year
Does GoMarble have a free trial?
A 7-day trial on each paid plan. Its FAQ also describes a free option with 100 one-time AI credits and no card, but that option is not in the plan table.
Does Skai have a free trial?
We saw no free plan or trial on its pricing page. It mentions reviewing your commitment after the first three months.
Can GoMarble change my ad campaigns?
Its Copilot plan is read-only. Operator and above can write changes, with human approval before each write action.
Is Skai for small advertisers?
Its pricing page sends advertisers with smaller budgets to reseller partners, and its lowest plan is $114,000 a year.
Sources
- GoMarble on G2, reviewed 5 November 2026
- GoMarble pricing, reviewed 5 November 2026
- GoMarble home page, reviewed 5 November 2026
- Skai on G2, reviewed 5 November 2026
- Skai pricing, reviewed 5 November 2026
- Skai platform, reviewed 5 November 2026
- Madgicx pricing, reviewed 5 November 2026
