Gumloop vs System One API

Features, pricing, ratings, and pros and cons, side by side.

System One API logo

System One API

Hosted API returning structured choices, scores and probabilities for AI agent decisions

Free trial

Verdict

Gumloop is listed under Productivity and System One API under Developer Tools. Gumloop scores higher in FinderAtlas's editorial review (8.0 vs 7.3 out of 10). Neither has a free plan. Only Gumloop is available on Chrome Extension and CLI.

Best overall

Gumloop

  • Operations Teams
  • Marketing Teams
  • Sales and RevOps Teams
  • IT Administrators

Choose Gumloop if

  • You want a tool built for lead enrichment, CRM updates, meeting prep, SEO research, support triage, competitor monitoring and scheduled reporting across connected apps.
  • Model-agnostic, with 35+ models and bring-your-own-key support.
  • Unlimited agents, seats and teams on the $37 Pro plan.

Choose System One API if

  • You want a tool built for routing and triage of requests.
  • Pay-as-you-go credits with no subscription and no expiry.
  • Failed calls are not charged.
Best for beginners
System One API
Best for business
Gumloop

Features

18 features compared.

  • Agents
    Gumloop
    Available
    System One API
    Not available
  • Triggers
    Gumloop
    Available
    System One API
    Not available
  • Skills
    Gumloop
    Available
    System One API
    Not available
  • Artifacts
    Gumloop
    Available
    System One API
    Not available
  • Connectors and MCP
    Gumloop
    Available
    System One API
    Not available
  • Company Brain
    Gumloop
    Available
    System One API
    Not available
  • Model Choice and BYOK
    Gumloop
    Available
    System One API
    Not available
  • Enterprise Controls
    Gumloop
    Available
    System One API
    Not available
  • Developer Access
    Gumloop
    Available
    System One API
    Not available
  • Chrome Extension
    Gumloop
    Available
    System One API
    Not available
  • Choice
    Gumloop
    Not available
    System One API
    Available
  • Score
    Gumloop
    Not available
    System One API
    Available
  • Noul
    Gumloop
    Not available
    System One API
    Available
  • Multi-question requests
    Gumloop
    Not available
    System One API
    Available
  • Model catalogue
    Gumloop
    Not available
    System One API
    Available
  • TypeScript SDK
    Gumloop
    Not available
    System One API
    Available
  • Idempotency and error handling
    Gumloop
    Not available
    System One API
    Available
  • Credit billing
    Gumloop
    Not available
    System One API
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Gumloop
    Free trial
    System One API
    Free trial
  • Free plan
    Gumloop
    No
    System One API
    No
  • Starting price
    Gumloop
    $37
    System One API
    $5.99
  • Plans
    Gumloop
    2 plans
    System One API
    3 plans

Gumloop plans

  • Pro

    Most popular

    $37/month

    Self-serve plan for teams building agents, with a 14-day free trial

    • Unlimited agents
    • 35+ models
    • 20,000 credits per month
    • unlimited seats and teams
    • Company Brain
    • Gumloop MCP and CLI
    • 5 concurrent workflow runs
  • Enterprise

    Custom/custom

    Governance, security and high-touch support for large organizations

    • Custom credits
    • role-based access control
    • SCIM/SAML
    • audit logs
    • org-wide connector policies
    • optional VPC
    • dedicated Slack support
    • optional embedded expert

System One API plans

  • Starter

    $5.99/one-time

    5,000 prepaid decision credits.

    • 5,000 credits
    • Choice and Score and Noul
    • SDK and playground access
    • Failed inference refunded
  • Builder

    Most popular

    $19.99/one-time

    20,000 prepaid decision credits.

    • 20,000 credits
    • Choice and Score and Noul
    • SDK and playground access
    • Failed inference refunded
  • Scale

    $99.99/one-time

    120,000 prepaid decision credits.

    • 120,000 credits
    • Choice and Score and Noul
    • SDK and playground access
    • Failed inference refunded

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.

Gumloop
8.0overall
System One API
7.3overall
  • Ease of Use

    Gumloop
    8.0
    System One API
    Not rated
  • Feature Depth

    Gumloop
    8.5
    System One API
    Not rated
  • Value for Money

    Gumloop
    7.5
    System One API
    Not rated
  • Performance & Speed

    Gumloop
    7.8
    System One API
    Not rated
  • Documentation & Support

    Gumloop
    8.0
    System One API
    Not rated
  • API Design

    Gumloop
    Not rated
    System One API
    8.0
  • Documentation Clarity

    Gumloop
    Not rated
    System One API
    7.8
  • Pricing Transparency

    Gumloop
    Not rated
    System One API
    8.5
  • Maturity & Reliability

    Gumloop
    Not rated
    System One API
    5.8
  • Use Case Breadth

    Gumloop
    Not rated
    System One API
    6.2

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Gumloop

Pros

  • Model-agnostic, with 35+ models and bring-your-own-key support.
  • Unlimited agents, seats and teams on the $37 Pro plan.
  • Broad connector coverage, including external and custom MCP servers.
  • Developer surfaces include REST API, MCP server, CLI and SDKs.
  • Admin controls such as audit logs, RBAC, spend insights and optional VPC.

Cons

  • No permanent free plan; access starts with a 14-day trial of Pro.
  • Credit-based billing with an 8% orchestration fee (16% with BYOK) makes monthly cost harder to forecast.
  • Unused credits do not roll over, and agents stop at the 20,000 limit unless pay as you go is enabled.
  • Governance features such as RBAC, SCIM/SAML and audit logs are limited to the Enterprise plan.

System One API

Pros

  • Pay-as-you-go credits with no subscription and no expiry
  • Failed calls are not charged
  • Public model catalogue with prices and limits
  • Structured outputs with per-option probabilities
  • Open-source MIT-licensed TypeScript SDK

Cons

  • Early-stage project: the SDK repository has very few GitHub stars and the company is not identified on the site
  • No published latency, uptime or accuracy guarantees
  • Limited to classification, scoring and yes/no style decisions rather than generation
  • Hosted models are the vendor's own and independent benchmarks are not provided

Platforms

  • Web
    Gumloop
    Supported
    System One API
    Supported
  • Windows
    Gumloop
    Not supported
    System One API
    Not supported
  • macOS
    Gumloop
    Not supported
    System One API
    Not supported
  • iOS
    Gumloop
    Not supported
    System One API
    Not supported
  • Android
    Gumloop
    Not supported
    System One API
    Not supported
  • API
    Gumloop
    Supported
    System One API
    Supported
  • Browser Extension
    Gumloop
    Not supported
    System One API
    Not supported
  • Chrome Extension
    Gumloop
    Supported
    System One API
    Not supported
  • CLI
    Gumloop
    Supported
    System One API
    Not supported

Integrations

Gumloop

18 integrations
  • Slack
  • Gmail
  • Salesforce
  • HubSpot
  • Notion
  • Linear
  • GitHub
  • Google Sheets
  • Gong
  • Salesloft
  • Jira
  • Zendesk
  • Stripe
  • Shopify
  • QuickBooks
  • Google Analytics
  • Google Search Console
  • Microsoft Teams

System One API

No integrations listed.

Company

  • Company
    Gumloop
    AgentHub Inc.
    System One API
    Not listed
  • Founded
    Gumloop
    2023
    System One API
    Not listed
  • Headquarters
    Gumloop
    San Francisco, CA
    System One API
    Not listed
  • Listing
    Gumloop
    Claimed
    System One API
    Not claimed

Frequently asked questions

Is Gumloop better than System One API?

It depends on your workflow. Gumloop is built for lead enrichment, CRM updates, meeting prep, SEO research, support triage, competitor monitoring and scheduled reporting across connected apps. System One API is built for routing and triage of requests.

What are the key feature differences between Gumloop and System One API?

Gumloop: Build AI agents that work across your company's apps, with IT in control. System One API: Hosted API returning structured choices, scores and probabilities for AI agent decisions.

Does Gumloop or System One API have a free plan?

Neither has a free plan. Both Gumloop and System One API are paid products.

Which is cheaper, Gumloop or System One API?

Gumloop starts at $37 and System One API starts at $5.99. See the pricing table above for what each tier includes.