kitio.aiSentry vs OpenGame
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sentry starts at See pricing page and OpenGame starts at $9 one-time. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Error monitoring
- Tracing and profiling
- Session replay
- Seer AI debugging agent
- AI code review
- Sentry MCP server
- Game planning with AI
- Playable browser builds
- 3D game support
- Version history
- Project download
- Share and embed links
| Feature | Sentry | OpenGame |
|---|---|---|
| Best for | Error and performance monitoring with an AI debugging agent | AI game agent that plans and builds HTML5 and 3D browser games |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $9 one-time |
| Free plan | Yes | Yes |
| Made by | Functional Software (Sentry) | OpenGame |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Sentry starts at See pricing page and OpenGame starts at $9 one-time. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Developer
Free
- Limited to one user
- Error monitoring and tracing
- 10 custom dashboards
- MCP access
Team
$26/mo billed yearly
- Unlimited users
- Third-party integrations
- 20 custom dashboards
- Seer available as add-on
Business
$80/mo billed yearly
- Unlimited custom dashboards
- Advanced quota management
- SAML and SCIM support
Enterprise
Contact sales
- Technical account manager
- Dedicated support
3 plans
Starter
$9 one-time
- 60 credits
- Up to 6 generations
- Playtest saved versions
Creator
$19 one-time
- 160 credits
- Up to 16 generations
- Publish a share or embed link
Studio
$39 one-time
- 400 credits
- Up to 40 generations
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Sentry
- Free plan for solo developers
- AI debugging works from real error data
- Wide SDK coverage
- Integrates with GitHub and Slack
- Seer needs a separate subscription
- Free plan is limited to one user
- Costs rise with event volume
OpenGame
- Produces a playable game, not just code
- Can download the project
- One-time credit packs available
- Each generation costs 10 credits
- Sharing links need a bigger pack
- Browser games only
Which one should you choose?
Choose Sentry if you want:
- Free plan for solo developers
- AI debugging works from real error data
- Wide SDK coverage
Watch out: seer needs a separate subscription.
Choose OpenGame if you want:
- Produces a playable game, not just code
- Can download the project
- One-time credit packs available
Watch out: each generation costs 10 credits.
Sentry vs OpenGame FAQ
What is the difference between Sentry and OpenGame?
Sentry: Error and performance monitoring with an AI debugging agent. OpenGame: AI game agent that plans and builds HTML5 and 3D browser games. Both are coding tools.
Is Sentry or OpenGame cheaper?
Sentry starts at See pricing page and OpenGame starts at $9 one-time. Check both pricing pages for current plans.
Do Sentry and OpenGame have free plans?
Sentry: Yes. OpenGame: Yes.
Who makes Sentry?
Sentry is made by Functional Software (Sentry), based in United States.
Who makes OpenGame?
OpenGame is made by OpenGame.
Which should I choose, Sentry or OpenGame?
Choose Sentry if you value free plan for solo developers and ai debugging works from real error data. Choose OpenGame if you value produces a playable game, not just code and can download the project.