Sentry vs Imandra
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sentry starts at See pricing page and Imandra starts at See pricing page. 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
- CodeLogician for coding agents
- Formal model of codebases
- Property proofs
- Automatic test generation
- Change verification
| Feature | Sentry | Imandra |
|---|---|---|
| Best for | Error and performance monitoring with an AI debugging agent | Formal reasoning tools that let coding agents verify what code does |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Functional Software (Sentry) | Imandra Inc. |
| 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 Imandra starts at See pricing page. 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
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
Imandra
- Gives provable answers, not guesses
- Works alongside existing coding assistants
- Suited to regulated industries
- Steep concept for teams new to formal methods
- Pricing details not on the homepage
- Most useful for logic-heavy code
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 Imandra if you want:
- Gives provable answers, not guesses
- Works alongside existing coding assistants
- Suited to regulated industries
Watch out: steep concept for teams new to formal methods.
Sentry vs Imandra FAQ
What is the difference between Sentry and Imandra?
Sentry: Error and performance monitoring with an AI debugging agent. Imandra: Formal reasoning tools that let coding agents verify what code does. Both are coding tools.
Is Sentry or Imandra cheaper?
Sentry starts at See pricing page and Imandra starts at See pricing page. Check both pricing pages for current plans.
Do Sentry and Imandra have free plans?
Sentry: Yes. Imandra: Yes.
Who makes Sentry?
Sentry is made by Functional Software (Sentry), based in United States.
Who makes Imandra?
Imandra is made by Imandra Inc..
Which should I choose, Sentry or Imandra?
Choose Sentry if you value free plan for solo developers and ai debugging works from real error data. Choose Imandra if you value gives provable answers, not guesses and works alongside existing coding assistants.