Happy Valley

Overmind vs Testifly

Overmind and Testifly are both uptime & monitoring tools aimed at developers and small businesses. Testifly costs less, from $29/mo versus $120/mo for Overmind. Only Overmind has a free plan.

Overmind

Open-source loop that turns AI agent traces into models you own

Testifly

Autonomous AI QA that builds and heals web app tests from a URL

PricingOpen source · $120Paid · $29
Starting price$120/mo$29/mo
Free planYesNo
Free trial—30 days
Built forDevelopers, Small businesses, EnterpriseDevelopers, Small businesses, Agencies
Platformsweb, linuxweb
CountryGBIL
Rating——

Choose Overmind if

Engineering teams with agents in production that want to improve accuracy and cost and keep ownership of the models.

  • Open source and self-hostable, with weights you keep
  • Covers the full loop from tracing to serving in one product
  • Fixes arrive as reviewable git diffs instead of opaque changes

Look elsewhere if: Teams that only need LLM tracing inside a broader monitoring stack (Datadog) or have no production traffic yet.

Choose Testifly if

Small software teams without a dedicated QA engineer who want end-to-end web coverage without writing or maintaining test scripts.

  • No test scripts or selectors to write or maintain
  • Unlimited users on every plan, so the whole team can see results
  • Runs in the cloud, or on-prem behind a firewall from Growth up

Look elsewhere if: Teams that test native mobile apps or want full code-level control over their test suite (Playwright, Checkly).

Overmind vs Testifly pricing

Overmind

  • Free$0/mo10 optimize runs, 2 training jobs/mo, 5 projects, $50 one-time credit
  • Pro$120/moUnlimited optimize runs, training, deploys and projects
  • EnterpriseCustomSSO, dedicated support, custom onboarding, usage contracts
  • Self-hosted$0AGPL-3.0 platform via Docker Compose; SDK and CLI under MIT

Testifly

  • Starter$29/mo50 tests, 5,000 runs/mo, unlimited users; 20% off yearly
  • Growth$89/mo225 tests, 50,000 runs, blast radius, integrations, on-prem
  • Business$249/mo750 tests, 200,000 runs, 2 projects, unlimited environments
  • EnterpriseCustomCustom limits, dedicated support, custom contract terms

Overmind · Key features

  • OpenTelemetry tracing with scores applied to traces as they arrive
  • Root-cause views that isolate the failing step, tool call or context
  • Data Workshop with versioned datasets built from production traffic
  • User-defined evals running on live traces
  • Optimizers that return prompt, tool or code fixes as git diffs
  • Fine-tuning of small open models with downloadable weights

Cons

  • Large jump from Free to the $120 Pro plan
  • No annual pricing on the hosted service
  • AGPL-3.0 limits closed redistribution of the platform

Testifly · Key features

  • Autonomous flow discovery that maps pages and features from a URL
  • Zero-authoring end-to-end test generation from the discovered flows
  • Login handling for password, social, magic link or custom flows
  • Self-healing selectors and test updates when feature behavior changes
  • Root-cause analysis with session video replay for failed tests
  • CI/CD gate, staging and production runs, and scheduled monitoring

Cons

  • Web applications only, with no native mobile app testing
  • Jira, Linear, Notion, Slack sync and blast radius need Growth or higher
  • Starter and Growth cover a single project

Overmind vs Testifly: FAQ

Which is cheaper, Overmind or Testifly?

Testifly starts at $29/mo and Overmind at $120/mo. Both prices are checked on the vendors' own pricing pages.

Do Overmind and Testifly have a free plan?

Overmind has a free plan. Testifly has no free plan, a 30-day free trial.

Not sure yet?