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Head to head · 2026

Refraction vs Theneo

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Refraction

Generates unit tests, refactors and documentation from code you paste in

3.9Free

Visit Refraction (opens Refraction in a new tab)

Theneo

API documentation written to be consumed by AI agents as well as developers, with an assistant…

3.7Free

Visit Theneo (opens Theneo in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Refraction does not list a price

  • Free plan

    Tie

    Both have one

  • Higher rating

    Refraction

    3.9 against 3.7

  • Same job?

    Yes

    Both are Coding tools

Side by side

Compared onRefractionTheneo
Our rating3.9Better3.7
Starts atFreeFree
Free planYesYes
CategoryCodingCoding
PlansFreeFree
Key features
  • Unit test generation from pasted code
  • Refactoring suggestions and code explanations
  • Documentation generation for existing functions
  • Browser-based with no editor extension required
  • API documentation generation and hosting
  • Docs structured for AI agent consumption
  • Ask AI bot answering from your documentation
  • Swagger editor and API reference
  • Changelog and developer portal
Pros
  • Targets the work that actually gets skipped under deadline
  • No setup, so it is usable on any codebase immediately
  • Writing for agents forces the explicitness that helps human readers too
  • Ask AI bot absorbs questions your support channel currently handles
  • Free tier with an enterprise path
Cons
  • Generated tests can assert the wrong behaviour if accepted unread
  • Browser paste workflow is clumsier than an in-editor assistant
  • An assistant over incomplete docs gives confidently incomplete answers
  • Generated documentation still needs human review
  • Value depends on your API surface being well specified to begin with
CompanyTheneo, founded 2022

Prices come from each vendor's pricing page, last checked 20260901. Check the vendor before you buy.

FAQ

Questions people ask

Is Refraction better than Theneo?

In our reviews Refraction scores 3.9 and Theneo scores 3.7. The better pick depends on the job. Refraction: Generates unit tests, refactors and documentation from code you paste in. Theneo: API documentation written to be consumed by AI agents as well as developers, with an assistant that answers from your own docs.

Which is cheaper, Refraction or Theneo?

Refraction: free. Theneo: free.

Do Refraction and Theneo have free plans?

Yes, both have a free plan.

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