Is DeepSource or Zephyr Scale better?

Neither clearly leads. DeepSource starts at Free and Zephyr Scale at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, DeepSource or Zephyr Scale?

DeepSource has a free tier; the other does not. Paid plans start at Free for DeepSource and On request for Zephyr Scale.

Does DeepSource or Zephyr Scale run on more platforms?

DeepSource runs on web, api. Zephyr Scale runs on Web.

Can I use DeepSource for free?

Yes. DeepSource has a free tier, so you can try it without paying. Zephyr Scale starts at On request.

What is DeepSource best used for?

DeepSource is most often used for automating pull request code review for engineering teams, auto-fixing detected code issues with ai, enforcing code formatting standards automatically, scanning large monorepos for quality issues. Of those, automating pull request code review for engineering teams and auto-fixing detected code issues with ai are not what Zephyr Scale is typically brought in for.

What can DeepSource do that Zephyr Scale cannot?

DeepSource covers Automated pull request review, AI-powered autofix, Automated code formatting, Monorepo support.

Software Development · head to head

DeepSource vs Zephyr Scale

DeepSource

Software Development

Automated code review and AI-powered code fixes for engineering teams.

From: Free
Rated: -

Full review Website

Zephyr Scale

Testing & QA

Native test management for Jira

From: On request
Rated: -

Full review Website

The short version

Only DeepSource has a free tier, so it costs nothing to try first.
Each has a real cost: DeepSource open Source plan caps at 1,000 reviewed pull requests and 1,000 formatting runs per month.; Zephyr Scale split across separate Essential and Advanced editions plus a distinct Zephyr Enterprise on-premises product, so buyers must pick the right SKU before pricing applies

Where they differ

Only the attributes on which DeepSource and Zephyr Scale actually diverge.

Attributes where DeepSource and Zephyr Scale differ
Attribute	DeepSource	Zephyr Scale
Starting price	Free	On request
Pricing model	freemium	subscription
Free tier	Yes	No
Platforms	web, api	Web
Category	Software Development	Testing & QA

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in DeepSource

Automated pull request review
AI-powered autofix
Automated code formatting
Monorepo support
API and webhooks
Bring-your-own-key AI

Only in Zephyr Scale

Nothing recorded that DeepSource does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

DeepSource

Automating pull request code review for engineering teamsnot Zephyr Scale
Auto-fixing detected code issues with AInot Zephyr Scale
Enforcing code formatting standards automaticallynot Zephyr Scale
Scanning large monorepos for quality issuesnot Zephyr Scale
Running self-hosted AI review in regulated environmentsnot Zephyr Scale

Zephyr Scale

No use cases recorded yet. See the Zephyr Scale review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

DeepSource

Open Source plan caps at 1,000 reviewed pull requests and 1,000 formatting runs per month.
AI Review beyond the included credit is billed per 10K lines of code, which can add unpredictable cost.
Self-hosted deployment and BYOK AI are Enterprise-only features.
Enterprise pricing is not published and requires contacting sales.

Zephyr Scale

Split across separate Essential and Advanced editions plus a distinct Zephyr Enterprise on-premises product, so buyers must pick the right SKU before pricing applies

Pricing, plan by plan

DeepSource

Free

Open SourceFree
- Free for public repositories
- 1,000 pull requests reviewed/month
- 1,000 automated formatting runs/month
Team$24/month
- Unlimited repositories and pull request reviews
- $100 annual AI Review credit per user
- Monorepo support
Enterprise$undefined/month
- Self-hosted deployment
- Bring-your-own-key AI Review
- SSO

Zephyr Scale

On request

No published plan breakdown. See the Zephyr Scale review.

Which should you pick?

Choose DeepSource if

You need automated pull request review.
You want to start without paying.
You work on web, api.
You also want ai-powered autofix.

DeepSource review

Choose Zephyr Scale if

Nothing in the data separates Zephyr Scale from DeepSource on the points above - pick on price and on how each one feels to use.

Zephyr Scale review

Questions people ask

Is DeepSource or Zephyr Scale better?: Neither clearly leads. DeepSource starts at Free and Zephyr Scale at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, DeepSource or Zephyr Scale?: DeepSource has a free tier; the other does not. Paid plans start at Free for DeepSource and On request for Zephyr Scale.
Does DeepSource or Zephyr Scale run on more platforms?: DeepSource runs on web, api. Zephyr Scale runs on Web.
Can I use DeepSource for free?: Yes. DeepSource has a free tier, so you can try it without paying. Zephyr Scale starts at On request.
What is DeepSource best used for?: DeepSource is most often used for automating pull request code review for engineering teams, auto-fixing detected code issues with ai, enforcing code formatting standards automatically, scanning large monorepos for quality issues. Of those, automating pull request code review for engineering teams and auto-fixing detected code issues with ai are not what Zephyr Scale is typically brought in for.
What can DeepSource do that Zephyr Scale cannot?: DeepSource covers Automated pull request review, AI-powered autofix, Automated code formatting, Monorepo support.

Answered from the vendors’ own pages

DeepSource: What does DeepSource cost?

The Open Source plan is free for public repos; Team is $24 per user/month billed yearly with a $100 annual AI Review credit; Enterprise is custom-priced with self-hosted options.

Source

DeepSource: Is there a free plan, and what are its limits?

Yes, the free Open Source plan covers public repositories with 1,000 pull requests reviewed per month and 1,000 automated formatting runs per month.

Source

DeepSource: How is AI Review usage metered?

Team plans include a $100 annual AI Review credit per user, with additional usage billed at Standard ($8/10K LOC) or Advanced ($15/10K LOC) tiers.

Source

DeepSource: Can I change or cancel my plan?

Yes, subscriptions can be downgraded or canceled at any time.

Source

DeepSource vs Zephyr Scale

DeepSource

Zephyr Scale

The short version

Where they differ

What each one covers

Only in DeepSource

Only in Zephyr Scale

What people use each for

DeepSource

Zephyr Scale

Where each one falls short

DeepSource

Zephyr Scale

Pricing, plan by plan

DeepSource

Zephyr Scale

Which should you pick?

Choose DeepSource if

Choose Zephyr Scale if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on DeepSource

More on Zephyr Scale

Keep looking

Other head to heads