Developer Tools · head to head
Atlantis vs Zeta
Atlantis
Developer Tools
Runs Terraform plan and apply from pull request comments, self-hosted and free
- From
- Free
- Free plan
- Yes
Zeta
Technology
Cloud native credit card processing and core banking from Bhavin Turakhia's Zeta
- From
- On request
- Free plan
- No
The short version
- Only Atlantis has a free tier, so it costs nothing to try first.
- Each has a real cost: Atlantis there is no company, no service level agreement and no paid support at any price, and the six maintainers are volunteers with day jobs, which some risk committees will not accept for a component holding production cloud credentials.; Zeta it competes against card processors with decades of production track record, and in card processing an outage is a public event, so a shorter operational history is a genuine risk factor rather than a technicality.
- They diverge on capability: Atlantis covers Pull request plans, Zeta covers Tachyon card processing.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Atlantis and Zeta actually diverge.
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 Atlantis
- Pull request plans
- Comment driven apply
- Workspace locking
- Policy checking
- Multi-platform webhooks
- Custom workflows
Only in Zeta
- Tachyon card processing
- Real time authorisation
- Rewards and offers engine
- Core banking modules
- Programme configuration
- Mobile and web SDKs
- Fraud and controls
- Cloud deployment
What people use each for
The jobs each tool is most often brought in to do.
Atlantis
- Making Terraform review meaningful by putting the actual plan output in front of the approvernot Zeta
- Removing local applies and the credential sprawl that comes with every engineer holding production keysnot Zeta
- Getting pull request driven infrastructure without paying a per-user subscription for a hosted platformnot Zeta
- Enforcing Conftest policies as a blocking check before an apply can runnot Zeta
Zeta
- A United States bank whose card platform makes launching a new rewards product a multi quarter vendor projectnot Atlantis
- An issuer that wants authorisation level controls and real time data rather than end of day filesnot Atlantis
- A large fintech launching a credit card programme at scale with custom product logicnot Atlantis
- A bank consolidating card and deposit processing onto one modern platformnot Atlantis
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Atlantis
- There is no company, no service level agreement and no paid support at any price, and the six maintainers are volunteers with day jobs, which some risk committees will not accept for a component holding production cloud credentials.
- The security surface is inherently sharp, because it is an internet-reachable webhook endpoint that executes applies with privileged credentials, gated by pull request comment authorisation that is coarse next to a real policy engine.
- It is stateful, holding a working directory and lock database on local disk, so high availability and horizontal scaling are awkward and you own upgrades, webhook plumbing, secret rotation and the host itself.
- It lacks the features that distinguish the commercial alternatives, with no native drift detection, no cost estimation, no managed state interface and no policy engine beyond the Conftest integration.
- Terragrunt and monorepo layouts are not first-class, requiring hand-written custom workflows and repository configuration that becomes a growing maintenance burden as the number of repositories increases.
Zeta
- It competes against card processors with decades of production track record, and in card processing an outage is a public event, so a shorter operational history is a genuine risk factor rather than a technicality.
- Contracts are enterprise scale and quoted with volume minimums, which puts it out of reach of small issuers who would otherwise benefit most from modern tooling.
- A card portfolio migration runs twelve to twenty four months at minimum, during which the issuer runs two platforms and pays for both.
- Zeta is a processor rather than a licence holder, so network membership, BIN sponsorship and regulatory obligations remain entirely with the issuer.
- Public references for large live United States production volumes are fewer than the announcements imply, so diligence should insist on active account counts and uptime history rather than partnership press releases.
Pricing, plan by plan
Atlantis
Free- AtlantisFree
- Apache-2.0, no usage limits and no seat count
- No commercial edition and no paid support tier
- Community support through GitHub and the CNCF Slack channel
Zeta
On request- Tachyon platform$undefined/year
- Quoted per institution, commonly on active accounts or transaction volume
- Implementation for a card portfolio migration measured in quarters to years
- Minimum volume commitments typical on enterprise contracts
Which should you pick?
Choose Atlantis if
- You need pull request plans.
- You want to start without paying.
- You work on Linux, Docker, Kubernetes, Self-hosted.
- You also want comment driven apply.
Choose Zeta if
- You need tachyon card processing.
- You work on Web, API, Cloud, iOS, Android.
- You also want real time authorisation.
Questions people ask
- Is Atlantis or Zeta better?
- Neither clearly leads. Atlantis starts at Free and Zeta at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Atlantis or Zeta?
- Atlantis has a free tier; the other does not. Paid plans start at Free for Atlantis and On request for Zeta.
- Does Atlantis or Zeta run on more platforms?
- Atlantis runs on Linux, Docker, Kubernetes, Self-hosted. Zeta runs on Web, API, Cloud, iOS, Android.
- Can I use Atlantis for free?
- Yes. Atlantis has a free tier, so you can try it without paying. Zeta starts at On request.
- What is Atlantis best used for?
- Atlantis is most often used for making terraform review meaningful by putting the actual plan output in front of the approver, removing local applies and the credential sprawl that comes with every engineer holding production keys, getting pull request driven infrastructure without paying a per-user subscription for a hosted platform, enforcing conftest policies as a blocking check before an apply can run. Of those, making terraform review meaningful by putting the actual plan output in front of the approver and removing local applies and the credential sprawl that comes with every engineer holding production keys are not what Zeta is typically brought in for.
- What can Atlantis do that Zeta cannot?
- Atlantis covers Pull request plans, Comment driven apply, Workspace locking, Policy checking. Zeta covers Tachyon card processing, Real time authorisation, Rewards and offers engine, Core banking modules.
Answered from the vendors’ own pages
Atlantis: Is there a company behind Atlantis?
No. It runs as a series of LF Projects under the Linux Foundation and is maintained by volunteers. There is no vendor to buy support from and no service level agreement.
Zeta: Which Zeta is this?
The banking technology company founded by Bhavin Turakhia, which builds the Tachyon card processing and core banking platform. Not any similarly named payroll or accounting product.
Atlantis: Is it a CNCF project?
No. It uses a channel in the CNCF Slack, which is often misread as membership, but the project sits under LF Projects rather than the CNCF.
Zeta: What is its strongest use case?
United States credit card issuing and processing, where legacy platforms make product changes slow and expensive.
Atlantis: Does it work with OpenTofu?
Yes, there is a dedicated integration guide alongside Terraform, and it also has configuration for working with hosted Terraform backends.
Zeta: Does Zeta provide the BIN or licence?
No. It processes. Network membership, BIN sponsorship and regulatory obligations stay with the issuer.
Atlantis: What does it not do that a paid platform does?
Drift detection, cost estimation, a managed state and run interface, and a real policy engine. Atlantis does pull request plan and apply well and stops there.
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