Softwr

Developer Tools · head to head

Atlantis vs Coder

Atlantis logo

Atlantis

Developer Tools

Runs Terraform plan and apply from pull request comments, self-hosted and free

From
Free
Rated
-
Full reviewWebsite
Coder logo

Coder

Developer Tools

Self-hosted platform for provisioning governed cloud development environments

From
Free
Rated
-
Full reviewWebsite

The short version

  • 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.; Coder premium plan pricing is not published and requires contacting sales.
  • They diverge on capability: Atlantis covers Pull request plans, Coder covers Self-hosted workspaces.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Atlantis and Coder actually diverge.

Attributes where Atlantis and Coder differ
AttributeAtlantisCoder
Pricing modelOpen source, no licence feefreemium
PlatformsLinux, Docker, Kubernetes, Self-hostedweb, linux, mac, windows, api

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Developer Tools).

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 Coder

  • Self-hosted workspaces
  • Multi-IDE support
  • AI coding agent support
  • OpenID Connect SSO
  • Audit logging
  • Resource quotas

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 Coder
  • Removing local applies and the credential sprawl that comes with every engineer holding production keysnot Coder
  • Getting pull request driven infrastructure without paying a per-user subscription for a hosted platformnot Coder
  • Enforcing Conftest policies as a blocking check before an apply can runnot Coder

Coder

  • Running self-hosted development environments behind a corporate firewallnot Atlantis
  • Standardizing developer workspaces across a large engineering orgnot Atlantis
  • Giving approved AI coding agents governed, isolated workspacesnot Atlantis
  • Enforcing SSO and audit trails on developer environment accessnot 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.

Coder

  • Premium plan pricing is not published and requires contacting sales.
  • Requires self-hosting and managing the underlying infrastructure, unlike fully managed cloud IDEs.
  • High availability, audit logging, and RBAC are gated behind the paid Premium tier, so the free Community edition lacks enterprise controls.

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

Coder

Free
  • CommunityFree
    • Unlimited workspaces and templates
    • Unlimited organization members
    • Multiple IDE support
  • Premium$undefined/month
    • Ticket-based support with SLA
    • Multi-organization access controls
    • Resource quotas and audit logging

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.
Atlantis review

Choose Coder if

  • You need self-hosted workspaces.
  • You want to start without paying.
  • You work on web, linux, mac, windows, api.
  • You also want multi-ide support.
Coder review

Questions people ask

Is Atlantis or Coder better?
Neither clearly leads. Atlantis starts at Free and Coder at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Atlantis or Coder?
Atlantis starts at Free and Coder at Free.
Does Atlantis or Coder run on more platforms?
Atlantis runs on Linux, Docker, Kubernetes, Self-hosted. Coder runs on web, linux, mac, windows, api.
Can I use Atlantis for free?
Both have a free tier, so you can try either at no cost before committing.
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 Coder is typically brought in for.
What can Atlantis do that Coder cannot?
Atlantis covers Pull request plans, Comment driven apply, Workspace locking, Policy checking. Coder covers Self-hosted workspaces, Multi-IDE support, AI coding agent support, OpenID Connect SSO.

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.

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

Yes, the Community edition is free and includes unlimited workspaces, templates, and organization members with OpenID Connect SSO, aimed at hobbyists and small teams.

Source
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.

Coder: What does Premium add over Community?

Premium adds ticket-based SLA support, multi-organization access controls, resource quotas, audit logging, AI governance, workspace proxies, high availability, and custom branding.

Source
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.

Coder: How is Coder priced?

Community is free; Premium is priced per user annually, with the exact rate available by contacting Coder.

Source
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.

Share

Related pages

More on Atlantis

More on Coder

Keep looking

Other head to heads