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CodeRabbit vs delta.dev

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Entry price
CodeRabbit from $24/seat/mo, delta.dev from $10/mo — different billing units, so no direct winner
Free plan
Both have one
Public API
CodeRabbit has one; not confirmed by us for delta.dev
Best fit
CodeRabbit: Teams reviewing high volumes of AI-generated pull requests · delta.dev: Teams already using Zed who review a lot of agent-written code
Platforms
CodeRabbit: Web, VS Code extension · delta.dev: Web, macOS, Windows, Linux

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

CodeRabbitAI reviewer that comments on GitHub and GitLab pull requests, triages them by risk and flags security issuesdelta.devA multiplayer coding workspace from the Zed team where people and AI agents share threads and full change context.

Side by side

FactCodeRabbitdelta.dev
CategoryCode Review & QualityCode Review & Quality
Pricing modelFreemiumFreemium
Starts at$24/seat/mo$10/mo
Public APIYesNot confirmed
Trust score92 / 10095 / 100
PlatformsWeb, VS Code extension, APIWeb, macOS, Windows, Linux
CompanyCodeRabbit, Inc.Zed Industries
Launched20232026
Last verifiedOct 16, 2026Oct 15, 2026

What our research says

CodeRabbit

The most sensible fit is a team merging a steady stream of agent-generated PRs that no human can fully read. The catch is the fair-usage meter: even paid seats are capped at a handful of PR reviews per developer per hour, and the bot's default verbosity takes tuning.

Pros

  • Installs on GitHub/GitLab in minutes and starts commenting immediately
  • Free forever for public open-source repositories
  • Review surface extends to IDE and CLI, not just the PR page
  • Learns team conventions over time and applies them to later reviews

Cons

  • Per-hour review caps apply on every tier, including Enterprise
  • Comment volume can feel noisy until you tune it down
  • API access and self-hosting are locked behind the Enterprise tier

delta.dev

Delta comes from the team behind the Zed editor and targets the real bottleneck of agent-assisted work: reviewing what an agent changed together with the conversation that produced it. It has moved past the waitlist into a downloadable beta for macOS, Linux, Windows and the web, free with your own keys and $10 a month for hosted models. It is still early-access software, so expect the workflow and limits to keep changing.

Pros

  • Built by the team behind the Zed editor, with the same account and plans
  • Keeps the reasoning and every edit of a thread attached to the code, with revert to any step
  • Free Personal plan works with your own API keys or external agents
  • Desktop builds for macOS, Linux and Windows plus a web version

Cons

  • Still beta, downloaded under an Early Access Agreement
  • Pro includes only $5 of hosted-model tokens a month before usage billing starts
  • Zed's edit predictions are not available inside Delta

Which one fits

Choose CodeRabbit if you need

  • Teams reviewing high volumes of AI-generated pull requests
  • Open-source maintainers, since public repos are reviewed free
  • Organizations that want review, PR triage and security scanning from one vendor

Choose delta.dev if you need

  • Teams already using Zed who review a lot of agent-written code
  • Developers who want each change tied to the prompt and reasoning behind it
  • People who already pay for model API keys and want a free agent workspace on top

CodeRabbit vs delta.dev: the questions people ask

Is CodeRabbit cheaper than delta.dev?

They charge in different units, so there is no like-for-like answer: CodeRabbit starts at $24/seat/mo, delta.dev at $10/mo. Entry price is the lowest paid plan as we last verified it.

Does CodeRabbit or delta.dev have a free tier?

Both: CodeRabbit has a free tier, and delta.dev has a free tier.

Which has a public API, CodeRabbit or delta.dev?

CodeRabbit ships a public API, as of our last verification. A public API for delta.dev is not confirmed by us — check its developer docs before you plan an integration.

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