OpenAI's cloud-based async coding agent (bundled with ChatGPT)

Moonshift vs. Codex

Codex is OpenAI's cloud agent that works asynchronously inside ChatGPT. Moonshift turns one prompt into a deployed Next.js app, repo, database, and launch kit.

Feature-by-feature

What you actually get from each

Each row names a real thing operators ask about. No category-coded badges, no `we win everything` rows. If Codex is better at something we say so.

Capability
Codex
Moonshift
Generates full app from one prompt
If you want a product not files on disk, this matters.
Scaffolds via task
Deploys the app
Code without a live URL is not a launched product.
Your Vercel
Pushes to your GitHub
Long-term home should be your account.
Codex Cloud opens PRs
Provisions database
Real apps persist data.
Turso
Auth scaffold wired in
Sign in, sessions, password reset are table stakes.
Better Auth
Launch kit drafted
Posts, images, hero copy take longer than the build.
Async parallel agent runs
Some work parallelises across many small tasks.
Codex Cloud
Fixed pipeline
Per-run / per-month cost cap
Token-based pricing can compound fast.
Token meter on Plus/Pro
Per-run moon cap
Frontier model access
Some workflows need the strongest model on every call.
GPT-5.3-Codex-Spark on Pro
Routed per phase
Side-by-side

Where the two diverge

01

Async agent vs deployed pipeline

Codex is the OpenAI cloud agent embedded in ChatGPT. You hand it a task (refactor this file, add this feature to this repo) and it works asynchronously, returning a PR or a diff. Moonshift is a deterministic 14-stage pipeline that runs server-side and ships a deployed app + launch kit. Codex stops at the PR; Moonshift stops at the launched URL.

Moonshift: Moonshift ships further from prompt to live URL
02

Pricing after April 2026

On April 2, 2026, OpenAI moved Codex to API-token-based pricing across Plus, Pro, Business, and Enterprise. There is no standalone Codex subscription; it is bundled. Plus ($20) gives the baseline, Pro ($200) gives 5x the Codex usage and access to GPT-5.3-Codex-Spark, and the new $100 tier (launched April 2026) sits between them at 5x Plus usage. Real-world spend lands at $100-200 per developer per month for heavy users. Moonshift Pro is $99 for 35,000 moons (~50 full launches) and the cap is enforced between phases; no token-meter surprises.

Moonshift: Per-run cap is simpler than token math
03

Models

Codex Pro users get GPT-5.3-Codex-Spark, a fast Codex-tuned variant in research preview. Codex on Plus uses the standard Codex model. Moonshift's frontend agent uses a frontier coding model and the validator uses a high-reasoning model; you cannot pick the model per prompt because the pipeline routes per phase. If you want fine-grained model picking on every call, Codex is the right product.

Codex: Explicit model selection on Codex Pro
04

Where each tool stops

Codex stops at a diff in your repo (or a PR on Codex Cloud). You still configure Vercel, provision a database, wire auth, write your launch post, render the hero image, and stage the X thread. Moonshift's marketer agent writes a 5-tweet X thread and a long-form LinkedIn post in your voice during the build. The image-gen agent renders three card sizes. The publisher agent stages everything behind a HITL approval gate.

Moonshift: Launch kit included; Codex stops at code
05

Best workflow combining both

Many builders run a Moonshift build to ship a deployed app on day one, then open the generated repo in ChatGPT (Codex) for downstream edits. Codex is excellent at long-running async tasks on a known codebase; Moonshift is excellent at the cold-start from a prompt. The two are complementary; the heavy-use cost on Codex drops once you only use it for follow-on iteration.

Tie: Run Moonshift first, iterate with Codex
What lands in your hands

After the build finishes

Codex output
  • Codex Cloud async PRs opened against your GitHub repo
  • In-ChatGPT diffs for individual file edits
  • Access to Codex models including GPT-5.3-Codex-Spark on Pro
  • Bundled with all other ChatGPT features
Moonshift output
  • Deployed app on your Vercel account at your domain
  • GitHub repo pushed to your account, not ours
  • Turso database with schema, seeded, migrated
  • Auth, sessions, password reset wired in
  • Landing page copy and hero image, on-brand
  • X thread (5 tweets) and LinkedIn post drafted
  • Three image prompts rendered for social cards
Pricing, honestly

What you pay, and what it actually gets you

Public pricing as of 2026-05. Updated when either side changes.

Codex pricing
Free$0

Codex available in ChatGPT Free with very low quota.

Plus$20

Baseline Codex quota; token-based pricing since April 2026.

Pro (new)$100

5x Plus usage; launched April 2026 for developers who outgrew Plus.

Pro$200

5x more usage than $100 tier; GPT-5.3-Codex-Spark research preview; unlimited Instant and Thinking models.

Business$30/user

Team usage with admin controls and centralised billing.

Moonshift pricing
Welcome trial$0

5,000 welcome moons on sign-up (~7 full launches). No card. One-time grant.

Hobby$19

5,000 moons/month (~7 launches). Every launch feature unlocked. Custom domains. Your Vercel + GitHub + Turso.

Starter$49

15,000 moons/month (~21 launches). Adds iterate-tab (chat-turn editing) + run scrub & replay.

Pro$99

35,000 moons/month (~50 launches). Adds full-mode (deeper reasoning) + cinematic landing agent included. Priority support.

Frequently asked

Codex vs Moonshift, common questions

Is there a standalone Codex subscription?
No. Codex is bundled with ChatGPT Plus ($20), the new Pro tier ($100), full Pro ($200), Business ($30/user), and Enterprise. Pricing changed to API-token-based on April 2, 2026.
Should I cancel ChatGPT if I use Moonshift?
No. Most Moonshift users keep ChatGPT for general use and Codex for downstream iteration. Moonshift ships the product; Codex iterates on it from there.
Can Moonshift replace Codex for my workflow?
For going from a prompt to a deployed product, yes. For long-running async edits on an existing repo, Codex is the better tool today.
How does the $100 Pro tier compare to Moonshift Pro?
ChatGPT Pro $100 is 5x Plus Codex usage plus access to all Pro features. Moonshift Pro $99 is 35,000 moons (~50 full launches) and includes deploy + database + launch kit. Different jobs; not really comparable line items.
Will Codex pricing be stable?
Hard to predict. OpenAI changed Codex pricing twice in 2026 (per-message to token-based in April; new $100 tier in April). Moonshift's per-run moon ceiling is a published cap that does not depend on token math.
The verdict
Pick Moonshift when

Pick Moonshift when you are starting from a prompt and want a launched product on your Vercel, with a real GitHub repo, Turso database, and a drafted launch post. The output is meant to ship, not to keep editing in a chat interface.

Pick Codex when

Pick Codex when you already pay for ChatGPT Plus, Pro, or the new $100 tier and want an async agent that can take long-running tasks (refactor this module, add this feature to this repo). The token-based pricing since April 2026 makes heavy use predictable if you understand your model budget.

Bottom line

Codex is best for async edits on an existing repo from inside ChatGPT. Moonshift is best for zero-to-deployed product. Use both: ship with Moonshift, iterate with Codex.

Stop at the deploy, or keep going until launch.

Moonshift builds the app and drafts the launch in one run. You approve. The first user sees a post you would actually publish.

We do not pretend to win every comparison. Cursor is better for IDE work, v0 for components, Base44 for Play Store. Moonshift is the only one that ships your launch posts with the build.