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Compare · Prices checked October 28, 2026

Replit vs OpenAI Codex (2026)

Published starting prices: Replit, Free; Core $20/mo. OpenAI Codex, Free; Plus $20/mo. Side-by-side public pricing, what each does, real use cases and who each suits, all from our listings with sources. We haven't tested either hands-on.

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Short answer: Replit vs OpenAI Codex pricing

Comparing the lowest listed monthly plans: Replit Core: $20/mo ($18 billed annually; includes $20 of model usage), and OpenAI Codex Go: $8/mo (lightweight tasks). OpenAI Codex lists the lower one. Replit and OpenAI Codex also have a free plan. Plans differ in what they include, and some are per seat or billed yearly, so compare the plan details. Checked October 28, 2026. Replit: yes. Its Starter plan is $0 (free plan: daily Agent credits, Lite build, 1 published app), checked October 28, 2026. OpenAI Codex: yes. Its Free plan is $0 (quick tasks), checked October 28, 2026.

Pricing side by side · FAQ

Pricing side by side

Replit vs OpenAI Codex: public pricing
ItemReplit AgentOpenAI Codex
Starting priceFree; Core $20/moFree; Plus $20/mo
Pricing modelSubscriptionSubscription
Free planYesYes
Plans
  • Starter: $0
  • Core: $20/mo
  • Pro: $100/mo
  • Free: $0
  • Go: $8/mo
  • Plus: $20/mo
  • Pro: from $100/mo
  • Business: $25/user/mo
Pricing noteStarter (free) and the Pro name are from Replit's plan docs (docs.replit.com/billing/plans); Core and Pro prices from replit.com/pricing. A Starter app's published link goes down after 30 days.Or use your own API key and pay API prices.
CheckedOctober 28, 2026October 28, 2026
SourceVendor pricing pageVendor pricing page

Copied from each vendor's public pricing page on the date shown. "not published" means the vendor doesn't publish it; we don't guess. Prices change; confirm with the vendor.

Features and details from our listings

Replit vs OpenAI Codex: features
ItemReplitOpenAI Codex
What it isA browser-based app builder: describe the app and Replit Agent builds, hosts and deploys it.OpenAI's coding agent, in a desktop app, CLI, IDE extension and on the web; included with ChatGPT plans.
Made byReplitOpenAI
Listed underCoding agentsCoding agents
Jobs it fits
  • Build a simple web app without coding
  • Prototype an internal tool
  • Port or rewrite code against a test suite
  • Delegate coding tasks to run in the cloud
Verified public use cases15

Use cases

Replit Agent

OpenAI Codex

Use cases are summarised in our own words from the linked public post; vendor case studies are labelled. All use cases.

Who each is best for

From our listing data (jobs, public pricing); not a hands-on test. Full details: Replit Agent · OpenAI Codex.

FAQ

Which is cheaper, Replit or OpenAI Codex?

Comparing the lowest listed monthly plans: Replit Core: $20/mo ($18 billed annually; includes $20 of model usage), and OpenAI Codex Go: $8/mo (lightweight tasks). OpenAI Codex lists the lower one. Replit and OpenAI Codex also have a free plan. Plans differ in what they include, and some are per seat or billed yearly, so compare the plan details. Checked October 28, 2026.

Is Replit free? Is OpenAI Codex free?

Replit: yes. Its Starter plan is $0 (free plan: daily Agent credits, Lite build, 1 published app), checked October 28, 2026. OpenAI Codex: yes. Its Free plan is $0 (quick tasks), checked October 28, 2026.

How much does Replit cost?

Replit lists Starter: $0 (free plan: daily Agent credits, Lite build, 1 published app); Core: $20/mo ($18 billed annually; includes $20 of model usage); Pro: $100/mo ($90 billed annually; includes $100 of model usage, up to 15 collaborators). Its lowest listed monthly plan is Core: $20/mo ($18 billed annually; includes $20 of model usage). Starter (free) and the Pro name are from Replit's plan docs (docs.replit.com/billing/plans); Core and Pro prices from replit.com/pricing. A Starter app's published link goes down after 30 days. Checked October 28, 2026 on the vendor's pricing page.

How much does OpenAI Codex cost?

OpenAI Codex lists Free: $0 (quick tasks); Go: $8/mo (lightweight tasks); Plus: $20/mo (Codex on web, CLI, IDE); Pro: from $100/mo (plans at $100, $200 or $500/mo); Business: $25/user/mo ($20 billed annually). Its lowest listed monthly plan is Go: $8/mo (lightweight tasks). Or use your own API key and pay API prices. Checked October 28, 2026 on the vendor's pricing page.

Did AITeamGuide test them?

Not hands-on. This comparison is built from each vendor's public pricing page (with the date we checked it), published product information and credited public use cases.

Can a vendor pay to win this comparison?

No. Nothing here is paid. Paid placements on AITeamGuide are always labelled "Sponsored" or "Featured" and never change a comparison or ranking.

Related guides

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Work at Replit Agent or OpenAI Codex? Vendors can claim their listing for free or feature it with a label that says "Sponsored"; paid status never changes the order on this page. Building a different agent? List it here.

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