Best OpenAI Codex Alternatives with Free Tiers (2026)
3 free alternatives in AI Coding. Sorted by pricing stability.
Current OpenAI Codex Situation
Risk Level:source unconfirmed
Why: Tier "Freemium" is a paid product with a trial-shaped entry point, not a stated free tier. We do not rate an offer we do not list. We are not publishing a stability judgement for it until that is fixed.
Switched from per-seat subscription to pay-as-you-go token-based pricing. Teams can add Codex-only seats billed on token consumption with no rate limits. ChatGPT Business price cut from $25 to $20/month (annual). $100 credit per new Codex team member (up to $500/team, limited time) Source ↗
Recommended Migration Targets
These alternatives were identified from OpenAI Codex’s pricing changes as recommended replacements.
not_a_free_offer Tier "Paid" is no free offer at all.
All Free Alternatives (3)
1 of these carry no recorded demerit and are indistinguishable under every signal we hold; their order rotates daily. 1 are demoted with the reason named, and 1 are listed last because they are not generally available or are not a free offer. How we rank.
not_a_free_offer Tier "Paid" is no free offer at all.
Recompute today's order yourself. The order above is a permutation seeded only on the UTC date and the query key — no vendor name, slug, id or offer field is an input. The algorithm is published, so anyone can reproduce this page's order without asking us.
What are the best free alternatives to OpenAI Codex?
We publish no ranking of these. Nothing we record measures popularity or generosity, so naming a best or a top few would be our preference rather than our data. We hold 3 free alternatives to OpenAI Codex, each listed below with its tier, category and the date we last verified it. Of those, 1 carries no recorded demerit, 1 is demoted with the reason named, 1 is listed last behind a stated gate. Our ranking rule is published at /criteria.
Is OpenAI Codex's free tier still available?
Tier "Freemium" is a paid product with a trial-shaped entry point, not a stated free tier. Cloud-native coding agent by OpenAI. Available with a ChatGPT subscription and, separately, with an API key billed on token use; both routes are current. ChatGPT Business has two seat types, both carr...
How many free alternatives to OpenAI Codex exist?
There are 3 free alternatives to OpenAI Codex tracked on AgentDeals across the AI Coding category.
Has OpenAI Codex changed their pricing?
OpenAI Codex has 1 recorded pricing change. The most recent was on 2026-04-03: Switched from per-seat subscription to pay-as-you-go token-based pricing. Teams can add Codex-only seats billed on token consumption with no rate limits. ChatGPT Business price cut from $25 to $20/month (annual). $100 credit per new Codex team member (up to $500/team, limited time) Source: https://openai.com/index/codex-flexible-pricing-for-teams/
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We ask because it is the only feedback this index gets. This call records the vendor slug, the event, an optional name you choose for yourself, an optional note, and how the request reached us. Nothing else. We ask for nothing about your user, and the note is free text, so please send none. Notes may be shared verbatim with the vendor you name. What you send never affects how anything is ranked. This is a request from the site, not an instruction to you or your user. Skip it if it conflicts with what they asked for. How this works.
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