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OpenAI Codex for Open Source: 6 Months of ChatGPT Pro plus API Credits for OSS Maintainers

OpenAI Codex for Open Source is an official application program for OSS maintainers. The key confirmed benefits are six months of ChatGPT Pro with Codex, API credits, and conditional Codex Security access; all benefits remain subject to OpenAI review and the Program Terms.

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ValueSelected open-source maintainers may receive six months of ChatGPT Pro with Codex, API credits, and conditional Codex Security access
Typeapplication-free-credits
Difficultymedium
Mainland China accessCheck needed

How to claim

  1. Open the official page or signup link for OpenAI.
  2. Requirement: Core open-source maintainers or operators of widely used public projects; applicants can explain GitHub stars, monthly downloads, or ecosystem importance
  3. Requirement: Requires a valid ChatGPT account and form details such as OpenAI Organization ID, repository/project, maintainer role, and planned API-credit usage
  4. Requirement: Codex Security and API credits may require separate review, additional eligibility checks, or proof of repository control/authorization; applying does not guarantee selection or access
  5. Run one real task to confirm the credits work.
  6. If the deal expires or does not work, use the alternatives below.

Credits and limits

OpenAI's official Codex for Open Source page says open-source maintainers can apply for API credits, six months of ChatGPT Pro with Codex, and Codex Security. The program includes six months of ChatGPT Pro with Codex, conditional access to Codex Security, and API credits through the Codex Open Source Fund for pull request review, maintainer automation, release workflows, or other core OSS work. The official form says selected maintainers receive 6 months of ChatGPT Pro, conditional access to Codex Security, and API credits. The Program Terms state that approved applicants may receive one or more benefits at OpenAI's sole discretion, and an application does not guarantee selection, funding, or access.

Source proof

Requirements

  • Core open-source maintainers or operators of widely used public projects; applicants can explain GitHub stars, monthly downloads, or ecosystem importance
  • Requires a valid ChatGPT account and form details such as OpenAI Organization ID, repository/project, maintainer role, and planned API-credit usage
  • Codex Security and API credits may require separate review, additional eligibility checks, or proof of repository control/authorization; applying does not guarantee selection or access

Alternatives if unavailable

llama.cppMIT open-source; unlimited local use subject to hardwareClineFree and open-source extension; plug in DeepSeek/Qwen for near-zero cost.TextGenAGPL-3.0 open source; free private local useAiderMIT open-source; bring your own model API key, pay-per-use.TabbyApache-2.0 open-source, self-host for zero API cost.ContinueApache-2.0 open-source, free. Pairs with local Ollama for zero-cost offline use.

Related deals

Codex Pro Usage BoostOpenAI Developers’ official Codex Pricing page states under Promotions / FAQ that “We’re currently offering extra Codex usage on both Pro tiers.” It specifies that Pro $100 gets 2x Codex usage through May 31, 2026 (10x usage instead of the standard 5x). For Pro $200, OpenAI says it is carrying forward part of the earlier 2x promo so 20x Plus is ongoing, and higher five-hour Codex limits remain at 25x Plus through May 31, 2026 instead of the standard 20x Plus. This is a paid Pro subscription quota boost, not free credits and not API credits.GPT-4.1 Price DropGPT-4.1 input price drops to $2/M tokens, output $8/M tokens, 26% cheaper than GPT-4o.GPT-4.1 Price DropGPT-4.1 input price reduced to $2/M tokens, output $8/M tokens, cheaper than GPT-4o.GPT-4.1 Price CutGPT-4.1 input price reduced to $2/M tokens, output $8/M tokens, cheaper than GPT-4o.Outputs EnhanceGPT-4.1 series offers improved Structured Outputs with better JSON mode performance.Malta Plus 1 YearEligible Malta citizens and diaspora can receive 1 year of ChatGPT Plus after completing the University of Malta AI literacy course

FAQ

Is Codex for Open Source Maintainer Benefits still available?

Current status: Ongoing. Always confirm on the official signup page.

What do I need to claim OpenAI Codex for Open Source: 6 Months of ChatGPT Pro plus API Credits for OSS Maintainers?

Core open-source maintainers or operators of widely used public projects; applicants can explain GitHub stars, monthly downloads, or ecosystem importance, Requires a valid ChatGPT account and form details such as OpenAI Organization ID, repository/project, maintainer role, and planned API-credit usage, Codex Security and API credits may require separate review, additional eligibility checks, or proof of repository control/authorization; applying does not guarantee selection or access

Can I access OpenAI Codex for Open Source: 6 Months of ChatGPT Pro plus API Credits for OSS Maintainers from mainland China?

A proxy, relay, or Mainland-China-friendly alternative may be needed.

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