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Discussion & Solutions
1

Hello!

I want to use ChatGPT’s Codex for a month. Do you know the cheapest way to buy it?

Thank you!

2

its free for a month

3

Codex pump — same tool, dial the price to $0
Codex pump — same tool, dial the price to $01672×941 453 KB

:fuel_pump: $20 ▸ $8 ▸ $3 ▸ $0

same Codex — you were just parked on the highest setting

You don’t buy Codex — it’s bundled inside ChatGPT, and the tool itself is open-source. You’re not a student or coder and have no ID, so here’s the cheapest-first ladder — nothing below needs a status or an ID card. :dollar_banknote: = what you’d actually spend for the month.

:ladder: Cheapest first

:dollar_banknote: $0 — try this before paying a cent
├─ :green_circle: Codex free tier — it already runs on the free ChatGPT plan; sign the Codex CLI into a $0 account (capped, but the real Codex, no ID)
├─ :green_circle: Qwen Code CLI — a free Codex-clone in your terminal, ~1000 agentic runs/day, no card
├─ :green_circle: Trae IDE — free app that builds your project for you: type “build X” and its agent codes + runs it (best pick if you’re not a coder)
└─ OpenRouter free models — ~29 zero-cost models, no card → feed them into Codex (config in the drawer)

:dollar_banknote: ~$3–8 — a real month, still no ID
├─ :gem_stone: ChatGPT Go — $8/mo official, Codex bundled, email+phone only → buy, use 30 days, cancel. The cheapest official answer.
├─ :gem_stone: Z.ai GLM Coding Plan — ~$3/mo flat, unmetered coding; drops straight into the Codex CLI
└─ :gem_stone: pay only for what you use → Codex + your own OpenAI key (~$5 for a light month) · DeepSeek (cents) · NanoGPT (no account, pay crypto per-prompt from $0.10)

:admission_tickets: one-month freebies (no card)
└─ a Plus friend’s in-app Invite link = 7–14 days of full Plus incl Codex, auto-expires — no cancel dance

:warning: Region tricks — Argentina/Turkey cheap Plus, India free Go 12 months — work, but need a local card/UPI, not just a VPN (OpenAI prices by the card’s country).

🔵 The master key + "be a student without being one" (tinkerer depth)

Point the REAL Codex at any cheap engine — the CLI reads OPENAI_BASE_URL / ~/.codex/config.toml, so you keep Codex and swap what’s under it:

The $100-credits path — a .edu without being a student:
├─ Free-enroll at an open-admission community college — Calbright or CCCApply issue a real, deliverable .edu — no ID card, no tuition
└─ that .edu clears SheerID’s email-loop verify → unlocks OpenAI Codex for Students $100 credits + Azure for Students $100 (email-only, no card)

Codex was never a $20 turnstile — it’s a free tool with a meter you set to $0, $3, or $8. Just pick your rung.