ChatGPT / Codex Pro $200

OpenAI · Coding agent plan · openai/pro-200

Price a month

$200

Est. $/Mtok at full use

$0.044

Checked

5 Oct 2026

Models included

• gpt-6.1-sol
• gpt-6-astra
• gpt-6-luna

Published limits

• “Pro plans currently have no five-hour limit.”

  5-hour rolling window · unknown

• “Weekly limits may also apply.”

  weekly cap · unknown

• “20x Plus (10x for new subscribers from 2026-10-30) [secondary: threatfrontier.com / search summaries; official multiple in help.openai.com/en/articles/9793128 which returned 403]”

  no window published · 20 unit not specified

Fair use

The vendor publishes no fair-use clause beyond the limits above.

Token math, step by step

The assumption: one request is 20,000 input tokens (18,000 of them cache reads) plus 1,500 output = 21,500 tokens, and a month of full use is 4 usable 5-hour windows a day × 30 days = 120 windows.

This estimate does not follow from the caps alone (credit pool, dollar pool or a measured conversion). The dataset’s method, verbatim:

“STANDARD: 1 request/prompt/message = 1 agentic model call of 20,000 input tokens (18,000 cache-read + 2,000 uncached) + 1,500 output = 21,500 tokens. Window plans: 4 usable 5h windows/day x 30 days = 120 windows/month, then capped by weekly cap x 30/7 and by any monthly cap (whichever binds first). Dollar-pool plans: pool / blended reference rate for the same token mix at Claude Sonnet 5.5 list ($2 in / $0.20 cache-read / $10 out per Mtok) = $1.0512/Mtok. Codex: midpoint of published GPT-6.1 Sol range (15-160 -> 87.5 local messages/5h) x 120 windows; weekly cap unpublished so this is an UPPER bound on the window side, but a Codex 'local message' is a full agent turn (many model calls) so 21.5k tokens/message is a conservative token count. Pro = secondary multiple x Plus estimate.”

1. Tokens a month at full use: 4,515,000,000.
2. USD price ÷ (tokens ÷ 1,000,000) = $200 ÷ 4,515 = $0.044 per 1M.
3. The same mix through the Claude Sonnet 5.5 API costs $1.05 per 1M, so at full use this plan is 24× cheaper.

“At full use” means using every window to the cap. Real use is usually well below it.

Sources

• Source: learn.chatgpt.com
• Checked 5 Oct 2026; last verified 5 Oct 2026.
• Confidence: secondary source.

Price history

One snapshot so far, from 5 Oct 2026. Price history is planned.

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