ChatGPT Plus vs ChatGPT Pro 100
Published limits, price and every dated limit change for both plans, side by side. Each value comes from the vendor’s page or a cited source; where a vendor publishes no number, we say so.
ChatGPT Plus costs $20/mo; ChatGPT Pro 100 costs $100/mo. LimitWatch has logged 7 changes to ChatGPT Plus (2 cuts, 2 increases) and 6 to ChatGPT Pro 100 (1 cut, 2 increases). 5 of these changes affected both plans.
| ChatGPT Plus (Codex) | ChatGPT Pro 100 | |
|---|---|---|
| Price | $20/mo | $100/mo |
| Published limits | Windows Five-hour + weekly (shared by Work and Codex) | Five-hour limit None currently in Work and Codex |
| GPT-6 Astra ~5–45 local messages / 5h (estimate) | Included allowance Yes (no figure published) | |
| GPT-6.1 Sol ~15–160 local messages / 5h (estimate) | Ultrafast Not included | |
| GPT-6 Luna ~350–3,000 local messages / 5h (estimate) | ||
| Limit changes logged | 7 changes since 2 Apr 2026 ▲ 2 ▼ 2 ● 3 | 6 changes since 2 Apr 2026 ▲ 2 ▼ 1 ● 3 |
| Cuts in last 180 days | 1 | 1 |
| Last change | Same 14 Oct 2026 GPT-5.5 retired from Codex for ChatGPT sign-ins | Same 14 Oct 2026 GPT-5.5 retired from Codex for ChatGPT sign-ins |
| Notes | OpenAI says ranges are estimates, not guaranteed counts; cloud tasks can use more. | Fast mode uses allowance at 2.5x the Standard rate. |
| Source | help.openai.com checked 19 Oct 2026 | help.openai.com checked 19 Oct 2026 |
| Full ChatGPT Plus page → | Full ChatGPT Pro 100 page → |
Units differ between vendors (sessions, credits, requests, multipliers), so limits are shown as each vendor publishes them rather than converted.
Change history, both plans (8)
GPT-5.5 retired from Codex for ChatGPT sign-ins
GPT-5.5 selectable in Codex with ChatGPT sign-in.GPT-5.5 removed; GPT-6.1 Sol recommended on paid plans.Details and source
From 19:00 UTC on Oct 14, GPT-5.5 is no longer available in Codex when signed in with ChatGPT. Paid plans should switch to GPT-6.1 Sol; API-key Codex sessions are unaffected. Update saved settings, configs and scripts that select gpt-5.5.
Vendor’s framing: “The OpenAI API and Codex sessions authenticated with an API key aren’t affected.”
Source: ChatGPT & Codex changelog · Announced: 2026-09-14 (notice) and 2026-10-14, ChatGPT & Codex changelog · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200ChatGPT Plus: five-hour Codex limit is back
No five-hour limit on Plus.Rolling five-hour limit on Plus.Details and source
The rolling five-hour limit returned for Plus across ChatGPT Work and Codex; Pro $100 and $200 exempt.
Vendor’s framing: “Tomorrow we will bring back the 5h limit for Plus accounts across ChatGPT Work and Codex. I had mentioned this a while ago, but then postponed it”
Source: Digital Applied ledger (row 19; original report: explainx) · Announced: 2026-08-25, Tibo Sottiaux on X · Plans: ChatGPT Plus (Codex)Codex five-hour limit ‘restored’ (didn’t hold for Plus)
No five-hour limit.Five-hour limit restored as announced; whether it landed for Plus is not established.Details and source
OpenAI said the five-hour limit would return on Jul 30 with a full usage reset; on Aug 25 the same exec said he had postponed it.
Vendor’s framing: “Tomorrow, we’ll also restore the five-hour limit that we temporarily paused while investigating”
Source: Digital Applied ledger (row 18; original report: Codex Runway) · Announced: 2026-07-29, Tibo Sottiaux on X · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200Codex five-hour limit temporarily removed (launch week)
Five-hour limit enforced alongside weekly limit.No five-hour limit (temporary).Details and source
During GPT-5.6 Sol launch week the rolling five-hour limit was removed for Plus, Business and Pro; weekly limits unchanged.
Vendor’s framing: A temporary removal during launch week
Source: Digital Applied ledger (row 17; original report: Morph) · Announced: 2026-07-12, Tibo Sottiaux on X · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200Codex adds banked rate-limit resets
No user-controlled way to clear a rate limit.One banked reset per user at launch.Details and source
Rate-limit reset banking added: one free reset per user at launch, redeemable against a hit limit.
Vendor’s framing: A new capability
Source: Digital Applied ledger (row 16; original report: Ofox) · Announced: 2026-06-11, Codex changelog · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200ChatGPT Pro $100: Codex usage drops from 10x to 5x Plus
10x ChatGPT Plus Codex usage (launch promo).5x ChatGPT Plus Codex usage.Details and source
The launch promotion (10x Plus Codex usage through May 31) ended; the standard 5x multiplier applies.
Vendor’s framing: Scheduled end of a launch promotion
Source: The Next Web · Announced: 2026-04-09 (end date stated at launch) · Plans: ChatGPT Pro 100ChatGPT Plus Codex allocation rebalanced toward steady daily use
Plus allowed longer burst sessions.Plus rebalanced toward steadier daily usage.Details and source
Announced with the new $100 Pro tier: Plus shifted toward steadier day-to-day usage rather than longer burst sessions.
Vendor’s framing: Presented as part of a tier launch, not as a reduction
Source: The Next Web · Announced: 2026-04-09 · Plans: ChatGPT Plus (Codex)Codex credits move from per-message to per-token pricing
Credits charged per message or per PR as approximate averages.Credits charged per 1M input, cached input and output tokens.Details and source
Codex credits for Plus, Pro, Business and new Enterprise switched to a token-based rate card (input, cached input, output). No conversion published.
Vendor’s framing: “we updated Codex pricing to align with API token usage, instead of per-message pricing”
Source: Digital Applied ledger (row 12; original: OpenAI Help Center Codex rate card) · Announced: On or before 2026-04-02, OpenAI Help Center · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200
ChatGPT Plus vs ChatGPT Pro 100: FAQ
How much do ChatGPT Plus and ChatGPT Pro 100 cost?
ChatGPT Plus: $20/mo (OpenAI pricing page, checked 19 Oct 2026). ChatGPT Pro 100: $100/mo (OpenAI pricing page, checked 19 Oct 2026).
What are the usage limits on ChatGPT Plus vs ChatGPT Pro 100?
ChatGPT Plus — Windows: Five-hour + weekly (shared by Work and Codex); GPT-6 Astra: ~5–45 local messages / 5h (estimate); GPT-6.1 Sol: ~15–160 local messages / 5h (estimate); GPT-6 Luna: ~350–3,000 local messages / 5h (estimate). ChatGPT Pro 100 — Five-hour limit: None currently in Work and Codex; Included allowance: Yes (no figure published); Ultrafast: Not included.
Which has had more limit cuts, ChatGPT Plus or ChatGPT Pro 100?
ChatGPT Plus: 7 logged changes since 2 Apr 2026 (2 increases, 2 cuts, 3 other). ChatGPT Pro 100: 6 logged changes since 2 Apr 2026 (2 increases, 1 cut, 3 other).
When did ChatGPT Plus and ChatGPT Pro 100 limits last change?
ChatGPT Plus last changed on 14 Oct 2026: GPT-5.5 retired from Codex for ChatGPT sign-ins. ChatGPT Pro 100 last changed on 14 Oct 2026: GPT-5.5 retired from Codex for ChatGPT sign-ins.
More comparisons: Claude Pro vs ChatGPT Plus · ChatGPT Plus vs Google AI Pro · Claude Max 5x vs ChatGPT Pro 100 · ChatGPT Pro 100 vs ChatGPT Pro 200 · All comparisons