Tier-by-tier limits
Side-by-side tracked limits for each tier.
| Limit | ChatGPT Free | ChatGPT Plus | ChatGPT Pro |
|---|---|---|---|
| Price | Free | $20/month | $200/month |
| Messages / requests per window | ~10 messages per 5 hours | 160 messages per 3 hours | Effectively unmetered |
| Weekly cap | Up to 3,000 per week | ||
| Context window | 8K tokens | 32K tokens | 128K tokens |
| Model access | Flagship + reasoning models, plus legacy model picker | Everything in Plus + Pro-grade reasoning model | |
| Deep research | 5 lightweight tasks / month | 25 tasks / month | 125 full + 125 lightweight per month |
| Image generation | |||
| File uploads | 80 uploads per 3 hours | ||
| When you hit the limit | Falls back to a lighter model until the window resets | Falls back to a lighter model or waits for the window reset | Soft guardrails against automated or abusive use only |
✓ Figures verified between Jan 15, 2026 and Jul 29, 2026 against official provider pages · hover any value for its date · full per-fact dates and sources in the plan sections
ChatGPT Free: full tracked limits
Free · Official pricing page · Full plan guide
| Limit | Value | Verified | Source |
|---|---|---|---|
| Flagship-model messages | ~10 messages per 5 hours | ✓ Jan 15, 2026 | Official page |
| Context window | 8K tokens | ✓ Jan 15, 2026 | Official page |
| Deep research tasks | 5 lightweight tasks / month | ✓ Jan 15, 2026 | Official page |
| Image generation | ✓ Jan 15, 2026 | Official page | |
| At the limit | Falls back to a lighter model until the window resets | ✓ Jan 15, 2026 | Official page |
ChatGPT Plus: full tracked limits
$20/month · Official pricing page · Full plan guide
| Limit | Value | Verified | Source |
|---|---|---|---|
| Flagship-model messages | 160 messages per 3 hours | ✓ Jul 29, 2026 | Official page |
| Reasoning (Thinking) messages | Up to 3,000 per week | ✓ Jul 29, 2026 | Official page |
| Context window | 32K tokens | ✓ Jan 15, 2026 | Official page |
| Model access | Flagship + reasoning models, plus legacy model picker | ✓ Jan 15, 2026 | Official page |
| Deep research tasks | 25 tasks / month | ✓ Jan 15, 2026 | Official page |
| Image generation | ✓ Jan 15, 2026 | Official page | |
| File uploads | 80 uploads per 3 hours | ✓ Jul 29, 2026 | Official page |
| At the limit | Falls back to a lighter model or waits for the window reset | ✓ Jan 15, 2026 | Official page |
ChatGPT Pro: full tracked limits
$200/month · Official pricing page · Full plan guide
| Limit | Value | Verified | Source |
|---|---|---|---|
| Flagship-model messages | Effectively unmetered | ✓ Jan 15, 2026 | Official page |
| Context window | 128K tokens | ✓ Jan 15, 2026 | Official page |
| Model access | Everything in Plus + Pro-grade reasoning model | ✓ Jan 15, 2026 | Official page |
| Deep research tasks | 125 full + 125 lightweight per month | ✓ Jan 15, 2026 | Official page |
| At the limit | Soft guardrails against automated or abusive use only | ✓ Jan 15, 2026 | Official page |
Recorded limit changes
From the full changelog.
OpenAI raised the weekly reasoning-model ('Thinking') cap for ChatGPT Plus from 200 to up to 3,000 messages per week.
Source
Practical guidance
How these limits play out in real workflows.
The Free-to-Plus jump is mostly about volume
Free accounts get roughly 10 flagship-model messages per 5 hours before falling back to the mini model; Plus raises that to 160 messages per 3 hours and adds up to 3,000 reasoning messages per week. If you hit the free cap most days, Plus removes that friction.
Plus-to-Pro is about reasoning depth and context
Pro is effectively unmetered for normal use and quadruples the context window (32K to 128K tokens). It only pays off if you run heavy reasoning or long-document sessions daily — the deep research allowance jumps from 25 to 250 tasks per month.
Limits reset on rolling windows
ChatGPT windows are rolling (3 or 5 hours), not calendar-day. Hitting a cap downgrades you to a lighter model rather than blocking you outright, so bursty work is more tolerable than on plans with hard stops.
FAQ
Answers based on the tracked figures above.
How many messages do I get on ChatGPT Plus?
160 flagship-model messages per 3 hours (raised from 80 in August 2025), plus a weekly cap of up to 3,000 extended-reasoning messages. Overflow falls back to a lighter model.
Is ChatGPT Pro really unlimited?
OpenAI describes Pro as unlimited subject to abuse guardrails — there is no published message cap, and the guardrails target automated or abusive use, not heavy human use.
What context window does each tier get?
In the ChatGPT interface: about 8K tokens on Free, 32K on Plus, and 128K on Pro. API context limits are separate and larger.