#ChatGPT Help
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Hi @little pendant. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:
Here’s a summary of the main benefits for ChatGPT Free, Plus, and Pro users, based on the official help documentation:
Free Tier
- Access to GPT-4o (with message limits based on demand)
- Limited access to advanced tools: data analysis, file/image uploads, web search, vision, and GPT Store (can use, but not create, custom GPTs)
- Lower rate limits and stricter usage caps compared to paid plans
- No ability to create or publish custom GPTs
- Cannot rate GPTs
- When GPT-4o usage is exceeded, falls back to GPT-4.1 mini
- No Sora video generation access
Source, Source, Source, Source
ChatGPT Plus ($20/month)
- Everything in Free, plus:
- Priority access during high-traffic periods
- Higher message caps (e.g., up to 80 GPT-4o messages per 3 hours)
- Access to advanced models: GPT-4o, GPT-4, GPT-4.1 mini, o3, o4-mini, etc.
- Faster response speeds
- Expanded features: voice conversations, image generation, file uploads/analysis, deep research tools, custom GPT creation and publishing
- Enhanced memory features (saved memories and chat history)
- Sora video generation: unlimited images/videos, up to 720p/10s, 2 concurrent generations
Source, Source, Source, Source
ChatGPT Pro ($200/month)
- Everything in Plus, and:
- Unlimited access to all models (GPT-4o, GPT-4.1, GPT-4.1 mini, o3, o1-pro, o4-mini-high, o4-mini)
- Access to GPT-4.5 research preview
- Unlimited advanced voice (higher limits for video/screensharing)
- Prioritized traffic and no peak hour limits
- Early access to new features and models
- Extended access to deep research and Sora video generation (up to 1080p/20s, 5 concurrent generations, no watermark)
- Access to research previews of Operator and Codex agent
Source, Source, Source
For the most up-to-date and detailed list of features, you can always check the official OpenAI help articles for ChatGPT Plus and ChatGPT Pro.
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
@little pendant Kapa.ai is still learning and improving, please let me know how I did by reacting below.
@placid patrol I'm using the free tier right now, does the free tier have unlimited usage for o4-mini
Let me check the knowledge base for you again. One moment! :books:
No, the free tier does not have unlimited usage for o4-mini. Free users have access to o4-mini, but usage is limited. The free tier provides a limited pool of messages with o4-mini that replenishes every 5 hours. Once you reach your limit, you must wait for it to reset before you can continue using o4-mini. If you need higher or near-unlimited usage, you would need to upgrade to a paid plan such as Plus, Team, or Pro, which have much higher or near-unlimited daily limits for o4-mini usage see details here.
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
@little pendant Kapa.ai is still learning and improving, please let me know how I did by reacting below.
@placid patrol isn't that the GPT-4o, not the o4-mini
Let me check the knowledge base for you again. One moment! :books:
You are correct—my previous answer referenced the GPT-4o usage pattern, but you specifically asked about o4-mini.
According to the official documentation, the free tier does not have unlimited usage for o4-mini. Free users have access to o4-mini, but with a limited pool that replenishes every 5 hours. The exact number of messages available to free users is not specified, but it is clear that usage is capped and not unlimited. Paid plans (Plus, Team, Enterprise, Edu) have much higher daily limits (e.g., 300 messages per day), while Pro users have near-unlimited access o4-mini in ChatGPT - FAQ.
So, on the free tier, o4-mini usage is limited and not unlimited.
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@little pendant Kapa.ai is still learning and improving, please let me know how I did by reacting below.
@placid patrol So the only unlimited AI usage we have is GPT-4.1mini
Let me check the knowledge base for you again. One moment! :books:
No, GPT-4.1 mini is not unlimited for free users. The knowledge sources indicate that on the free tier, all advanced models—including GPT-4o, o4-mini, and GPT-4.1 mini—have usage limits. When you reach your GPT-4o limit, you are switched to GPT-4.1 mini, but this model also has usage caps for free users. The exact limits for GPT-4.1 mini on the free tier are not specified, but it is clear that unlimited usage is not available; only paid plans (such as Plus, Pro, Team, or Enterprise) offer higher or unlimited usage for certain models see details.
In summary:
There is no unlimited AI usage for any model on the free tier, including GPT-4.1 mini.
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
@little pendant Kapa.ai is still learning and improving, please let me know how I did by reacting below.
@placid patrol We have unlimited usage with GPT-4.1-mini
Let me check the knowledge base for you again. One moment! :books:
Based on the knowledge sources, free tier users do not have unlimited usage with GPT-4.1 mini. The documentation states that when free users reach their GPT-4o usage limit, they are switched to GPT-4.1 mini, but it does not indicate that usage is unlimited. In fact, all advanced models on the free tier—including GPT-4.1 mini—have usage limits, though the exact cap for GPT-4.1 mini on the free tier is not specified. Unlimited or near-unlimited usage is only available on certain paid plans, such as Pro or Enterprise What is the ChatGPT model selector?.