ChatGPT
OpenAI's AI assistant for everyday writing, research, image creation and coding. Essential in this category.
The take
What is ChatGPT?
ChatGPT is OpenAI’s AI assistant. It is available on web, iOS and Android, with a free plan and paid Go, Plus and Pro plans for individuals, plus Business and Enterprise plans for organizations.
How does ChatGPT work?
It predicts the next token in a sequence based on patterns learned from a large body of text, code and other data. The model does not look facts up in a database; it generates answers from learned associations, which is why it can produce plausible-sounding but incorrect information. Search, which is on every plan including Free, lets it pull in current web results.
Files, spreadsheets and ChatGPT Work
You can upload files on every plan, with limits that grow from Free (limited) to Go (more) and Plus (expanded). OpenAI says ChatGPT Work can create and edit docs, slide decks, spreadsheets, charts, PDFs, images and other deliverables. For anyone who works with data, this is the main reason to move to Plus.
Memory, Projects and custom GPTs
Memory and memory with past chats are on every plan: limited on Free, included on Go and expanded on Plus and Pro. Projects are on every plan. Plus adds scheduled tasks and custom GPTs, which package instructions and files into a reusable assistant. A well-configured custom GPT for one recurring job, such as reviewing contracts against your house style, is usually more useful than a generic chat.
How does ChatGPT compare to Claude?
Both have a free plan with web search. ChatGPT has the cheaper entry paid plan (Go at $8 a month); Claude Pro is $17 a month on annual billing. The prices below come from each vendor’s pricing page on October 6, 2026. For Gemini and Perplexity, see our Gemini and Perplexity pages and the AI chatbots category.
| Attribute | ChatGPT | Claude |
|---|---|---|
| Free plan | $0, with search and limited uploads, image creation and deep research | $0, with web search, memory and Artifacts |
| Cheapest paid plan | Go: $8/mo (may include ads) | Pro: $17/mo annual ($20 monthly) |
| Main individual plan | Plus: $20/mo | Pro: $17/mo annual ($20 monthly) |
| Top individual plan | Pro: from $100/mo | Max: from $100/mo |
| Custom assistants | Custom GPTs, from Plus | Projects (up to 5 on Free) |
| 80/20 verdict | Default for most users | Pick for coding and long documents |
See the full head-to-head in ChatGPT vs Claude.
Who should use ChatGPT?
ChatGPT fits people who want one assistant for writing, research, image creation and everyday questions. Plus suits daily professional use (advanced reasoning models with GPT-6, expanded deep research, custom GPTs), and Pro suits heavy research and coding work with longer Codex and ChatGPT Work sessions. Teams that need central administration should compare the Business and Enterprise plans on the pricing page.
When should you skip ChatGPT?
ChatGPT is the wrong choice in these scenarios. Look at the listed alternative first.
- Cited research is the whole job. Compare Perplexity, which is built around research answers.
- Your team lives in Google Workspace. Compare Google Gemini before you add another assistant.
How much does ChatGPT cost?
ChatGPT has a free plan. Paid plans start at $8 per month, per ChatGPT’s official pricing page as of October 6, 2026.
| Plan | Price (as captured) | Notes |
|---|---|---|
| Free | $0/mo | Unlimited text chats (subject to abuse guardrails); limited uploads, image creation and deep research |
| Go | $8/mo | More messages with tools, uploads and image creation; may include ads |
| Plus | $20/mo | Advanced reasoning models with GPT-6; projects, scheduled tasks and custom GPTs |
| Pro | From $100/mo | Choice of 3 usage tiers; Pro reasoning with GPT-6 Astra |
| Business & Enterprise | See pricing page | Contact sales |
Prices as captured from ChatGPT’s pricing page on October 6, 2026. Vendors change pricing often, so check the live page before you buy.
What are ChatGPT’s key limitations?
ChatGPT generates confident, fluent text that can contain made-up statistics, invented citations and plausible-sounding but incorrect claims. Treat any output with specific numbers, quotes or citations as a draft to verify, not a finished research deliverable.
Limits apply on Plus, per the pricing page, and Pro’s unlimited use is subject to abuse guardrails. Heavy users should check the limits for their plan before they commit.
How we evaluated ChatGPT
Every fact on this page (pricing, plans, free-tier status and features) was captured from ChatGPT’s official pages (about, home, integrations, pricing) on October 6, 2026 and checked against that capture before publishing. Claude figures in the comparison come from Claude’s pricing page, captured the same day. Claims we could not confirm on those pages were removed rather than guessed. The verdict and the when-to-use guidance are Priya Nair’s editorial judgment. See our evaluation methodology for how we score tools.
Strengths & trade-offs
What earns the score
- Custom GPTs (from Plus) let non-engineers build purpose-specific assistants without infrastructure
- Memory and Projects are on every plan, which cuts repetitive context-setting across sessions
- Go at $8/month is a cheap first paid step
Where it falls short
- Outputs can contain fabricated facts and citations, so they need verification
- Go may include ads
- Limits apply on Plus; heavy users may need Pro, which starts at $100/month
How it compares
| Tool | Score | Tier | From |
|---|---|---|---|
 Perplexity | 95 | Essential | $17/mo |
| ChatGPT | 94 | Essential | $8/mo |
 Claude | 89 | Essential | $17/mo billed annually |
 Google Gemini | 75 | Strong | $4.99/mo |
Frequently asked questions
Is ChatGPT worth paying for versus staying on the free tier?
For daily professional use, usually yes. Free includes unlimited text chats (subject to abuse guardrails) but limits uploads, image creation and deep research. Go ($8/month) raises those limits and may include ads; Plus ($20/month) adds advanced reasoning models with GPT-6, expanded deep research, scheduled tasks and custom GPTs, per chatgpt.com/pricing on October 6, 2026.
How does ChatGPT compare to Claude for long documents?
In our editorial view, Claude is the stronger default for long-document analysis and coding, and ChatGPT for broad everyday use. Both have free plans with web search; Claude Pro is $17/month on annual billing and ChatGPT Plus is $20/month.
Does ChatGPT remember previous conversations?
Yes. Memory and memory with past chats are listed on every plan: limited on Free, included on Go and expanded on Plus and Pro, per ChatGPT's pricing page on October 6, 2026.
What are custom GPTs and are they worth using?
Custom GPTs are ChatGPT assistants you configure for a specific job. They are included from Plus. They are worth using for recurring tasks with consistent instructions, such as drafting support replies or summarizing documents in a fixed format.
Can ChatGPT access the internet in real time?
Yes. Search is included on every ChatGPT plan, including Free, per ChatGPT's pricing page on October 6, 2026.
Is ChatGPT safe for business use?
For company data, use the Business or Enterprise plans listed under Business & Enterprise on the pricing page (contact sales). We could not confirm data-retention or training defaults on the captured pages, so check OpenAI's current data controls before you share confidential information.
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