Anthropic's AI assistant for writing, analysis, coding and multi-step work, with free and paid plans.
Free stops at: Usage limits apply, Projects: up to 5
Free · paid from $20/mo US · checked Sep 30
Head-to-head · profiles checked Sep 30, 2026
Claude fits long documents, writing and coding in one assistant; ChatGPT fits image generation, voice with video and cited deep research. Claude Pro and ChatGPT Plus both cost $20/mo, and Claude and ChatGPT both have a free tier. Claude Pro drops to $17/mo billed annually, while ChatGPT has no annual option on individual plans.
We wrote this from our own verified profiles of Claude and ChatGPT, both checked on September 30, and it is not based on third-party benchmarks or any vendor payment.
Pick Claude if you work with long documents, want writing and coding help in one assistant, or need a pay-per-token API for the same models. Pick ChatGPT if you need image generation, voice with video, deep research reports or a broader set of built-in tools. Claude and ChatGPT both start at $20/mo for the first paid individual plan, and neither includes API access in a chat subscription. Check usage limits on Claude and ChatGPT, because each vendor states that caps apply and can change.
Based on our profiles of Claude and ChatGPT, both verified on September 30, using official vendor pages; ChatGPT US prices were only partly confirmed, and no benchmark was run.
If you only want the answer, this is the table. Everything below is the evidence from the two documented profiles.
| You want to | Use | Why |
|---|---|---|
| Summarize a very long PDF or contract | Claude | Claude chat accepts PDFs up to 1000 pages and 500 MB per file. |
| Write or edit long documents | Claude | Claude lists writing and editing documents as a core use case, with Artifacts for shareable documents. |
| Generate an image or illustration | ChatGPT | ChatGPT generates and edits images; Claude only builds HTML/SVG diagrams and charts. |
| Talk to the assistant by voice | Either | Claude and ChatGPT both list voice: Claude voice mode, ChatGPT voice conversations. |
| Get a cited research report | ChatGPT | ChatGPT deep research produces structured, cited reports; Claude Research is on Pro and above. |
| Look up current facts on the web | Either | Claude and ChatGPT both include web search with citations on all plans. |
| Analyze a spreadsheet or CSV | Either | ChatGPT runs code for data analysis and charts; Claude runs code to create and edit files. |
| Get help writing code | Either | Claude offers Claude Code on Pro and above; ChatGPT offers Codex. |
| Schedule a recurring task | ChatGPT | ChatGPT Plus and above include scheduled tasks; Claude Pro lists hand off and schedule tasks (Cowork). |
| Connect to Slack, Google Workspace or GitHub | Claude | Claude lists connectors for these plus any MCP server; ChatGPT lists Office plugins and admin-controlled apps. |
| Plan | Tool | Price | Limits |
|---|---|---|---|
| Claude Free | Claude | $0 | Usage limits apply |
| Claude Pro | Claude | $20/mo, or $17/mo billed annually | More usage than Free; usage limits apply |
| Claude Max (5x and 20x) | Claude | $100/mo (5x) and $200/mo (20x) | 5x or 20x more usage than Pro; usage limits apply |
| Claude Team (Standard and Premium seats) | Claude | $25/seat/mo ($20 annually) and $125/seat/mo ($100 annually) | More usage than Pro; Premium seats get 5x more than Standard |
| Claude Enterprise | Claude | $20/seat/mo billed annually plus usage at API rates | Usage cost scales with model and task |
| ChatGPT Free | ChatGPT | $0 | Unlimited everyday text chats; separate limits on uploads, image generation, voice and data analysis |
| ChatGPT Go | ChatGPT | Not confirmed in USD | Higher limits than Free; plan may include ads |
| ChatGPT Plus | ChatGPT | $20/mo | May include usage limits such as message caps, especially during high demand |
| ChatGPT Pro (100, 200 and 500 tiers) | ChatGPT | $100/mo, $200/mo and $500/mo | Allowances vary by tier; a model may be unavailable until its allowance resets |
| ChatGPT Business (Standard and Premium seats) | ChatGPT | $25/seat/mo ($20 annually) and $125/seat/mo ($100 annually) | Minimum 2 seats; Premium has 5x more usage than Standard |
| ChatGPT Enterprise | ChatGPT | Via sales | Seat types and billing terms depend on agreement |
USD as published on each vendor's pricing page, checked Sep 30, 2026. Claude pricing in full · ChatGPT pricing in full
| Claude | ChatGPT | |
|---|---|---|
| Messages / rate limits | Usage limits on every plan; session limits reset every five hours and are shared across claude.ai, Claude Code and Desktop | Per-tool caps vary by plan and can change with demand; unlimited everyday text chats on Free |
| Context / file size | 500 MB per file, 20 files per chat; 1M-token context on newest models on paid plans | Instant model context: Free 27K, Go/Plus 54K, Pro 128K tokens; reasoning: Go/Plus 256K, Pro 400K |
| Seats / team | Team: 2-150 users | Business: minimum 2 seats; Enterprise via sales |
| Going past the limit | Usage credits at standard API rates on Pro, Max, Team and seat-based Enterprise | Credits for eligible features on personal plans; workspace credits on Business and Enterprise |
| Feature | Claude | ChatGPT |
|---|---|---|
| Image generation | No | Yes |
| Voice | Yes | Yes |
| File upload | Yes | Yes |
| Web search | Yes | Yes |
| Agents / tools | Connectors (MCP), Claude Code, Cowork | ChatGPT Work, Codex, scheduled tasks |
| API | Yes, separate pay-per-token billing | Yes, separate pay-per-token billing |
| Mobile apps | iOS and Android | iOS and Android |
| Memory | Yes | Yes |
| Claude | ChatGPT | |
|---|---|---|
| Training on your data | Free/Pro/Max: may train models unless you opt out; Team/Enterprise: no training by default; incognito chats not used | Consumer plans: may be used to improve models unless turned off or temporary chat is used; Business, Enterprise, Edu and API: not by default |
| Retention | Deleted chats removed from the back end within 30 days; incognito chats kept 30 days by default; Enterprise has custom retention | Temporary chats may be kept up to 30 days for safety; Enterprise, Edu and Healthcare control retention; consumer default not stated |
| Business controls | SSO, SCIM, audit logs, Compliance API, custom retention, HIPAA-ready configuration | SAML SSO, SCIM, role-based access, DPA, customer-controlled retention, data residency options on Enterprise |
Taken from each vendor's published policy pages at the time of our check. Policies change; the source links are at the bottom.
Support assistant: 2,500 input + 500 output tokens
| Model | Tool | Cost per answer |
|---|---|---|
| Claude Haiku 4.5 | Claude | $0.0050 |
| Claude Sonnet 5.5 | Claude | $0.0100 |
| Claude Opus 5.5 | Claude | $0.0200 |
| Claude Fable 5.1 | Claude | $0.0500 |
| gpt-6-luna | ChatGPT | $0.0005 |
| gpt-6.1-sol | ChatGPT | $0.0100 |
| gpt-5.6-sol | ChatGPT | $0.0200 |
| gpt-6-astra | ChatGPT | $0.0500 |
USD at list API prices from research/pricing/models.json; chat subscriptions are flat-rate and not included Run your own numbers in the calculator.
Anthropic's AI assistant for writing, analysis, coding and multi-step work, with free and paid plans.
Free stops at: Usage limits apply, Projects: up to 5
Free · paid from $20/mo US · checked Sep 30
OpenAI's general-purpose AI assistant for writing, research, analysis, image generation and coding help.
Free stops at: Unlimited everyday text chats subject to abuse-prevention safeguards, Separate usage limits for file uploads,…
Free · paid from $20/mo US · checked Sep 30
Neither is cheaper at the first paid step: Claude Pro and ChatGPT Plus both cost $20/mo. Claude Pro is $17/mo if billed annually, while ChatGPT individual plans have no annual option. ChatGPT's Go plan price was not confirmed in USD.
Yes, Claude and ChatGPT both have free plans. Claude Free includes web search, file creation and code execution with usage limits. ChatGPT Free offers unlimited everyday text chats, with separate limits on uploads, image generation and voice.
No, neither a Claude nor a ChatGPT chat subscription includes API usage. Claude's API runs through Claude Platform and ChatGPT's through the OpenAI API, and both are billed per token separately.
On consumer plans, Claude and ChatGPT both may use conversations to improve models unless you opt out. Claude Team and Enterprise do not train by default, and ChatGPT Business, Enterprise, Edu and API do not either.
For long documents and coding, Claude is the stronger fit: paid plans offer a 1M-token context on the newest models and Pro includes Claude Code. For images, voice with video and custom GPTs, ChatGPT is the better choice.
Claude takes PDFs up to 1000 pages and 500 MB per file, offers up to 1M tokens of context on paid plans, and includes the Claude Code terminal agent in Pro. ChatGPT Plus tops out at 256K tokens with reasoning models.
ChatGPT generates and edits images, including on the free plan with limits, supports voice with video, and lets you build custom GPTs. Claude has no native image generation.
Only official vendor pages. No third-party benchmarks, forum threads or press were used. How we review.
compare>