Short answer
Neither free plan is better for everyone. Claude Free is a reasonable first try if you want its listed Projects and built-in tools. ChatGPT Free is a reasonable first try if you want its listed web search, data analysis, file and image uploads, image creation, and access to existing GPTs. The official plan information does not establish a universal winner for answer quality; compare both on the work you actually do. Both plans have limits. (claude.com)
A note on projects: Anthropic lists up to five Projects on Free. OpenAI describes ChatGPT Projects, but says availability depends on the plan and workspace settings; its documentation does not specifically confirm that Projects are available to every Free account. Check your own account rather than assuming they are included. (claude.com)
Consumer-app access is separate from production API billing. Using either app’s free plan does not by itself cover API use in your product. (help.openai.com)
Claude Free vs. ChatGPT Free
| What matters | Claude Free | ChatGPT Free |
|---|---|---|
| Price | $0. (claude.com) |
Free to use. (help.openai.com) |
| Projects | Up to five Projects. (claude.com) |
Projects group chats, files, and instructions, but availability depends on plan and workspace settings. The cited help page does not specifically confirm Free-plan access. (help.openai.com) |
| Listed tools | The plan page lists web search, file creation and code execution, memory across conversations, connectors, and Artifacts. (claude.com) |
The Free Tier FAQ lists web search, data analysis, image and file uploads, image creation, and use of existing GPTs. (help.openai.com) |
| Models and limits | The plan page lists Sonnet and Haiku for Free, with limited usage over five-hour sessions and weekly periods. How quickly a limit is reached depends on the model, conversation length, and file size. (claude.com) |
The default model and available limits can change. Everyday text chats are listed as unlimited subject to safeguards, while model access and tools have separate limits. The app shows reset timing when a limit applies. (help.openai.com) |
| Create your own GPTs | Not applicable. | Personal Free accounts cannot create or publish GPTs, but can use existing GPTs. (help.openai.com) |
Features and limits can change. For ChatGPT, check the current account experience and in-product limit notices. For Claude, usage depends in part on the model and how much text or file content a conversation uses. (help.openai.com)
Which free plan is the better fit?
- Try Claude Free first if having up to five named Projects and the tools Anthropic lists for Free suits your workflow. This is a feature-based reason to try it, not evidence that it gives better answers. (
claude.com) - Try ChatGPT Free first if you want its documented free-plan access to web search, data analysis, image and file uploads, image creation, or existing GPTs. Those tools have separate limits, and personal Free accounts cannot create new GPTs. (
help.openai.com) - For writing, coding, or short questions, the official plan information cited here does not establish a universal answer-quality winner. Try the same representative task in both apps and compare the results.
- For longer or frequent use, don't assume unlimited access to every model or tool. Claude lists five-hour and weekly usage limits; ChatGPT applies separate model and tool limits. Check the limits shown in your account. (
claude.com)
A 2025 third-party developer article preferred Claude Projects for sustained coding and documentation work and ChatGPT for brief questions. Its author described the test as anecdotal, and the article contains conflicting reported task totals and usage limits. Treat it as historical context, not a current benchmark or reliable quota comparison.
Free consumer access is not production API access
Using Claude Free or ChatGPT Free in the consumer app does not by itself cover API use in your own product. OpenAI says API billing is separate from ChatGPT subscriptions; new API accounts use prepaid billing. Anthropic says most organizations pay for Claude API usage with prepaid credits, while organizations with an invoicing arrangement are billed monthly. (help.openai.com)
API pricing depends on the model and usage. The providers’ pricing pages list standard input and output prices in USD per million tokens for the models below:
| API model | Input / 1M tokens | Output / 1M tokens |
|---|---|---|
| Anthropic Claude Sonnet 5.5 | $2 | $10 (platform.claude.com) |
| OpenAI GPT-6.1 Sol | $2 | $10 (developers.openai.com) |
| OpenAI GPT-6.1 Terra | $1 | $5 |
These rates do not mean the models have equivalent capabilities. For GPT-6.1 Sol specifically, requests with more than 272,000 input tokens are priced at higher input and cache rates and at 1.5 times the standard output rate for the full request. Do not assume that threshold applies to GPT-6.1 Terra. Tools and other billable features can also affect cost; check the applicable model and rate card before budgeting. (developers.openai.com)
Illustrative budget: Suppose a workload uses 1 million input tokens and 200,000 output tokens, across requests that qualify for the standard rates above. The token charge would be:
- Claude Sonnet 5.5 or GPT-6.1 Sol: (1 × $2) + (0.2 × $10) = $4.
- GPT-6.1 Terra: (1 × $1) + (0.2 × $5) = $2.
This is a token-cost estimate, not a full production budget. It excludes separately billed tools and does not guarantee that your account can send requests at the throughput you need. API rate limits depend on the model and usage tier; check the active limits for your account. (developers.openai.com)
A simple way to choose
Try both free plans on tasks you actually do: a short question, a task involving your files, and a multi-turn project. Note whether the relevant feature is available in your account, whether the response is useful, how many follow-ups you need, and whether a usage limit interrupts you. If you are building a product, estimate input and output token volumes separately and use the official API rate cards—not a consumer-plan price.
Bottom line: Claude Free is worth trying if its listed tools and five-Project allowance fit your needs. ChatGPT Free is worth trying if you want its documented mix of tools and access to existing GPTs. Neither is a proven universal winner; choose based on the features and limits your own work encounters.
Sources
Plans & pricing | Claude by Anthropic
Projects in ChatGPT | OpenAI Help Center
ChatGPT Free Tier FAQ | OpenAI Help Center
Creating and editing GPTs | OpenAI Help Center
Managing billing for ChatGPT and the API platform | OpenAI Help Center
Setting up and managing prepaid API billing | OpenAI Help Center
How do I pay for my Claude API usage? | Claude Help Center
Pricing | Claude Platform Docs
GPT-6.1 Sol model documentation | OpenAI API
Claude vs ChatGPT: Best Free AI for Developers? [30-Day Test]