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Puter
developer.puter.com › tutorials › free-unlimited-claude-35-sonnet-api
Free, Unlimited Claude API
November 24, 2025 - That's it! You now have free, unlimited access to Claude capabilities using Puter.js. This allows you to leverage Claude's advanced language understanding and generation abilities without worrying about API keys or usage limits.
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Laozhang
blog.laozhang.ai › api-guides › claude-4-api-free-access
Claude 4 API Free: 3 Methods for Unlimited Access in 2025 – LaoZhang-AI
Access Claude 4 API completely free through three proven methods: Puter.js offers unlimited usage without any API keys or backend requirements, Claude.ai provides free Sonnet 4 access with generous daily limits, and LaoZhang.ai gives new users $10 in free credits sufficient for 100,000+ tokens.
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GitHub
github.com › hassanmsthf11 › unlimited-claude-AI
GitHub - hassanmsthf11/unlimited-claude-AI: Claude AI. No backend, no server costs, 100% free.
100% Free Access: Leverages the free tier of Puter.js to interact with the Claude API at no cost.
Starred by 12 users
Forked by 7 users
Languages   HTML 97.0% | Batchfile 3.0%
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Cursor IDE
cursor-ide.com › blog › claude-ai-free-unlimited
How to Use Claude AI Free Unlimited: 7 Working Methods (2025) - Cursor IDE 博客
September 27, 2025 - Puter.js represents the most elegant solution for accessing Claude AI free unlimited. This JavaScript library, available at js.puter.com, implements a revolutionary "User Pays" model that completely sidesteps traditional API key requirements.
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Reddit
reddit.com › r/claudeai › easiest way to use claude api to avoid daily limits
r/ClaudeAI on Reddit: Easiest way to use Claude API to avoid daily limits
April 13, 2024 -

I switched from GPT-4 to now mostly using Claude 3, but the daily message limits are annoying. Also, I really like the ChatGPT interface better. Claude is missing a features like a button to STOP when it’s streaming a long response that is bad.

I use this project to get my own front-end for Claude 3. It uses the API so I have no daily limit to messages, and I get to use a chat interface that has all the features ChatGPT has. Even if you’re not very technical, it’s easy to set up. https://github.com/allyourbot/hostedgpt

It supports both GPT-4 and Claude 3 so it lets you do really cool things like you’re having a conversation with one of them and you don’t like it’s response, you click the “re-generate” button and you can switch assistants mid-conversation. This animated gif demonstrates. The other day I asked it a technical question and switched assistants and finally got the right answer! https://p425.p0.n0.cdn.zight.com/items/ApuPWXb6/c413f8dc-519f-4f5f-b250-45a7688b99d1.gif

It’s also really nice to have access to both GPT-4 and Claude 3 without committing to $20 per month to either. I just get charged for what I use. For example, OpenAI released a new version of the GPT-4 model last week I’ve been going back to it to see how much they improved it. (I don’t have a well-formed opinion yet).

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GitHub
github.com › usualdork › EndlessClaude
GitHub - usualdork/EndlessClaude: A modern, responsive web interface for unlimited free access to Claude AI, with no signups, no usage limits, and completely free forever. This project provides a clean, Discord-inspired chat interface for having unlimited conversations with Claude AI.
A modern, responsive web interface for unlimited free access to Claude AI, with no signups, no usage limits, and completely free forever. This project provides a clean, Discord-inspired chat interface for having unlimited conversations with ...
Starred by 37 users
Forked by 19 users
Languages   HTML
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TypingMind
blog.typingmind.com › home › claude rate exceeded: guide to fix and prevent the error
Claude Rate Exceeded: Guide to Fix and Prevent the Error
October 9, 2025 - Rather than being limited by the flat rate of $20 per month for the Claude model, the Claude API on TypingMind allows you to manage your expenses fully: Use it sparingly? You’ll pay less. Use it extensively? You’ll only pay for what you use with unlimited access.
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Puter
developer.puter.com › tutorials › free-unlimited-claude-37-sonnet-api
Free, Unlimited Claude 3.7 Sonnet API
April 3, 2025 - That's it! You now have free, unlimited access to Claude 3.7 Sonnet capabilities using Puter.js. This allows you to leverage Claude's advanced language understanding and generation abilities without worrying about API keys or usage limits.
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Claude UI
claudeui.com
Claude AI Interface - Unlimited Conversations | Claude UI Pro
Break free from Claude.ai's 5-message daily limit. Claude UI offers unlimited AI conversations, advanced file processing, and all Claude models. Get 10 free messages every 3 hours or upgrade to 500 daily messages.
Find elsewhere
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IntuitionLabs
intuitionlabs.ai › home › articles › claude pricing explained: subscription plans & api costs
Claude Pricing Explained: Subscription Plans & API Costs | IntuitionLabs
3 days ago - Claude Code Access – Pro users ... assistant inside development workflows. Unlimited Projects – Organize chats and documents into an unlimited number ......
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Apidog
apidog.com › blog › claude-api-rate-limits
Hitting Claude API Rate Limits? Here's What You Need to Do
October 21, 2025 - In the world of AI-powered applications, Anthropic's Claude API has become a go-to solution for many developers seeking advanced language processing capabilities. However, as with any popular service, you're likely to encounter rate limits that can temporarily halt your application's functionality.
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Reddit
reddit.com › r/claudeai › claude api limits
r/ClaudeAI on Reddit: Claude API limits
September 13, 2024 -

I’ve been using the free chat on the website for 3.5 sonnet for coding but it keeps reaching the limit. Is the API unlimited or at least way longer? And does the API work as good?

Top answer
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I HAVE ALREADY TALKED ABOUT IT, SO I WILL JUST COPY TEXT BELOW ================================================= SOLUTION Using Claude through API is solution to many problems (limits reached, Claude errors etc.). In API you pay small price per message (like $0.005). Recommended way of chating with Claude API is through bring-your-own-key (BYOK) app. Ones I would recommend are LibreChat , TypingMind  and CheapAI . They even give Claude additional abilities such as web browsing. First two are really powerful, but potentially expensive, require complex setup/maintenance or are overwhelming to use. CheapAI is my free personal project and easiest/fastest to use, but simpler then first two. However, it has many powerful features and is more than enough for most tasks. It is designed to be as beginner friendly as possible. I use Claude official app as much as I can, and jump to BYOK app when I hit limit in official app. With this approach, I save 15€-20€ per month, because I remain on free plan and do not need to subscribe to pro. I would recommend you do the same. SOLUTION SUMMARY When you official Claude app starts being annoying (limit reached, model being stupid etc.), switch to BYOK app. Use TypingMind/LibreChat if you want something really powerful, but you are ok with additional paying or potential overwhelming complexity. Use CheapAI if you want to fast/easy solution with little less features, but still more then enough for most tasks. Me and my friends use it for same reason as you, coding, and for that it is perfect. Links are above!
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If you set a amount of maximum $ for API use the API will tell you you've reach the API limit. I was set 10$ per month of limit thinking that it's for API auto renewall but i've reach 10$ of API use in this month and stopped. Remove or raise your montly API limit in Anthropic API Billing section, Resolved.
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Pickaxe
pickaxe.co › post › how-to-get-your-claude-api-key-a-step-by-step-guide
How to get your Claude API key: A step-by-step guide (2025) - Pickaxe Blog
For example, Pickaxe's no-code AI app builder allows users to enter their own API key. This allows them to enjoy near unlimited usage of their embedded AI tools and AI studios not worry about having enough credits or usage.
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Vuink
vuink.com › post › qrirybcre-d-dchgre-d-dpbz › tutorials › free-unlimited-claude-35-sonnet-api
Free, Unlimited Claude API
This tutorial will show you how to use Puter.js to access Claude's advanced AI capabilities (such as Claude Sonnet 4.5, Claude Opus 4.5, Claude Haiku 4.5) for free, without any API keys, backend, or servers.
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16x Prompt
prompt.16x.engineer › blog › claude-daily-usage-limit-quota
What's Claude AI Daily Usage Limit Quota? (Free vs Pro) | 16x Prompt
The rate limits of Claude API are quite generous compared to the web interface, with Tier 1 users having a limit of 50 requests per minute to Claude 3.5 Sonnet.
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FastGPTPlus
fastgptplus.com › en › posts › claude-opus-45-free-api
Claude Opus 4.5 Free API: 7 Ways to Access Anthropic's Best Model Without Paying (November 2025) | FastGPTPlus
1 month ago - Yes, you can access Claude Opus 4.5 API for free through 7 legitimate methods. The official Anthropic route gives you $5 in credits (about 333K Opus tokens), while Puter.js offers unlimited free access for web applications.
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AI Free API
aifreeapi.com › en › posts › claude-api-free-credits-guide
Claude API Free Credits Guide 2025: Get $5 to $5000+ in Legitimate Ways - Unlock Free Claude API Access: From $5 Official to $10+ Gateway Credits | AI Free API
July 11, 2025 - While not technically "free credits," these methods achieve the same goal: Claude access without upfront payment. Web-based access through Claude.ai provides unlimited free usage for individual users, though without API integration.
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Claude
support.claude.com › en › articles › 12429409-extra-usage-for-paid-claude-plans
Extra Usage for Paid Claude Plans | Claude Help Center
Configure your spending preferences. Click “Adjust limit” to control costs with a monthly spending cap. You can also select “Set to unlimited” if you prefer no spending restrictions:
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Reddit
reddit.com › r/claudeai › monthly subscription to get claude api?
r/ClaudeAI on Reddit: Monthly subscription to get Claude API?
June 6, 2023 -

Hello, sorry if this is a dumb question.

I would like to use Claude Opus in a note-taking app through a plugin, which requires the use of API. Paying the normal cost of the API would be extremely expensive for my use, so the ideal case would be to pay 20$ a month for "unlimited" use (apart from usage caps) with API, as for those paying for Claude Pro.

Is there a way to do that? I tried myself there https://console.anthropic.com/settings/plans , without success.

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ClaudeLog
claudelog.com › home › faqs › claude limit
ClaudeLog - Claude Code Docs, Guides, Tutorials & Best Practices
Track via /usage command in Claude Code or Settings → Usage in Claude apps · Rate limits: Typically resolve within minutes to hours · Context windows: Cleared by starting new sessions or using compaction · Usage monitoring: Track consumption patterns to predict limit approaches · Strategic timing: Plan intensive tasks around reset cycles · Model optimization: Choose appropriate complexity for each task · Platform distribution: Balance usage across web interface and API access