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GitHub
github.com › galaxyapi › claude-3
GitHub - galaxyapi/claude-3: Free Proxy to access Claude-3 API. Anthropic key not required 🔐. It uses OpenAI format api to easily integrate on any Openai supported frontend.
Free Proxy to access Claude-3 API. Anthropic key not required 🔐. It uses OpenAI format api to easily integrate on any Openai supported frontend. - galaxyapi/claude-3
Starred by 111 users
Forked by 8 users
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CometAPI
cometapi.com › how-to-get-claude-free-api
How to get Claude Free APIs? 3 Ways! - CometAPI - All AI Models in One API
July 8, 2025 - Among Claude’s model lineup—Haiku, Sonnet, and Opus—Sonnet 4 is uniquely available to free users. This hybrid model provides both rapid-response (“near-instant”) and extended reasoning (“think longer”) modes, enabling developers ...
Discussions

Use Claude 3 Opus from the API to prevent paying a flat $20/month for it
Okay... but Opus is $75 per million tokens. For someone that uses it as a chatbot (not night and day by any means), how does that stack up to $20/month (roughly)? More on reddit.com
🌐 r/ClaudeAI
69
67
March 27, 2024
Claude 3 was released today
This thing smokes ChatGPT in terms of text analysis and generation. Its not even close right now, far more human tone and does not get stuck generating the same kinds of words / phrases that you see with chatgpt. More on reddit.com
🌐 r/ChatGPT
253
709
August 8, 2023
Claude 3 available in a Coding Copilot, for free
I'm the tweet author, bit of a shameless plug but I figured we are all equally excited to see a model overtake GPT-4 Making it super easy for anyone to try Claude 3 via our VS Code extension (can get it here ), giving it out 100% for free so everyone can get a chance to try it. And yes, I'm talking about Claude 3 Opus :) More on reddit.com
🌐 r/ClaudeAI
79
19
October 2, 2023
Free Opensource version of GPT-3.5, GPT-4, claude, claude+, claude-instant, claude-instant-100k

привет олень

More on reddit.com
🌐 r/Free_GPT
5
9
December 24, 2021
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Puter
developer.puter.com › tutorials › free-unlimited-claude-35-sonnet-api
Free, Unlimited Claude API
1 month ago - Getting StartedExample 1: Basic Text Generation with Claude Sonnet 4.5Example 2: Streaming Responses for Longer QueriesExample 3: Using different Claude modelsAvailable ModelsRelated · 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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DataCamp
datacamp.com › tutorial › getting-started-with-claude-3-and-the-claude-3-api
Getting Started with Claude 3 and the Claude 3 API | DataCamp
March 13, 2024 - To access Claude 3 Opus for free, you have to sign up for Anthropic API: console.anthropic.com.
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AWS
docs.aws.amazon.com › amazon bedrock › user guide › amazon bedrock foundation model information › inference request parameters and response fields for foundation models › anthropic claude models › anthropic claude messages api
Anthropic Claude Messages API - Amazon Bedrock
3 days ago - This topic shows how to use the Anthropic Claude messages API with the base inference operations (InvokeModel or InvokeModelWithResponseStream). However, we recommend that you use the Converse API to implement messages in your application. The Converse API provides a unified set of parameters ...
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Claude
claude.ai
Claude
Talk with Claude, an AI assistant from Anthropic
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Reddit
reddit.com › r/claudeai › use claude 3 opus from the api to prevent paying a flat $20/month for it
r/ClaudeAI on Reddit: Use Claude 3 Opus from the API to prevent paying a flat $20/month for it
March 27, 2024 -

I highly recommend using Claude 3 Opus from the API, especially if you just want to try it out. It’s not free but the API doesn’t require an upfront flat fee and doesn’t have rate limits etc!

There’s some options for desktop like TypingMind.

For iOS I wanted to suggest my app called Pal Chat that lets you use your own API Key to chat with Claude, and it’s completely free to download: https://apps.apple.com/us/app/pal-ai-chat-client/id6447545085

(The app also has no backend and takes absolutely no usage data. You can verify this by going to the app privacy report in iOS settings!)

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Anthropic
anthropic.com › news › claude-3-5-sonnet
Introducing Claude 3.5 Sonnet
Claude 3.5 Sonnet is now available for free on Claude.ai and the Claude iOS app, while Claude Pro and Team plan subscribers can access it with significantly higher rate limits. It is also available via the Anthropic API, Amazon Bedrock, and Google Cloud’s Vertex AI.
Find elsewhere
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Claude
claude.com › platform › api
Claude Developer Platform | Claude
Allow Claude to interact with hundreds of external tools and APIs so it can perform a wider range of tasks.
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Anthropic
anthropic.com › api
Claude Developer Platform
Allow Claude to interact with hundreds of external tools and APIs so it can perform a wider range of tasks.
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Anthropic
anthropic.com › news › claude-3-family
Introducing the next generation of Claude
... Opus and Sonnet are available to use today in our API, which is now generally available, enabling developers to sign up and start using these models immediately. Haiku will be available soon. Sonnet is powering the free experience on claude.ai, with Opus available for Claude Pro subscribers.
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Favtutor
favtutor.com › articles › claude-3-access
How to Access Claude 3: Anthropic’s AI Models? (Haiku Update)
April 9, 2024 - To get access to Claude 3’s Sonnet, Opus and Haiku models you will need API access. You can get free API access when you log in to Claude 3 via console.anthropic.com.
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Anthropic
anthropic.com › news › claude-3-7-sonnet
Claude 3.7 Sonnet and Claude Code
Claude 3.7 Sonnet is now available on all Claude plans—including Free, Pro, Team, and Enterprise—as well as the Claude Developer Platform, Amazon Bedrock, and Google Cloud’s Vertex AI.
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Apidog
apidog.com › blog › claude-3-api
Guide: What is Claude 3 API and How to Use it?
July 28, 2025 - With an even more powerful AI model ... advanced API model, Claude 3 Opus, surpasses all AI models that exist, all Claude 3 services are not free to use....
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GeeksforGeeks
geeksforgeeks.org › gblog › getting-started-with-claude-3-and-the-claude-3-api
Getting Started with Claude 3 and the Claude 3 API - GeeksforGeeks
July 23, 2025 - If you want to access Claude 3 Opus, you can sign in to Anthropic API and then click on the Workbench tap where you can select the Claude 3 Opus model. This is a very responsive chat interface that can be easily accessed by signing in the ...
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Apidog
apidog.com › blog › use-claude-3-7-sonnet-free
Three Ways to Use Claude 3.7 Sonnet for Free
October 23, 2025 - Has Claude 3.7 Sonnet Been Removed from the Free Plan?1. Accessing Claude 3.7 Sonnet for Free Through CursorLeveraging GitHub Copilot's Free Trial for Claude 3.7 Sonnet Access3. Free Access to Claude 3.7 Sonnet Using TraeConclusion: How to Continue Using Claude 3.7 Sonnet Without Paying ... Discover proven strategies that separate successful API technical writers from those who struggle.
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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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TextCortex
textcortex.com › home › blog posts › how to access claude 3?
How to Access Claude 3?
March 9, 2024 - Each model has its own intelligence ... follow the simple steps to sign up for free and start using the Opus model by clicking on the Workbench tab and selecting the “claude-3-opus-20240229” model....