Free GPT API Without Credit Card: 8 Verified Providers in 2026
Use GPT-class models for free without a credit card in 2026. Compare 8 providers offering free GPT API access with no payment method required. GitHub Models, Groq, and more.
Quick answer: Yes, you can use GPT-class models for free without a credit card. GitHub Models offers GPT-4o-mini with 150 free requests per day. Groq provides fast Llama and Mixtral models at 30 RPM. LLM7.io gives anonymous access with 30 RPM using "unused" as your key.
Why Avoid Credit Card Requirement?
Many developers and students cannot or prefer not to enter credit card information:
- Security concerns about storing payment details
- No international credit card available
- Budget constraints for experimental projects
- Quick prototyping without billing setup
Providers with Free GPT Access (No Credit Card)
| Provider | Free Model Access | Rate Limit | Signup Required | Iran Access |
|---|---|---|---|---|
| GitHub Models | GPT-4o-mini, GPT-4o, others | 150 RPD | GitHub account | ✅ Direct |
| Groq | Llama 3, Mixtral, Gemma | 30 RPM | Email only | ⛔ Blocked |
| LLM7.io | Multiple models | 30 RPM | No (anonymous) | ✅ Direct |
| Kilo Gateway | Multiple models | 200 RPH | No (anonymous) | ✅ Direct |
| SambaNova Cloud | Llama, Qwen models | 20 RPD | Email only | ✅ Direct |
| OpenRouter | 10+ free models | 50 RPD | Email only | ⛔ Blocked |
| SiliconFlow | Qwen, DeepSeek models | 30 RPM | Email (China) | 🧾 Signup blocked |
| FreeTheAI | 60+ models | 250 RPD | Discord | ❔ Unknown |
Getting Started with GitHub Models (Best Free Option)
GitHub Models is the easiest free GPT API without a credit card:
- Sign in to GitHub Marketplace Models
- Generate a GitHub personal access token
- Use the Azure AI endpoint
from openai import OpenAI
client = OpenAI(
base_url="https://models.inference.ai.azure.com",
api_key="YOUR_GITHUB_TOKEN",
)
response = client.chat.completions.create(
model="gpt-4o-mini",
messages=[{"role": "user", "content": "Hello!"}],
)Anonymous Access (No Signup Required)
Two providers require zero registration:
- LLM7.io: Use
"unused"as the API key for anonymous access at 30 RPM - Kilo Gateway: Send requests with no authentication at 200 RPH
Frequently Asked Questions
Can I get GPT-4 API for free without a credit card?
GitHub Models provides access to GPT-4o and GPT-4o-mini models with 150 free requests per day. No credit card is required — only a GitHub account.
Which free GPT APIs have the highest rate limits?
Groq offers 30 RPM (the highest), followed by LLM7.io at 30 RPM (anonymous) and GitHub Models at 150 RPD. For daily volume, GitHub Models' 150 RPD is among the most generous.
Are free GPT APIs without credit card safe?
Yes, reputable providers encrypt your API communications and most do not store prompt content. GitHub Models uses Azure infrastructure. Always check the privacy policy of each provider.
Can I use these free GPT APIs from Iran?
GitHub Models, LLM7.io, Kilo Gateway, and SambaNova Cloud are all verified working from Iran directly. Groq and OpenRouter are blocked. Check the catalog for current status.
What's the catch with free GPT APIs?
Free APIs have lower rate limits, fewer model choices, and no SLA guarantees. They are ideal for development, testing, and low-traffic personal projects but not for high-volume production.
Quick Reference: Free GPT API Endpoints
| Provider | Base URL | Auth Method |
|---|---|---|
| GitHub Models | https://models.inference.ai.azure.com | GitHub Token |
| Groq | https://api.groq.com/openai/v1 | API Key |
| LLM7.io | https://api.llm7.io/v1 | "unused" or Token |
| Kilo Gateway | https://api.kilo.ai/v1 | None or API Key |
| SambaNova | https://api.sambanova.ai/v1 | API Key |
Related Guides
- Free AI API guide — complete overview of free AI APIs
- Free LLM API list — full comparison of all free LLM APIs
- AI API Iran — providers verified working from Iran
- OpenAI API alternatives — broader OpenAI-compatible options
Browse the complete live catalog for detailed information on all 22 providers. Star the GitHub repository to support this project.