OpenAI
🌍 International ✅ Free
OpenAI is the world's most well-known AI company, creator of ChatGPT. Offers GPT-5 series, DALL-E, Whisper and more. $5 free API credits for new accounts. ChatGPT free tier offers unlimited GPT-5.2 mini access. Requires VPN access from China.
🎁 Free Tier
Daily Limit: ChatGPT free tier unlimited
| Model | Context | Limit | Notes |
|---|---|---|---|
| GPT-5.2 | 128k | 80 RPM | Latest flagship model, strong multimodal capabilities |
| GPT-5.4 mini | 128k | 200 RPM | Lightweight fast model, cost-effective |
| GPT Image 2 | N/A | 50 RPD | Latest image generation model |
🔑 Free API
Free Credits: $5
Rate Limit: 3 RPM (free tier)
$5 free credits for new accounts, valid for 3 months, pay-as-you-go after