What is GPT-1?
OpenAI's first generative pre-trained transformer model.
GPT-1 at a glance
- Category
- ChatBots
- Access
- Free
- Pricing
- Free
- Platform
- openai.com
- Last verified
- November 14, 2025
What GPT-1 is used for
GPT-1 alternatives
Other chatbots tools in the Arcyn Find directory.
GPT-2
OpenAI's 1.5B parameter model, open-sourced for research.
GPT-3.5
OpenAI's efficient language model, predecessor to GPT-4.
GPT-4
Advanced language model for text generation, reasoning, and complex tasks.
GPT-4 Turbo
Enhanced version of GPT-4 with faster responses, extended context window, and improved instruction following.
GPT-4o
OpenAI's GPT-4 Omni model with native multimodal capabilities for text, vision, and audio.
GPT-4o-mini
Smaller, faster, and more affordable version of GPT-4o optimized for efficiency and speed.
Claude 3.5 Sonnet
Anthropic's advanced Claude 3.5 Sonnet model with improved reasoning, coding, and multimodal capabilities.
Gemini 1.5
Google's latest multimodal AI with extended context window and enhanced capabilities.
Try GPT-1
Opens the official GPT-1 website.
Visit openai.com