by OpenAI
ChatGPT is the most widely used AI assistant, handling writing, coding, analysis and image generation through a single chat interface. GPT-4o brings realtime voice, vision and a built-in code interpreter to every conversation — strong all-rounder, though rivals now lead on context length and writing quality.
Click a tier to see full details
| Model | Context | Price | Note |
|---|---|---|---|
| GPT-4o | 128K | Free · $20/mo | Multimodal flagship |
| GPT-4o mini | 128K | Free | Fast + cheap default |
| o3 | 200K | $20/mo | Deep reasoning model |
| o3-mini | 200K | Free · $20/mo | Affordable reasoning |
| o1 | 200K | $20/mo | First-gen reasoning |
| GPT-4.1 | 1M | $20/mo | Long-context coding |