Grok vs OpenAI: comparison (2026)
Side-by-side comparison of Grok and OpenAI across 9 verified specs. Only populated fields are shown — empty cells are omitted.
OpenAIOpenAI's main chat interface, supporting GPT-4o, image input, voice, browsing, and DALL-E generation
81/100
Visit OpenAIFeature comparison
| Feature | Grok | OpenAI |
|---|---|---|
| Pricing | Free | Freemium |
| Price from | $30/mo | $8/mo |
| Free tier | Yes | Yes |
| API | Yes | Yes |
| Open source | No | No |
| Platforms | Web | Desktop |
| Models | Grok | Openai |
| Context window | 128k | 128k |
| Launched | 2014 | 2025 |