Last updated: April 2026
ChatGPT (OpenAI) and Claude (Anthropic) are the two most widely used AI assistants in 2026. Here's how they compare across the tasks that matter most.
| Category | ChatGPT (GPT-4o) | Claude (Sonnet 3.7) |
|---|---|---|
| Writing Quality | Strong, versatile | Better tone control, less repetitive Edge |
| Coding | Strong with o-series models Edge | Strong, dominant in agentic tools (Cursor, Claude Code) |
| Reasoning | o1/o3 models best in class Edge | Excellent on complex multi-step tasks |
| Context Window | 128K tokens | 200K tokens Edge |
| Web Browsing | Yes (ChatGPT Plus) Edge | Limited (via integrations) |
| Image Generation | Yes (DALL-E 3 built in) Edge | No native image generation |
| Free Tier | GPT-4o with limits | Claude Sonnet with limits |
| Paid Plan | $20/mo (Plus) | $20/mo (Pro) |
| API Access | Yes (OpenAI API) | Yes (Anthropic API) |
| Privacy / Safety | Standard | Constitutional AI approach Edge |
Choose ChatGPT when you need:
Choose Claude when you need:
For most users, both are excellent and the free tiers are sufficient for casual use. Power users should try both. Writers and developers working on complex tasks tend to prefer Claude. Users who want the broadest feature set — image generation, plugins, voice — tend to prefer ChatGPT.
See the full AI model release tracker for a complete history of releases.