ChatGPT vs Grammarly
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A detailed comparison of ChatGPT and Grammarly in 2026 — features, pricing, and which tool is right for you.
| ChatGPT | Grammarly | |
|---|---|---|
| Rating | ★ 4.7/5 | ★ 4.5/5 |
| Pricing type | Freemium | Freemium |
| Starting price | $20/mo (Plus) | $12/mo |
| Category | AI Chatbots & Assistants | AI Writing & Content |
| Founded | 2022 | 2009 |
| Key features | GPT-4o & GPT-4.1 models, Vision (image understanding), Voice mode | Real-time grammar correction, Tone adjustment, GrammarlyGO (generative) |
ChatGPT
The world's most popular conversational AI assistant
OpenAI's ChatGPT is an all-purpose AI chatbot that handles writing, coding, analysis, translation, and thousands of other tasks. The GPT-4o version supports images, voice, and web browsing.
Pros- Broad knowledge and natural responses
- Large plugin/GPTs ecosystem
- Solid free tier
- Message limits on the Plus plan
- Can occasionally "hallucinate" facts
- Knowledge can be outdated
Grammarly
AI grammar and writing assistant
Grammarly checks grammar, spelling, and tone, and now includes GrammarlyGO for AI-generated and rewritten content. It works everywhere you type.
Pros- Works everywhere (web, apps, extensions)
- Excellent error correction
- Useful free plan
- Primarily English-focused
- Full feature set requires Premium
ChatGPT vs Grammarly: Which one should you choose?
If you prioritize broad knowledge and natural responses, ChatGPT is worth considering. Conversely, if works everywhere (web, apps, extensions) matters more to you, go with Grammarly. Both offer a free trial option, so it is best to try them out yourself before deciding.