ChatGPT vs Grammarly: compare pricing, features, ratings, and best use cases to pick the right tool for your one-person business.
ChatGPT
Freemium — $20/mo
OpenAI's all-round AI assistant for writing, coding, vision, voice and research, with a genuinely useful free tier.
Best for
- Students and professionals wanting one general assistant
- Developers for coding support and debugging
- Anyone new to AI looking for an easy, capable default
Pros
- Broadest usable versatility of the major assistants
- Genuinely useful free tier
- Fast, intuitive, huge integrations ecosystem
- Strong multimodal (vision + voice) support
Cons
- Can hallucinate; important claims still need checking
- Not always the deepest long-form writing quality
- Usage caps on free and even Plus tiers under load
Grammarly
Freemium — free tier; Premium $12/mo
AI grammar, clarity, and tone checker that polishes everything you write.
Best for
- Anyone publishing written work
- Non-native English writers
Pros
- Ubiquitous across apps
- Fast, low-friction
Cons
- Premium paywalled features
- Can over-correct voice
Not sure yet? Browse all AI tools or see ChatGPT alternatives and Grammarly alternatives.