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2 / 4 Tools
| Attribute | ChatGPT by OpenAI | Grammarly by Grammarly Inc. |
|---|---|---|
| Category | AI Chat Subcategory: Conversational Assistant | Writing Subcategory: Writing Assistant |
| Rating & Reviews | ★New / 5.0 0 verified reviews Weighted score: 0.00 | ★New / 5.0 0 verified reviews Weighted score: 0.00 |
| Pricing Model | freemium | freemium |
| Starting Price | $20/mo Free tier with GPT-4o mini; Plus subscription at $20/month for frontier reasoning and priority features. | $12/mo Free basic spelling and grammar checks; Premium at $12/month (annual) unlocks tone suggestions and generative rewrites. |
| Platforms | WebiOSAndroidmacOSWindows | WebWindowsmacOSChromeiOSAndroid |
| AI Capabilities | Natural Language UnderstandingComplex ReasoningVoice InteractionCode GenerationDocument Analysis | Real-Time Style & Tone AnalysisFull-Sentence RewritesPlagiarism DetectionGenerative PromptingDesktop-Wide Overlay |
| Overview | OpenAI conversational assistant featuring GPT-4o, reasoning models o1 & o3-mini, Advanced Voice mode, and deep canvas workspace. | Pervasive AI communication assistant offering real-time grammar correction, tone adjustment, and generative rewrites. |
| Tags | chatassistantopenaiproductivitymultimodal | grammarwritingeditingproductivitycommunication |
