
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Corrector App records 121,286 monthly visits with -44.9% month-over-month growth and Free pricing. DeepL records 95,110,871 monthly visits with -1.7% growth and Freemium pricing.
Free online grammar, spelling and punctuation checker
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | topai.tools | deepl.com |
| Pricing Model | Free | Freemium |
| Monthly Visits | 121.29K (121,286) | 95.11M (95,110,871) |
| MoM Traffic Delta | -98.65K (-44.9%) | -1.66M (-1.7%) |
| Primary Market & Share | 🇺🇸 United States (38.2%) | 🇩🇪 Germany (15.8%) |
| Direct Visits / mo | 54.88K | 60.38M |
| User Rating | 3.7 | 4.7 |
| Supported Platforms | Website | Website |
Free online grammar, spelling and punctuation checker
Highlights grammatical mistakes and suggests clearer, more correct alternatives as you write.
Catches misspelled words and common typos, including repeated or missing letters.
Flags misplaced or missing commas, periods, and other punctuation marks.
Works with several languages in addition to English for multilingual proofreading.

Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
Translates whole PDF, Word (.docx), PowerPoint (.pptx), Excel (.xlsx), and HTML files up to 30 MB (Individual/Team) or 100 MB (Business/Enterprise) while keeping original fonts, tables, slides, and visual formatting intact.
Ensures consistent brand and technical terminology across language pairs using CSV-importable shared glossaries, automated glossary generation, shared style rule lists, and translation memory.
Enhances original drafts and translated copy with real-time sentence rewrites, word alternatives, and one-click tone adjustments (e.g., Business, Academic, Casual, Diplomatic) via browser, desktop, and Microsoft 365/Google Workspace add-ins.
Provides real-time spoken language translation and live multilingual captions for video conferences and mobile in-person dialogues, with 30 minutes per user per month included in paid DeepL Pro plans.

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.

SpecialistCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
SpecialistCross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
SpecialistParaphrase, proofread and summarize text with an AI writing workspace
SpecialistParaphrase, proofread and summarize text with an AI writing workspace
AI content detection and a full writing toolkit in one place
AI content detection and a full writing toolkit in one place
AI detection and writing verification built for schools and editors

Academic proofreading, plagiarism checking and AI-powered writing tools in one place
Academic proofreading, plagiarism checking and AI-powered writing tools in one place

AI detector, plagiarism and content-quality checks in one scan
AI detector, plagiarism and content-quality checks in one scan
AI translation for text, images, documents and speech in 100+ languages
AI translation for text, images, documents and speech in 100+ languages
Professional AI translation for text, documents, images and audio

Multilingual AI detector with sentence-level insight
Multilingual AI detector with sentence-level insight