
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.
DeepL records 95,110,871 monthly visits with -1.7% month-over-month growth and Freemium pricing. GrammarBot records 158 monthly visits with -92.8% growth and Free pricing.

Free in-browser analyzer for grammar, readability, tone and SEO
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | deepl.com | grammarbot.app |
| Pricing Model | Freemium | Free |
| Monthly Visits | 95.11M (95,110,871) | 158 (158) |
| MoM Traffic Delta | -1.66M (-1.7%) | -2.04K (-92.8%) |
| Primary Market & Share | 🇩🇪 Germany (15.8%) | 🇺🇸 United States (79.7%) |
| Direct Visits / mo | 60.38M | 63 |
| User Rating | 4.7 | 4.2 |
| Supported Platforms | Website | Website |

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.

Free in-browser analyzer for grammar, readability, tone and SEO
Detects errors, awkward phrasing and style issues with suggestions driven by the open-source LanguageTool engine.
Flesch Reading Ease, Flesch-Kincaid, SMOG, Coleman-Liau and Dale-Chall are calculated together and shown with grade-level interpretation.
Flags whether text reads as academic, professional or casual, and reports the emotional sentiment so you can match your audience.
Weighs keyword density, content length, semantic completeness and readability against SERP averages for your target query.

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.
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, 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

AI detector, plagiarism and content-quality checks in one scan
AI detector, plagiarism and content-quality checks in one scan

A storytelling toolkit that checks your grammar and coaches your craft
A storytelling toolkit that checks your grammar and coaches your craft
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