
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. StealthWriter records 2,887,114 monthly visits with +15.5% growth and Freemium pricing.
Humanize AI text and check how human it reads
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | deepl.com | stealthwriter.ai |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 95.11M (95,110,871) | 2.89M (2,887,114) |
| MoM Traffic Delta | -1.66M (-1.7%) | +387.76K (+15.5%) |
| Primary Market & Share | 🇩🇪 Germany (15.8%) | 🇺🇸 United States (18.2%) |
| Direct Visits / mo | 60.38M | 1.62M |
| User Rating | 4.7 | 3.7 |
| 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.
Humanize AI text and check how human it reads
Rewrites AI-generated drafts with natural phrasing, rhythm and flow, and lets you pick light, medium or aggressive rewriting depending on how much change you want.
Scan text before and after humanizing to see which sentences still look machine-written, with colour-coded sentence-by-sentence highlights.
Click any sentence to see alternative rewrite options and fine-tune the output until it matches your own voice.
Returns humanized text in seconds, with word limits per input ranging from 1,000 words on the free plan up to 5,000 words on paid tiers.

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.
SpecialistOffers versatile paraphrasing and vocabulary adjustment for academic writing, but is not specifically optimized to bypass AI detectors.
SpecialistOffers versatile paraphrasing and vocabulary adjustment for academic writing, but is not specifically optimized to bypass AI detectors.
SpecialistFocuses heavily on high-accuracy AI detection while including a humanizer tool, prioritizing detection testing over rewriting.
SpecialistFocuses heavily on high-accuracy AI detection while including a humanizer tool, prioritizing detection testing over rewriting.
SpecialistIndustry-standard AI detection platform relied on by educators, though its text humanization features are secondary.
SpecialistIndustry-standard AI detection platform relied on by educators, though its text humanization features are secondary.

Delivers quick, conversational text rewriting to bypass AI detection, but lacks dedicated built-in detector testing suites.
Delivers quick, conversational text rewriting to bypass AI detection, but lacks dedicated built-in detector testing suites.
Provides robust multi-detector testing alongside humanization, but often operates on stricter usage limits than StealthWriter.
Provides robust multi-detector testing alongside humanization, but often operates on stricter usage limits than StealthWriter.
Converts machine-written prose into natural-sounding text efficiently, though with fewer customization options for writing style.
Converts machine-written prose into natural-sounding text efficiently, though with fewer customization options for writing style.

SpecialistRigorous content integrity and AI detection checker designed for publishers, but lacks direct text humanization tools.
SpecialistRigorous content integrity and AI detection checker designed for publishers, but lacks direct text humanization tools.
AI translation for text, images, documents and speech in 100+ languages
AI translation for text, images, documents and speech in 100+ languages