DeepSeek records 372,761,591 monthly visits with +4.3% month-over-month growth and Freemium pricing. OETStudy records 4,738 monthly visits with +264.2% growth and Free pricing.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
AI-powered practice and scoring for the Duolingo English Test
| Dimension / Metric | | |
|---|---|---|
| Official Domain | deepseek.com | oetstudy.com |
| Pricing Model | Freemium | Free |
| Monthly Visits | 372.76M (372,761,591) | 4.74K (4,738) |
| MoM Traffic Delta | +15.36M (+4.3%) | +3.44K (+264.2%) |
| Primary Market & Share | 🇨🇳 China (50.5%) | 🇺🇸 United States (100%) |
| Direct Visits / mo | 291.59M | 1.54K |
| User Rating | 4.8 | 4.4 |
| Supported Platforms | Website | Website |
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Leverages a sparse Mixture-of-Experts architecture (49B active parameters out of 1.6T on V4-Pro) to process up to 1 million tokens with minimal latency and memory overhead.
Pioneered by DeepSeek-R1 and integrated into V3.2 and V4 thinking modes, exposing step-by-step self-verification for complex math, logic, and code debugging.
Drops input token costs to $0.003/1M on Flash and $0.022/1M on V4-Pro for cache hits, with 50% lower rates during off-peak UTC hours.
Provides free access at chat.deepseek.com and on iOS/Android with document uploads, reasoning mode, and web search without paywalling core models.
AI-powered practice and scoring for the Duolingo English Test
A large bank of DET-style items spanning speaking, writing, listening, and reading, graded by difficulty so you can practise at the level you need.
Speaking and writing submissions are scored automatically, evaluating pronunciation, fluency, grammar, and content structure with suggestions for improvement.
Check your vocabulary level against CEFR bands and build word lists clustered around the question types you practise most.
Practice statistics and score analysis highlight weak areas and show how your performance changes over time.
Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing.
Provides stronger multi-modal reasoning and agentic tools, but lacks DeepSeek's ultra-low-cost API pricing.
Offers an enormous context window and deep Google ecosystem integration, but feels less specialized for pure reasoning tasks.
Offers an enormous context window and deep Google ecosystem integration, but feels less specialized for pure reasoning tasks.
Delivers superior long-form coding artifacts and nuanced writing, but lacks DeepSeek's specialized open-weight reasoning models.
Delivers superior long-form coding artifacts and nuanced writing, but lacks DeepSeek's specialized open-weight reasoning models.
Features real-time X social data integration, but is less cost-effective for dedicated developer coding workflows.
Features real-time X social data integration, but is less cost-effective for dedicated developer coding workflows.
SpecialistReal-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
SpecialistReal-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Free / Open-sourceProvides comparable open-weight foundation models and multilingual performance, but requires self-hosting or third-party inference setup.
Free / Open-sourceProvides comparable open-weight foundation models and multilingual performance, but requires self-hosting or third-party inference setup.
SpecialistThe AI coding agent for building ambitious software
SpecialistThe AI coding agent for building ambitious software
SpecialistExcels at ultra-long document analysis and research, but lacks the same level of open-weight developer community support.
SpecialistExcels at ultra-long document analysis and research, but lacks the same level of open-weight developer community support.
Free / Open-sourceEnables running open-source models locally on consumer hardware, but lacks DeepSeek's cloud-scale hosted reasoning power.
Free / Open-sourceEnables running open-source models locally on consumer hardware, but lacks DeepSeek's cloud-scale hosted reasoning power.
Practise PTE Academic and PTE Core free, with AI scoring for speaking and writing
Practise PTE Academic and PTE Core free, with AI scoring for speaking and writing
Study smarter for IELTS, TOEIC and HSK with AI speaking and writing rooms
Study smarter for IELTS, TOEIC and HSK with AI speaking and writing rooms
AI English speaking coach with instant pronunciation feedback
