DeepSeek
Assistant app for chat, reasoning and code questions, built on DeepSeek's own models.
deepseek.com returns HTTP 200 with a 603-character body and chat.deepseek.com returns HTTP 202 with none: both render client-side, so no plan or charging model was readable to an automated request on 2026-08-23.
What it does
- Text generation
- Code generation
- Summarization
How it compares
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ChatGPT
Both consumer assistants in one measured market; ChatGPT holds 46.4% while DeepSeek sits under 5% — the incumbent against one of the tail challengers.
Until January, ChatGPT commanded over 50% market share, but by May's end, it had fallen to 46.4% thanks to the rise of Gemini (27.7%) and Claude (10.3%). Other assistants, including Grok, Perplexity, DeepSeek, and Meta AI, have less than 5% market share.
News reporting · 25 Aug 2026 -
Gemini
Both consumer assistants in one measured market; Gemini holds 27.7% while DeepSeek sits under 5% — number two against the measured tail.
Until January, ChatGPT commanded over 50% market share, but by May's end, it had fallen to 46.4% thanks to the rise of Gemini (27.7%) and Claude (10.3%). Other assistants, including Grok, Perplexity, DeepSeek, and Meta AI, have less than 5% market share.
News reporting · 25 Aug 2026 -
Claude
Both consumer assistants in one measured market; Claude holds 10.3% while DeepSeek sits under 5% — third place against the measured tail.
Until January, ChatGPT commanded over 50% market share, but by May's end, it had fallen to 46.4% thanks to the rise of Gemini (27.7%) and Claude (10.3%). Other assistants, including Grok, Perplexity, DeepSeek, and Meta AI, have less than 5% market share.
News reporting · 25 Aug 2026 -
Grok
Both consumer assistants measured in the same market, each under 5% share; the survey sizes the tail without separating the two.
Until January, ChatGPT commanded over 50% market share, but by May's end, it had fallen to 46.4% thanks to the rise of Gemini (27.7%) and Claude (10.3%). Other assistants, including Grok, Perplexity, DeepSeek, and Meta AI, have less than 5% market share.
News reporting · 25 Aug 2026 -
Meta AI
Both consumer assistants measured in the same market, each under 5% share; rivals in the tail behind ChatGPT, Gemini and Claude.
Until January, ChatGPT commanded over 50% market share, but by May's end, it had fallen to 46.4% thanks to the rise of Gemini (27.7%) and Claude (10.3%). Other assistants, including Grok, Perplexity, DeepSeek, and Meta AI, have less than 5% market share.
News reporting · 25 Aug 2026 -
Perplexity
Both consumer assistants measured in the same market, each under 5% share; the survey sizes the tail without separating the two.
Until January, ChatGPT commanded over 50% market share, but by May's end, it had fallen to 46.4% thanks to the rise of Gemini (27.7%) and Claude (10.3%). Other assistants, including Grok, Perplexity, DeepSeek, and Meta AI, have less than 5% market share.
News reporting · 25 Aug 2026
Sources
- Sold within
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Official documentation · 30 Sep 2026
DeepSeek's download page describes "The official AI assistant from DeepSeek. Chat with leading AI models for free." with "Download for iOS" and "Download for Android"; it names no paid plan.
- Interfaces
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Page lists a web version at chat.deepseek.com and a mobile app downloadable via QR code.
Also from DeepSeek
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DeepSeek API Platform Model API
API access to DeepSeek's chat and reasoning models.
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DeepSeek Harness Developer tool
Open-source framework for building agents from composable plugins, distributed under the MIT license as a developer-preview initiative (install via `npx @deepseek-ai/dsh web` or clone from GitHub).
Open DeepSeek in the directory
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