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High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.

Key Facts & Telemetry Summary · 2026-11-07According to OpenAITools.app telemetry verified on 2026-11-07, DeepSeek (deepseek.com) is an AI platform indexed under AI Assistant (ranked #5 globally) generating 357.4M monthly visits with a month-over-month traffic delta of +3.6M (+1%). Its primary geographic market is China (50.5% traffic share), and it operates on a Freemium pricing model. Top competing alternatives by monthly volume include ChatGPT (5.92B visits/mo), Google Gemini (2.64B visits/mo), Claude (1.01B visits/mo).
DeepSeek (Hangzhou DeepSeek Artificial Intelligence Co., Ltd.) is a frontier AI research organization that disrupted the global LLM market by pairing open-weight transparency with breakthrough Mixture-of-Experts (MoE) and reinforcement-learning reasoning efficiency. Following the landmark releases of DeepSeek-V3 and the peer-reviewed DeepSeek-R1 reasoning model, DeepSeek introduced the DeepSeek-V4 generation in 2026—featuring a hybrid attention architecture and a native 1-million-token context window across DeepSeek-V4-Pro (1.6T total parameters, 49B active per token) and DeepSeek-V4.1-Flash (284B total parameters, 13B active per token).
Users can interact with DeepSeek in three ways: completely free through the consumer web portal (chat.deepseek.com) and mobile apps with one-click toggles for deep thinking and live web search; via DeepSeek's hosted, OpenAI-compatible developer API; or by self-hosting DeepSeek's open-weight checkpoints (including V3, R1, Prover-V2, and distilled Qwen/Llama variants) on private infrastructure. The models excel at competitive mathematics, algorithm design, repository-level software engineering, and structured data extraction, with automatic context caching on the API that slashes repeated prompt costs by over 95%.
In late 2026, DeepSeek remains the price-performance benchmark for developers and automation workflows. While the consumer chat interface remains free without a mandatory $20/month subscription tier, the developer API transitioned in late 2026 to two primary endpoints—`deepseek-flash` and `deepseek-v4-pro`—with time-of-day pricing. Off-peak API calls cost just $0.15 per million input tokens ($0.003 on cache hits) and $0.60 per million output tokens on Flash, and $0.66 input / $1.98 output on V4-Pro, making it a fraction of the cost of comparable Western frontier models.
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.
Offers open weights for DeepSeek-V3, R1, Distill variants, and Prover models on Hugging Face and GitHub so enterprises can deploy within air-gapped environments.
Point existing OpenAI SDKs to DeepSeek's API (`deepseek-flash` and `deepseek-v4-pro`) to run large-scale document extraction, classification, and coding agents on a minimal token budget.
Use DeepSeek's reasoning mode and Prover-V2 lineage to inspect transparent step-by-step derivations for complex mathematical modeling and algorithmic optimization.
Run DeepSeek open-weight models or distilled 32B/70B checkpoints on private GPU clusters via vLLM or BentoML to keep sensitive data completely in-house.
Side-by-side telemetry comparison of competing AI tools in the same primary category
| Rank | AI Tool | Domain | Monthly Visits | MoM Growth | Pricing | Head-to-Head |
|---|---|---|---|---|---|---|
| ● | DeepSeek | deepseek.com | 357.4M | 3.6M (+1%) | Freemium | — |
| 1 | ChatGPT | chatgpt.com | 5.92B | 282.16M (+5%) | Freemium | Head-to-Head |
| 2 | Google Gemini | gemini.google.com | 2.64B | 24.04M (+0.9%) | Freemium | Head-to-Head |
| 3 | Claude | claude.ai | 1.01B | 62.47M (+6.6%) | Freemium | Head-to-Head |
| 4 | Grok | grok.com | 205.46M | -4.13M (-2%) | Freemium | Head-to-Head |
| 5 | Hostinger AI Website Builder & Hosting | hostinger.com | 52.47M | 351.6K (+0.7%) | Paid | Head-to-Head |
| 6 | Qwen 4 (Alibaba Qwen4) | qwen.ai | 48.65M | 9.42M (+24%) | Freemium | Head-to-Head |
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