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DeepSeek

AI & Machine Learning · Hangzhou, China · Private

DeepSeek is an AI lab building open-weight foundation models, APIs, and consumer products. Its relevance comes from demonstrating that competitive models can be trained and served with a different cost and distribution profile from the largest closed U.S. labs.

~$52BReported valuationJuly 2026 filing implication
$7.4BReported fundingJune 2026, reported
V4.1Latest model familyFlash released September 2026
1MContext windowV4 preview, company reported

The Company

DeepSeek was founded in Hangzhou in 2023 and is controlled by quantitative-investment firm High-Flyer. It gained global attention in 2025 after releasing reasoning and language models that challenged assumptions about the cost of building competitive frontier models.

The company’s strategy combines open releases with API and application distribution. DeepSeek’s 2026 V4 family emphasised long context, reasoning, agentic workflows, and lower-cost inference. Its position is therefore more than a single benchmark result: it is a test of whether open-weight Chinese models can become enduring infrastructure for developers and enterprises.

Why It Matters

DeepSeek changed the private-market conversation around AI model economics, open-weight distribution, and China’s role in the frontier-AI stack. Its progress matters to compute providers, model labs, application companies, and investors benchmarking the cost and defensibility of AI capabilities.

Valuation History

  1. $52.0B→Jul 2026Valuation implied by Chinese filingSource ↗

What Changed

  1. DeepSeek is founded in Hangzhou under High-Flyer’s control.

  2. DeepSeek-R1 brings global attention to the lab’s reasoning models and cost claims.

  3. The company releases DeepSeek-V4 Preview with a stated one-million-token context window.

  4. DeepSeek releases V4.1-Flash, adding native visual understanding and higher-throughput inference.

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