DeepSeek
DeepSeek develops open-weight large language models with strong agent capabilities and competitive pricing.
DeepSeek is a Chinese AI company that develops open-weight large language models, with its latest being the V4 family (Pro and Flash). These models offer enhanced AI agent capabilities, native support for the Responses API and Codex integration, and are known for their efficiency. The V4-Pro model, with 1.6 trillion parameters, is the flagship, while V4-Flash is a lighter, faster, and more cost-effective option.
DeepSeek demonstrates exceptional market impact with 411.2M monthly traffic and aggressive pricing strategies that sparked industry-wide pricing wars in 2026. Its combination of strong performance, open-weight models, and generous free tier positions it as a major disruptor in the chatbot category.
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