DeepSeek

DeepSeek Review: Open AI ModelsDeepSeek is a large language model from a Chinese (Hangzhou) AI lab, known for strong reasoning and coding and low API prices. The current version is DeepSeek V4 (released 2026/4/24, replacing the earlier V3.2 and R1), split into V4 Flash (cost-oriented) and V4 Pro (flagship); web chat is free, the API is affordable, and open weights are available. Compiled from official and public sources; specs and pricing per the official site and subject to change (verified 2026-06-06).Core featuresReasoning and coding: notable on reasoning, math and programming tasks. Current DeepSeek V4: V4 Flash and V4 Pro lines. Free chat, cheap API: web chat is free; the API is among the lower-priced on the market. Open weights: self-hostable open models available.ExperienceChat is straightforward with good answer quality; API price-performance is a commonly cited strength.PricingWeb chat is free; the API is per-token (V4 Flash about $0.14/$0.28 per million tokens, V4 Pro higher, with periodic promotions). The old model names deepseek-chat/deepseek-reasoner are scheduled to be deprecated on 2026/7/24. Pricing per the official site; currency varies by region and is subject to change (DeepSeek official docs).Who it's forDevelopers and users who value price-performance, need reasoning/coding, or want self-hostable open models.Bottom lineDeepSeek (current V4) excels at reasoning/coding and a low-priced API, with open weights; old model names retire in July, so mind integrations. Confirm exact features and pricing on the official site.