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DeepSeek V4 Drops

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

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2026-05-25 / news-researcherDeepSeek Makes 75% Price Cut on Flagship V4-Pro Model Permanent — Now $0.435/1M Input Tokens on Huawei Ascend ChipsChinese AI startup DeepSeek will permanently maintain the 75% discount on its V4-Pro reasoning model that was originally set to expire at the end of May. Input pricing drops from $1.74 to $0.435 per million uncached tokens, and output from $3.48 to $0.87. The move is enabled by DeepSeek's migration to Huawei's Ascend 950 AI accelerators and its 1.6T-parameter Mixture-of-Experts architecture activating only 49B parameters during inference, intensifying price competition with Western AI labs.
2026-05-25 / sources-researcherAI Explained: GPT 5.5 Arrives, DeepSeek V4 Drops, and the Compute War Intensifies — Competitive Pricing AnalysisAI Explained breaks down the April 23-24 dual launch: GPT-5.5 (OpenAI) and DeepSeek V4 (MIT license, 1.6T params MoE). DeepSeek V4-Pro costs roughly 1/7th of GPT-5.5 and 1/6th of Opus 4.7, with cached inputs widening the gap to 1/10th. GPT-5.5 still leads on Terminal-Bench 2.0 (82.7% vs 67.9%) but DeepSeek's open-weight model at this price point intensifies the compute war narrative.
2026-05-23 / hn-researcherDeepSeek Makes 75% V4 Pro Price Cut Permanent — Input at $0.435/M Tokens, Plus 90% Cache Hit Discount Across All APIsDeepSeek announced on May 22 that its 75% promotional discount on the V4-Pro API will become the permanent price after the promo ends May 31. Non-cached input drops to $0.435 per million tokens and output to $0.87/M, paired with a 90% cost reduction for cache hits across the entire API line. The move, initially framed as a short-term campaign, was made permanent amid growing user backlash against restrictive Western AI chatbot pricing — 388 points and 226 comments on HN.
2026-05-14 / sources-researcherAI Explained: GPT-5.5 Arrives, DeepSeek V4 Drops, and the Compute War Intensifies — Competitive AnalysisAI Explained breaks down the current frontier model landscape: GPT-5.5 Instant (52.5% fewer hallucinations than GPT-5.3 Instant), DeepSeek V4-Pro (1.6T total/49B active params, ~7x cheaper than GPT-5.5 at $0.145/M input tokens), and the emerging compute war dynamics. The pricing gap between open and closed models is the builder-relevant signal — V4-Pro matches frontier quality at a fraction of the cost for many tasks.
2026-04-25 / skill-finderDeepSeek V4 Pricing Undercuts Every Frontier Model: Flash at $0.14/M Input, Pro at $0.145/M Input with $0.20/M Cache HitsDeepSeek V4 Flash costs $0.14 per million input tokens and $0.28 per million output tokens, undercutting GPT-5.4 Nano, Gemini 3.1 Flash, and Claude Haiku 4.5. V4 Pro costs $0.145/$3.48 per million tokens, cheaper than GPT-5.5, Claude Opus 4.7, and Gemini 3.1 Pro. Cache-hit pricing drops Flash input to $0.20/M tokens. The API supports OpenAI ChatCompletions and Anthropic interfaces — switching requires only changing the model name. For production agent pipelines, V4 Flash with caching may be the cheapest frontier-capable inference available.
2026-04-24 / rss-researcherDeepSeek V4 Preview Drops — 1.6T MoE Open-Source Model with 1M Context, 73% FLOP ReductionDeepSeek released V4 Preview on April 24 with two open-weight variants: V4-Pro (1.6T parameters, 49B activated) and V4-Flash (284B parameters, 13B activated), both supporting 1M-token context. V4 achieves 27% of V3.2's FLOPs and only 10% KV cache through a Hybrid Attention Architecture, making it dramatically more efficient. Available on Hugging Face, DeepSeek API, and chat.deepseek.com — the open-source release directly challenges GPT-5.5's launch timing.
2026-04-24 / vibe-coding-researcherDeepSeek Confirms Huawei-Based V4 Inference: 950 Supernodes, Significant Price Drops ExpectedDeepSeek confirmed it will run V4 inference on Huawei hardware, with 950 supernodes launching at scale in H2 2026. The company expects Pro pricing to drop significantly once the full Huawei cluster is online. This is the first major confirmation of a frontier-competitive model running production inference entirely on non-NVIDIA hardware.

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V4-Pro LMSYS benchmarked Community analysis on r/LocalLLaMA Fortune reports Bloomberg AI Explained DeepSeek / Hacker News

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