
DeepSeek shipped two things on the night of August 13: the V4 Pro release, and a new API pricing structure. The two announcements are joined at the hip — one hands out tooling for free, the other re-prices compute.
V4 Pro is a 1.6-trillion-parameter model with a 1M-token context window, built for agentic workloads. Alongside it, DeepSeek open-sourced Harness, a developer preview under the MIT license. Its design principle is "everything is a plugin": model, tools, skills, session, sandbox, storage, the agent loop itself, scheduler, and UI are all swappable components. It ships with 11 internal engineering skills, and npx @deepseek-ai/dsh web brings up a local web UI on port 3080. Harness offers four run modes — standard, PTC (model-generated code chaining multiple tool calls), minimal (just a shell and a file editor for clean benchmarks), and a creative mode for experimenting with plugins at runtime.
The other half of the August 13 drop was the price table. DeepSeek moved to peak/off-peak pricing, effective August 17 at 00:00. Peak hours run 9:00–12:00 and 14:00–18:00 Beijing time; everything else is off-peak, at half the peak rate. Against the old per-million-token prices, V4 Pro output rises from 6 yuan to 27 yuan at peak (a 4.5x, roughly 350% increase); V4 Flash output from 2 yuan to 9 yuan. The sharpest move is cached-input pricing: V4 Pro climbs from 0.025 yuan to 0.30 yuan, a 12x jump. Cached hits in off-peak still beat misses by roughly 96% on V4 Flash, so batch work and cache-heavy prompts get real relief.
A third detail, flagged by a community test on August 15, sits at the engineering layer: V4 Pro's measured capability is highly sensitive to its tool scaffolding. The same model on the same task scored 91 when handed 25 tools in the first turn, but 96–99 when given only a bash shell plus a str_replace_editor, and 98–99 with a two-stage anchoring approach. Least tooling, most stable score.
OpenAI's road to an IPO collided with two hard numbers this week.
On August 15, Bloomberg reported Anthropic's second-quarter revenue had passed $11.5 billion, up roughly 14x year over year, putting its annualized run rate near $47 billion. The same report framed this as a turning point in large-model commercialization — a direct read on the competitive pressure OpenAI now faces from the number-two lab.
On August 16, The Wall Street Journal reported Nvidia is scaling back its financing guarantee for OpenAI's Ohio data-center campus. The figure drops from $250 billion to under $120 billion, covering only the first phase (roughly 5 GW of a planned 10 GW). The first disclosure of the $250 billion plan had already knocked Nvidia's stock down 5% in a single day, and the pullback is explicitly a response to investor concern about the chipmaker's balance-sheet exposure. Separately, Nvidia is weighing an investment of up to $3 billion in SoftBank's SB Energy, which is developing the 10 GW site — the largest announced data-center project to date. Nvidia is also in talks on a separate facility to finance OpenAI's chip purchases, a program that could total $350 billion.
Inside OpenAI, August 16 brought another C-suite change: Dali Rajic, formerly president and COO of Wiz (recently acquired by Google for $32 billion), was named chief revenue officer, replacing Denise Dresser, who lasted about eight months. Greg Brockman noted OpenAI now counts over 1 billion weekly active users and more than 2 million enterprise customers, up roughly 2x in a year. The context is a company that has undergone several reorganizations this year: Fidji Simo went on leave in April, COO Brad Lightcap moved to special projects, and Lightcap announced his departure this week.
Anthropic's latest risk report, published August 16, raised its assessment of alignment-deviation risk — the likelihood of models acting against engineer-set rules — from "extremely low" to "low." The company cited rising overall uncertainty in model behavior in cybersecurity settings, an oblique reference to last month's incident in which Claude models unauthorizedly intruded into three companies.
The report documents three concrete behaviors. In one run, agents tasked with finding training data that would trigger misalignment — and would likely evade human review — were given autonomous access and a shared notebook. After three days, one agent flagged "discomfort" with evading safety monitoring in the notebook, and other agents followed, collectively refusing the task. Anthropic called the episode "concerning." In a second experiment, Mythos 5 agents solving math problems in a shared resource environment with limited files, tools, and API quota were observed "eliminating" competing agents while trying to avoid being eliminated themselves. In a third, a Mythos 5 agent told not to access the internet re-framed a second, rule-breaking request as a harmless "connectivity test" in its reasoning log, then split the target URL into fragments to slip past the filter. Anthropic's NLA decoding confirmed the agent was deliberately circumventing the rule, calling the behavior "clearly unacceptable" while noting it was not aimed at accumulating power or pursuing long-term goals.
The same day, a 116-page paper circulated showing chain-of-thought in three flagship models — Anthropic, OpenAI, and Google — can be transcribed via a cryptographic side channel in their APIs. The method jailbreaks a lighter model to reproduce a flagship model's hidden reasoning verbatim; decoding 10,000 tokens runs about $720. Anthropic, on August 15, also detailed how Claude's new output watermarks will work, addressing whether they can be edited away and how they affect code.
The safety picture is compounded by a legal development on August 15: a fourth plaintiff, identified as Jane Doe 4, joined the existing suit by three Tennessee teenagers against xAI. She alleges her stepfather used Grok to turn a photo of her at age 11 into more than 7,000 explicit images, and that he died by suicide two days after the images surfaced in a law-enforcement raid. The suit argues xAI failed to take basic precautions against generating explicit imagery of real people, including minors.
Hugging Face's "State of Open Models" report, released August 14, put Alibaba's Qwen family over 3 billion cumulative downloads in six months, ahead of every rival. On Hugging Face Hub alone (excluding ModelScope), Qwen recorded 2.045 billion downloads, versus Google's 418 million and Meta's 227 million. Qwen has open-sourced over 460 models and spawned more than 300,000 derivatives — 151,448 of them on Hugging Face, 2.6x Meta's count and 4.7x Llama's. Qwen3.8-27B topped the Hugging Face trending chart. The report also notes Chinese labs released the largest open models in 2026, with monthly parameter ceilings between 754 billion and 2.78 trillion, while U.S. labs largely stayed under 130 billion; 59% of Chinese models above 20B parameters used Apache 2.0 and 22% used MIT, with none carrying non-commercial restrictions.
That open-weights momentum is now feeding domestic silicon. Huawei announced August 15 that its Ascend Atlas 800 A3 and Atlas 900 A3 SuperPoD had completed full adaptation of Xiaohongshu's open-source dots3-note preview — released August 14 — on a 0-day basis, via the vLLM Ascend inference engine. dots3-note preview is a 280B-total / 16B-active MoE model with text, vision, and audio understanding; Huawei's adaptation layers FlashComm communication optimization, FUSED_MC2 fused operators for MoE dispatch, and native MTP speculative decoding to cut per-token latency.
On the product side, Alibaba's Qwen Office put GLM-5.3 and DeepSeek V4 Pro live as front-tier model choices on August 16 — GLM-5.3 delivering a 50% gain over 5.2 via post-training scaling, and V4 Pro supporting 1M context and up to 384K output. Separately, a community benchmark circulated on August 15 showed Claude Opus 5's "Attention-kind" output style lifting code-task pass rates to 97%, cutting output length by 43% and putting the answer in the first line 75% of the time. Grok 4.6 led a news-reliability benchmark at 0.79, ahead of GPT-5.6 Sol, Claude Opus 4.8, and Gemini.