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What's happening in robotics and AI — curated by the wujec.ai editors.
Alibaba's downloadable flagship is not the flagship it rents — the model card lists four things it cannot do
Qwen3.8-Max, the 2.446-trillion-parameter model Alibaba published for download on 8 August, is the first Max-class model the company has ever released as open weights. What almost no coverage mentions is that the file you download and the model you call through the API are not the same product — and the difference is written by Alibaba itself, in a note near the top of the model card. The note says the API version is "based on" the released checkpoint "with more features, such as vision input & non-thinking support, 1M context length by default, official built-in tools". Read as a list of what the download lacks, it comes to four items: - **No vision.** The repository ships a text-only architecture (`qwen3_5_moe_text`, pipeline tag `text-generation`). The hosted Qwen3.8-Max accepts images and video; the download does not. - **No way to switch reasoning off.** The open checkpoint always reasons before answering — depth is adjustable through `reasoning_effort`, but the non-thinking mode exists only in the API. - **262,144 tokens, not a million.** The card states the context length plainly: 262,144 natively, extensible to 1,010,000. The hosted version has a million by default; self-hosters have to extend it themselves and accept whatever that does to quality. - **No built-in tools.** Web search, code execution and the rest of the hosted toolchain are part of the service, not the weights. None of this is concealed — it is one paragraph in Alibaba's own card, which is precisely why it is worth repeating: the benchmark numbers circulating for Qwen3.8-Max (Terminal-Bench 2.1 at 86.6, SWE-bench Pro at 67.7, DeepSWE 1.1 at 56.6) were measured on the hosted configuration, and a self-hosted deployment starts from a narrower one. The card also settles what the model actually is architecturally, which the launch materials left vague. It is a hybrid: 92 layers arranged as 23 repetitions of three Gated DeltaNet blocks followed by one gated attention block, so only a quarter of the layers use full attention and the rest use linear attention. The mixture of experts holds 512 experts, of which 10 routed plus 1 shared fire per token. That is the design that makes 2.4 trillion parameters cost 95 billion per token to run — and it is the first time Qwen has shipped it at flagship scale. Our profile of the model now carries the native context figure, the hybrid architecture and an explicit note that the published weights are text-only.
Qwen3.8-Max →Qwen's three billion downloads led the headlines — the report behind them says the giants are 1% of the traffic
Hugging Face published its half-yearly stocktake of open-weight models on 14 August 2026, and by the next morning one number from it was everywhere: Alibaba's Qwen family has passed three billion downloads, ahead of Google and Meta combined. The figure is Alibaba's own cumulative count across all platforms. The report's own measurement is narrower and more useful: on Hugging Face alone, Qwen repositories were downloaded 2,045 million times during 2026, against 418 million for Google and 227 million for Meta. Qwen now carries more than half of all open-model downloads on the hub, and its models have been forked into 151,448 derivatives — roughly 180 to 210 new ones every day, against 82,506 for Google and 32,155 for Llama. The finding that went unreported sits a few charts further down, and it undercuts the way this race is usually described. Models below one billion parameters account for 83% of all downloads ever recorded on the hub. Models above 100 billion parameters — the frontier, the ones that get the launch events and the benchmark tables — account for 1%. Restrict the count to 2026 alone and everything above 70 billion parameters is still only 3% of the volume. Distribution is brutally concentrated in another direction too: 85.6% of all models on the hub have fewer than 200 lifetime downloads, while 1.5% of them take 99.2% of the traffic. The same asymmetry shows up in what people actually run at home. In GGUF, the quantised format used for local inference on ordinary hardware, Qwen is pulled 39.6 million times a month, Google's Gemma 20.8 million and Llama 7.5 million — the last despite Llama having more GGUF repositories published than Qwen. The report reads this as a strategy difference rather than a quality verdict: Qwen ships across every size class, from sub-billion models that run on a laptop up to the frontier, while a lab that publishes only large models collects a fraction of the traffic. Moonshot, whose open portfolio is frontier-only, recorded 37 million downloads — 55 times less than Qwen. Two further findings are worth recording for anyone tracking who is publishing what. First, licensing: among Chinese releases above 20 billion parameters, 59% carry Apache 2.0 and 22% MIT, and none carry a non-commercial restriction — which is the backdrop to the licensing split we described in Qwen3.8 yesterday, where the small model got Apache 2.0 and the large one did not. Second, authorship at the top end: the report notes that most US releases above 100 billion parameters are derivatives of Chinese base models, and that the largest volume of new repositories now comes from hardware vendors — AMD and NVIDIA, with more than 200 new repositories each — publishing optimisation and conversion layers rather than original models. The hub itself grew from 2.43 million to 2.96 million models over the period.
Qwen 3 →Alibaba opens both ends of Qwen3.8 — but only the small model gets Apache 2.0
Alibaba has now published downloadable weights for both halves of the Qwen3.8 generation, and the licences attached to them are not the same document. Qwen3.8-27B, released on 14 August, is a dense 27.78-billion-parameter vision-language model under a plain Apache 2.0 licence — no thresholds, no conditions, no separate agreement for commercial use. It takes text, images and video, has a native 262,144-token context that Alibaba says stretches to a million, and runs on Transformers, vLLM, SGLang and TokenSpeed. Alibaba's own benchmark table puts it at 61.7 on SWE-bench Pro against 57.6 for its closed Qwen3.7-Plus, and at 42.2 on DeepSWE 1.1 against 13.3 for the previous 27B generation — vendor-reported figures, not independently reproduced. The flagship went out under different terms. Qwen3.8-Max, 2.446 trillion parameters, is on Hugging Face as Qwen3.8-2.4T-A95B in bf16 and FP8, but under a bespoke "Qwen3.8-Max License". Its text reads like a permissive licence for almost everyone: free use, modification, hosting, fine-tuning and resale. Two clauses change that at scale. A product with more than 100 million monthly active users or 20 million dollars in monthly revenue must display the model's name prominently in its interface. And any company running a model-as-a-service or an AI coding/office assistant business whose revenue passes 50 million dollars over twelve months must obtain a separate licence from Qwen before commercial use — internal deployment excepted. The practical effect is a licence aimed squarely at a handful of named competitors while leaving everyone below those thresholds fully free. It is a pattern worth watching: "open weights" is quietly becoming a spectrum, and the difference between the two Qwen3.8 downloads is not the code but the paragraph that comes with it. Both models are now in the catalogue, with the licence terms written out in full in the specification tables.
Qwen3.8-27B →Alibaba launches Qwen3.8-Max, a 2.4-trillion-parameter flagship
Alibaba released Qwen3.8-Max on 3 August 2026, the largest model the Qwen family has produced so far. It is a sparse mixture-of-experts design: 2.4 trillion parameters in total, of which roughly 95 billion are activated per token, with a context window of up to one million tokens. The model is available worldwide through Alibaba Cloud's Model Studio APIs and through QwenWork, the company's workplace agent platform. Alibaba said full model weights would follow for public download, alongside a smaller Qwen3.8-27B variant aimed at hardware-constrained deployments. On the Arena.AI leaderboard Qwen3.8-Max became the highest-ranked Chinese model for text tasks and placed second globally for vision, putting it in the same bracket as current frontier systems from OpenAI and Anthropic. Alibaba shares rose sharply in Hong Kong on the announcement.
Qwen3.8-Max →