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Fal优化MiniMax H3实现实时视频生成,被Twitch封禁后自建直播服务

[AINews] Fal’s H3 Max Live breaks the infinite videogen barrier

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Fal通过工程优化让视频生成跑赢现实时间,这是从“等待渲染”到“实时交互”的关键范式转变,做视频应用的同学值得重点关注其技术路径。

For the entirety of the history of Generative Media, you basically had to design around the inconvenient fact that generating images and video takes time — even if you used consistency models to get a 30 second generation down to 1 second, you still only have a 1 FPS video at best… well below anything acceptable for consumer-grade human attention.

在生成式媒体的整个发展史上,你基本上必须围绕一个不便的事实进行设计:生成图像和视频需要时间——即使你使用一致性模型将30秒的生成过程缩短到1秒,你也最多只能得到1 FPS的视频……这远远低于消费者级人类注意力所能接受的水平。

Fal took Minimax’s H3 release from last month and first posttrained it for both cost and quality improvement, then optimized it for their in-house inference engine for 35x speed of the official endpoint… resulting in crossing the infinite video singularity:

Fal 采用了 Minimax 上个月发布的 H3,首先针对成本和质量的提升进行了后训练(posttraining),然后为其内部推理引擎进行了优化,速度达到官方端点的35倍……从而实现了跨越无限视频奇点:

This was first noticed by Ethan Mollick:

这一现象最早由 Ethan Mollick 注意到:

Then productized by fal employees into an infinite twitch stream:

随后被 fal 的员工产品化为一个无限的 Twitch 直播流:

and then the floodgates opened:

接着闸门大开:

with Twitch/Youtube kicking Fal off the platform immediately, so Fal made their own “twitch plays pokemon” live video service:

Twitch/YouTube 立即将 Fal 从平台上移除,于是 Fal 推出了自己的“twitch plays pokemon”直播视频服务:

If you watch the stream for even a few seconds, you can tell this is pure slop - nobody will actually watch this fever dream mishmash of content with no plot and low quality RL tuned imagery.

如果你只看几秒钟的直播,就能看出这是纯粹的垃圾内容——没有人会真正观看这种没有剧情、低质量强化学习调优图像的疯狂梦境大杂烩。

And yet… this is the worst that this is ever gong to be. If you have not learned the lesson that the best engineers and entrepreneurs build for the future that is coming, and the existence proof of faster-than-realtime good-enough video is defeinitely possible, then you aren’t reading the room very well in the metagame of how to stay ahead in AI.

然而……这已经是这种情况的最坏结果了。如果你还没有吸取教训:最好的工程师和企业家是为即将到来的未来而构建的,而且实时以上足够好的视频的存在证明是完全可能的,那么你在如何保持在 AI 领域领先的元游戏中,对局势的判断并不准确。

AI News for 8/29/2026-8/31/2026. We checked 12 subreddits, 544 Twitters and no further Discords. AINews’ website lets you search all past issues. As a reminder, AINews is now a section of Latent Space. You can opt in/out of email frequencies!

2026年8月29日至8月31日的 AI 新闻。我们检查了12个 subreddit、544条 Twitter 帖子以及没有进一步的 Discord 讨论。AINews 的网站允许你搜索所有过往期刊。提醒一下,AINews 现在是 Latent Space 的一个板块。你可以选择加入或退出电子邮件频率!

AI Twitter Recap

AI Twitter 回顾

Model Releases, Agent Benchmarks, and Open-Weight Competition

模型发布、Agent 基准测试与开源权重竞赛

  • Meta’s Muse Code exits beta with an SDK and subscriptions: Meta pushed Muse Code into general availability, positioning it as a bigger-task coding agent with a developer-preview SDK for embedding custom agents, connecting tools, streaming progress, and resuming sessions. Launch details came from @finkd, with follow-ups on the SDK and monthly plans; @alexandr_wang amplified the release. Separately, Ollama said it already supports the Muse Code harness.
  • DeepSeek V4 Flash Vision weights are now open: Several posts pointed to the release of DeepSeek-V4-Flash-Vision-Exp weights, with @teortaxesTex noting the model adds vision parity with Moonshot and GLM, and @zizhpan linking the weights directly. The follow-up from @teortaxesTex suggested DeepSeek may be committing to releasing all checkpoints.
  • GLM-5.3 Flash looks especially strong on agentic cost/performance: On Agent Arena, @arena reported GLM-5.3-Flash at #19 overall, #4 among open models, with +4.6% net improvement over 9K+ real-world sessions and a $0.12 median cost/task. Signal breakdown included +15.3% Confirmed Success and no tool hallucination issues in the thread. Vals also highlighted the broader GLM-5.3 family, including 95.4% on SWE-bench, 78.1% on Vibe Code Bench, 1M context, and 128k max output tokens in benchmark notes.
  • Qwen3.8-Flash-Next enters the same arena, but below GLM-5.3 Flash: @arena placed Qwen3.8-Flash-Next at #24 overall, #7 among open models, with +2.4% net improvement across 8.7K+ sessions. It stood out more on Confirmed Success (+12.3%) than on steerability or praise-vs-complaint, according to the signal breakdown.
  • Tencent Hunyuan’s Hy4 Preview appears to be moving into China’s top agent tier: A long-form roundup from @ZhihuFrontier described Hy4 Preview as an open-source 770B MoE model with 49B active params and >1M context, emphasizing gains in coding, agent stability, and practical office/research use. The notable engineering claim is not just capability but organizational acceleration: seven weeks after Hy3, Tencent allegedly closed much of the gap through post-training, agent-policy tuning, and better stability.
  • Meta 的 Muse Code 通过 SDK 和订阅计划结束测试版:Meta 将 Muse Code 推向全面可用,将其定位为面向更大任务的编码 Agent,并提供开发者预览版 SDK 用于嵌入自定义 Agent、连接工具、流式传输进度和恢复会话。发布细节来自 @finkd,后续有关于 SDK 和月度计划的跟进;@alexandr_wang 放大了此次发布。此外,Ollama 表示它已经支持 Muse Code 框架。
  • DeepSeek V4 Flash Vision 权重现已开放:多篇帖子指向 DeepSeek-V4-Flash-Vision-Exp 权重的发布,@teortaxesTex 指出该模型在视觉能力上追平了 Moonshot 和 GLM,@zizhpan 则直接链接了权重文件。@teortaxesTex 的后续动态暗示 DeepSeek 可能致力于发布所有检查点(checkpoints)。
  • GLM-5.3 Flash 在智能体成本/性能方面表现尤为强劲:在 Agent Arena 上,@arena 报告 GLM-5.3-Flash 总体排名第 19,开源模型中排名第 4,在 9000 多个真实世界会话中净提升 +4.6%,每任务中位成本为 0.12 美元。信号分解包括确认成功率提升 15.3%,且在该线程中未出现工具幻觉问题。Vals 还强调了更广泛的 GLM-5.3 家族,基准笔记显示其在 SWE-bench 上得分 95.4%,在 Vibe Code Bench 上得分 78.1%,支持 1M 上下文以及 128k 最大输出令牌。
  • Qwen3.8-Flash-Next 进入同一竞技场,但排名低于 GLM-5.3 Flash:@arena 将 Qwen3.8-Flash-Next 列为总体第 24 名,开源模型中第 7 名,在 8700 多个会话中净提升 +2.4%。根据信号分解,它在确认成功率(+12.3%)方面的表现比在可控性或好评与投诉对比方面更为突出。
  • 腾讯混元 Hy4 Preview 似乎正跻身中国顶级智能体梯队:@ZhihuFrontier 的一篇长篇综述将 Hy4 Preview 描述为一个拥有 770B MoE 架构、49B 激活参数和超过 1M 上下文的开源模型,强调其在编码、智能体稳定性以及实际办公和研究用途上的提升。引人注目的工程声明不仅在于能力提升,更在于组织加速:据称在 Hy3 发布七周后,腾讯通过后训练、智能体策略调优以及更好的稳定性缩小了大部分差距。

Agent Infrastructure, Harnesses, and Context Engineering

智能体基础设施、框架与上下文工程

  • Hermes Agent shipped a large feature release aimed at persistent, multi-agent workflows: @Teknium announced Hermes Agent v0.21.0 with Bots Mode, agent-to-agent comms, persistent multi-gateway connections, subagent steering, and broader connector access. A follow-up noted the release also cut default context usage by ~50%, a concrete sign that context-efficiency is becoming a first-class systems concern.
  • DeepSeek Harness is evolving fast, but with breaking plugin-contract changes: The best summary came via @ZhihuFrontier: v0.1.2-alpha removes the legacy APIProxy, rewrites the web client, tightens session-event semantics, and expands subagent/model configuration. The key engineering takeaway is that plugin-heavy agent platforms are still defining their public boundaries; DOM injection, internal symbols, and custom session event types are proving especially brittle under rapid iteration.
  • Context management is emerging as a distinct research frontier: Two papers got attention. First, WikiSkill / SKILL.state from Google and collaborators, summarized by @dair_ai and @omarsar0, replaces ever-growing conversation histories with explicit mutable state and persistent skill knowledge; the reported result is better long-horizon accuracy with lower cumulative token use. Second, Tencent’s ContextPilot, highlighted by @omarsar0, trains agents to edit their own working context and assigns reward at the level of specific context edits, a more targeted RL credit-assignment scheme for long-horizon tasks.
  • “Harness engineering” is becoming a core AI engineering skill: This theme showed up repeatedly: @omarsar0 explicitly called out harness engineering alongside evals; @dejavucoder framed non-vibe coding as increasingly about watching traces and feeding RL environments; and @AlexatVester asked who will build an open-source Codex-style in-app browser for agents.
  • Code-navigation and observability tooling continues to get more agent-native: @TheTuringPost highlighted Sonar Vortex, which gives agents a semantic graph of code relationships and reportedly cuts task cost by 5–36% versus text-search-heavy workflows. On the observability side, @wandb added live W&B panels directly into CoreWeave ARIA chats, and @hwchase17 emphasized trace-level cost reconciliation over coarse spend totals.
  • Hermes Agent 发布了一项旨在支持持久化多智能体工作流的大型功能更新:@Teknium 宣布了 Hermes Agent v0.21.0,包含机器人模式、智能体间通信、持久化多网关连接、子智能体引导以及更广泛的连接器访问权限。后续更新指出,此次发布还将默认上下文使用量削减了约 50%,这具体表明上下文效率正成为首要的系统级关注点。
  • DeepSeek Harness 正在快速演进,但伴随着破坏性的插件契约变更:最佳总结来自 @ZhihuFrontier:v0.1.2-alpha 移除了遗留的 APIProxy,重写了 Web 客户端,收紧了会话事件语义,并扩展了子智能体/模型配置。关键的工程启示是,重度依赖插件的智能体平台仍在定义其公共边界;DOM 注入、内部符号和自定义会话事件类型在快速迭代中被证明尤为脆弱。
  • 上下文管理正成为独立的研究前沿:有两篇论文受到关注。首先,Google 及其合作者提出的 WikiSkill / SKILL.state(由 @dair_ai 和 @omarsar0 总结),用显式的可变状态和持久化的技能知识取代了不断增长的对话历史;报告的结果是长程准确率更高且累积 token 使用量更低。其次,Tencent 的 ContextPilot(由 @omarsar0 强调)训练智能体编辑自身的工作上下文,并在特定上下文编辑层面分配奖励,这是一种针对长程任务的更精准的强化学习信用分配方案。
  • "Harness 工程"正成为核心 AI 工程技能:这一主题反复出现:@omarsar0 明确将 harness 工程与评估并列提出;@dejavucoder 将非 vibe coding 框架为越来越侧重于观察追踪数据并喂养 RL 环境;而 @AlexatVester 则询问谁将为智能体构建开源的 Codex 风格应用内浏览器。
  • 代码导航和可观测性工具继续变得更加原生支持智能体:@TheTuringPost 强调了 Sonar Vortex,它为智能体提供代码关系的语义图,据报道相比重度依赖文本搜索的工作流,任务成本降低了 5–36%。在可观测性方面,@wandb 直接在 CoreWeave ARIA 聊天中添加了实时 W&B 面板,而 @hwchase17 则强调基于追踪级别的费用对账而非粗略的总支出总额。

Inference, Compute, and AI Infrastructure

推理、计算与 AI 基础设施

  • Apple hardware may be an unexpected bottleneck for computer-use RL: The most-discussed infra anecdote came from @VaibhavSisinty, who claimed OpenAI bought tens of thousands of Mac minis and Mac Studios for training computer-use agents via RL, while Anthropic rents similar hardware through AWS. The reported consequences: high-RAM Apple configs disappearing from sale, long backorders, and scalping. If accurate, it’s a notable datapoint that desktop-class Apple silicon has become operationally relevant for agent training loops, not just local inference.
  • Together AI and HUMAIN announced a 250MW Saudi data center for open models: @nikogallogly surfaced the NYT scoop, and @togethercompute framed it as one of the largest open-source-focused infra deals, with 250MW capacity and $5B+ annualized revenue attached to the partnership. The story matters less for the headline number than for the strategic pattern: compute access via geopolitical partnership, rather than every model company vertically financing its own capex.
  • Inference specialization and serving architecture continue to fragment: @SemiAnalysis_ outlined three disaggregated inference configurations pairing Rubin and LPU components across prefill, decode, verification, and FFN paths. Meanwhile, @StasBekman highlighted Snowflake’s Semi-Persistence approach for multi-model serving, keeping weights in pinned CPU memory and rehydrating them to GPU on demand, with internal benchmarks showing 5.6x–19.9x faster sleep/wake cycles versus the compared vLLM baseline.
  • Apple 硬件可能成为计算机操作强化学习的意外瓶颈:讨论最多的基础设施轶事来自 @VaibhavSisinty,他声称 OpenAI 购买了数万台 Mac mini 和 Mac Studio 用于通过强化学习训练计算机操作智能体,而 Anthropic 则通过 AWS 租赁类似硬件。报告的影响包括:高内存配置的 Apple 机型从销售中消失、长期缺货以及黄牛炒作。如果属实,这是一个值得注意的数据点,表明桌面级 Apple 硅芯片已在智能体训练循环中具有运营相关性,而不仅限于本地推理。
  • Together AI 与 HUMAIN 宣布为开源模型建设一座 250MW 的沙特数据中心:@nikogallogly 披露了《纽约时报》的报道,而 @togethercompute 将其定位为规模最大的聚焦开源的基础设施交易之一,该合作伙伴关系附带 250MW 容量及每年 50 亿美元以上的年化收入。这一故事的重要性不在于 headline number(头条数字),而在于其展现的战略模式:通过地缘政治伙伴关系获取算力访问权限,而非每家人工智能公司自行垂直融资以承担资本支出。
  • 推理专业化与服务架构持续碎片化:@SemiAnalysis_ 概述了三种解耦的推理配置,将 Rubin 和 LPU 组件配对应用于预填充(prefill)、解码(decode)、验证(verification)和前馈神经网络(FFN)路径。与此同时,@StasBekman 强调了 Snowflake 针对多模型服务提出的半持久化(Semi-Persistence)方法,将权重保留在固定的 CPU 内存中,并在需要时重新加载至 GPU;内部基准测试显示,与对比的 vLLM 基线相比,其休眠/唤醒周期速度提升了 5.6 倍至 19.9 倍。

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