Simon Willison 在 WeAreDevelopers 大会主题演讲中按时间线梳理了 2026 年 LLM 的关键进展。

Simon Willison 表示，与编码智能体协作越久，越确信它们让软件工程变得更难。借助智能体可以完成惊人的工作，但释放其全部潜力需要极高的纪律性和知识储备。

Simon Willison 与 Jesse Vincent 将于 10 月 14 日（周三）在旧金山举办一场面向 coding agent 构建者的晚间交流活动，主题为 Agentic Engineering。活动采用非正式的 show-and-tell 形式，鼓励参与者分享尚未公开的尝试、奇怪实验和未完成项目，无需正式演讲，也不是产品推销。

一名新入职大公司的工程师称，团队所有规格、代码、测试、PRD、工单及其解决方案、报告等全部由 Claude Code 生成，从 L1 到 L7 的工程师都在做同一件事——和 Claude 对话。团队无人喜欢这种方式，却被高层要求尽可能多地产出，因为高层认为推送代码不是瓶颈；人们每天工作 12 到 13 小时，只是为了按回车，没有人阅读任何内容。

GitHub Podcast 最新一期拆解了五个 AI 热门观点：AI 生成的代码仍需阅读和负责，但审查力度应按风险分级；Skills 与 MCP 解决不同问题，前者是打包的团队经验，后者是连接工具与数据的标准，可组合使用；RAG 并未死亡，它为模型提供训练数据之外的相关信息，减少 token 浪费并让回答更有依据。

Thariq shared 10 Claude Code tips that shift review from checking outputs to steering the right task, with concrete practices including full upfront context, /goal, Workflows for parallel tasks, self-checking, and comparison reports.

Sam Altman said OpenAI plans to have AI perform a large share of its research by March 2028, and the post lists three goals: building automated AI researchers, using them for science and production, and giving each person a personal AGI.

Jack Clark said Claude now produces 80% of Anthropic’s merged code and projected the share may reach 100% within two years; the article also says Anthropic engineers merged 8 times more code per person per day in Q2 2026 than in 2024.

Xinzhiyuan cites a Yann Dubois interview saying OpenAI crossed a reliability threshold around last December, while Anthropic’s internal data says per-person quarterly code contribution reached 8× the Q1 2024 level by Q2 2026.

Dowson Tong said Tencent generated most of its code with AI this year, while engineers spent more time on architecture design and regularly guided and corrected AI outputs. Tencent invested 18 billion yuan in AI new products last year, and President Martin Lau said this year’s spending will at least double.

Ethan Mollick announced Co-Existence for an October 20 release and argues that co-intelligence is giving way to autonomous agents, citing late-2025 coding agents that a study links to 17x more code and Anthropic’s claim that AI now writes 80% of its code.

Xu Xiaobin argues that agent-based development compresses the intent-to-code loop from weeks or months to minutes, using a weekly-report system, a multi-role agent development setup, and image-repository provisioning as examples; the article identifies mismatches in Git, CI, code review, release flows, permissions, harness setup, and dry-run validation.

@mvanhorn shared an agent engineering workflow centered on a Research→Plan→Work loop, plan.md constraints, and 22 practical tips; the snippet says it covers planning, parallel execution, input methods, and remote control, but the post does not disclose the full tool stack list.

The Claude Code engineering team described process changes after making agentic coding the default at Code w/ Claude SF 2026: JIT planning, asking Claude first for context collection, Claude handling style and tests in code review, and humans focusing on legal and safety judgments.

An Anthropic developer shared a Claude Code understanding-verification workflow with 8 steps, using incremental teaching, user restatement, checklists, and quizzes to confirm the human can defend the problem, solution, and impact before moving to the next stage.

Nathan Lambert argues that closed frontier labs will capture high-margin demand in coding-agent workflows, citing a personal willingness to pay $2,000 per month and projecting OpenAI and Anthropic valuations of $2-10 trillion over 5-10 years.

Peter Steinberger posted one month of usage showing 7.6 million requests and 603 billion tokens, with CodexBar estimating a $1.3 million value under preset rates rather than his actual spend as an OpenAI employee.

The article analyzes Anthropic’s dynamic workflow across three boundaries: code handles control flow, agents handle execution, and multiple agents cross-check validation.

Latent Space discusses async coding agents with Cognition’s Walden Yan and OpenInspect’s Cole Murray, citing Devin’s 7x merged PR growth and an increase from 16% to 80% of commits across Cognition repos.

Zhou Zhiwei describes a project-management setup that uses two Git repositories, an AI coding assistant, Shell, and Python to replace at least 80% of manual weekly-update chasing, data moving, chart generation, and engineering-metrics reporting.

Anthropic and OpenAI changed enterprise pricing around April 2026, moving coding agents from heavily discounted seat plans to API-usage billing, with Anthropic Enterprise at $20 per seat per month plus API fees and OpenAI Codex billed by API token usage.

Uber president Andrew Macdonald said the company exhausted its 2026 AI budget in four months, while rising Claude Code token consumption has not been tied to a measurable increase in useful consumer features delivered.

The article discusses the debate sparked by Armin Ronacher using Pi to develop Pi, citing issue tracker data to argue that experienced programmers can still be misled by confident but wrong AI outputs.

HomoAgens1 runs a local ReAct orchestration loop on Qwen3.6-35B-A3B, with about 3B active parameters, a 12GB GPU, 30 expert offload, and 40 tokens/s prompt generation; smaller dense models fail first on tool-call discipline, inventing arguments or repeating bad calls, while reasoning is not identified as the first break point.

SemiAnalysis analyzed 432,000 real coding-agent requests and found a median input length of 96,000 tokens, not 32,000 or 64,000. The post does not disclose the model mix, cost curve, sampling method, or time window.

Cursor summarizes lessons from building cloud agents: after migrating to Temporal, reliability rose above 99.9%, and the platform processes more than 50 million operations per day.

A Reddit user tested Claude structured outputs and reported 90–95%+ first-pass parse rates with tool_use, typed schemas, enum constraints, and stepwise validation, versus 65–70% for prompt instructions followed by regex or JSON parsing and retries.

A Reddit user says an API-log audit showed Cursor and Claude Code recursively grep about 40 files in 10k-plus-line repositories, sometimes load 2k-line files for 5-line edits, and spend roughly 30k tokens on tool definitions and logs before generating code.

The author used Claude Code to generate a single-file HTML project plan page in 2 minutes, with a dark theme, timeline, and collapsible tables; the comparable Notion template previously took 30-40 minutes.

Latent Space says Vlad Feinberg’s pretraining job-prep notes reduce frontier-lab readiness to kernel-level performance work: derive Chinchilla laws, compare dense and MoE architectures, code the solution in JAX, then write a Pallas kernel that beats jax.lax.ragged_dot for F > D by fusing up/down projections.

Peter Steinberger used 603 billion tokens across 7.6 million requests in 30 days, with the bill exceeding $1.3 million; he said disabling fast mode cut the price by 70%, and OpenAI does not charge him for the tokens.

Dario Amodei said AI may drive 5%-10% GDP growth while increasing unemployment and inequality, and near-free software costs would challenge the assumptions behind traditional software business models.

Eric Jang spent several months implementing AlphaGo from scratch and says that in 2026, training a strong Go AI requires only a few thousand dollars in rented compute rather than DeepMind-scale resources.

Anthropic published Founder’s Playbook, arguing that AI tools such as Claude Code reduce prototyping cost but increase startup failure risk across the Idea, MVP, Launch, and Scale stages through false validation, confirmation bias, agentic technical debt, and founder decision bottlenecks.

Yang Zhilin explains Kimi K2 training in a 40-minute video, saying the model cost $4.6 million and beat GPT-5.5 and other competitors on coding tasks.

A Reddit user ran Qwen 3.6 27B on a dual RTX 3090 Ubuntu setup, reporting 48GB VRAM, a 262k context window, no NVLink, about 4000 pp/s prompt processing, and 113 tk/s generation.

Andrej Karpathy says 90% of AI coding bills is wasted on unnecessary context, including repeated full-repository sends, expensive models for simple tasks, and missing prompt caching.

Reddit user grumd runs Qwen2.5-Coder-7B Q6 for autocomplete and Qwen3.6-35B-A3B Q8 for agentic coding on one RTX 5080 with RAM offloading; the post reports about 145k context, 56GB RAM used with other apps open, and Qwen3.6-35B-A3B speed of tg128 at 35.29 tokens/s.

Anthropic engineer Thariq argued for using HTML instead of Markdown and gave 5 reasons; the post says HTML generation takes about 2 to 4 times longer than Markdown.

The author used AI to build a HealthKit export app in about 5 minutes and run multivariate regression, finding that the last post-dinner AI usage time correlated negatively with sleep duration; after avoiding AI at night, average sleep increased by 1 hour and 40 minutes.