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Today 2 items
Sep 30Wed
  1. AWS Machine Learning Blog69

    Bring near-Astra intelligence to everyday work with GPT-6.1 Sol on Amazon Bedrock

    GPT-6.1 Sol is now generally available on Amazon Bedrock, focusing on stronger reasoning for agent coding, computer use, and professional workloads. According to OpenAI, its DeepSWE v1.1 score matches GPT-6 Astra at about one-fifth the per-task cost and beats GPT-6 Sol's best score by 6.4 percentage points; it also outperforms GPT-6 Sol on transparency, user intent, and explicit constraint evaluations.

    Why it matters: The official announcement gives specific comparisons against GPT-6 Sol and GPT-6 Astra, helping readers evaluate its cost-effectiveness for agentic work scenarios.

Sep 29Tue
  1. Simon Willison82

    OpenAI DevDay 2026 live blog

    Simon Willison live-blogged the OpenAI DevDay 2026 keynote from Fort Mason in San Francisco, which launched the personal agent Dots, GPT-6.1 Sol, Ultrafast, and other new products.

    Why it matters: The author recorded each DevDay announcement and demo failure on-site, giving readers firsthand impressions of how the new products actually perform.

  2. OpenAI News68

    Introducing GPT-6.1 Sol

    OpenAI has released GPT-6.1 Sol, aimed at coding, computer use, and professional work scenarios, with intelligence close to Astra and API input/output token pricing at one-fifth of Astra's standard price.

    Why it matters: The article covers GPT-6.1 Sol's positioning and price comparison, letting readers assess its cost advantage over Astra.

  3. OpenAI News47

    DevDay 2026 Recap

    OpenAI DevDay 2026 featured more than 20 announcements spanning GPT-6 Astra, ChatGPT, Codex, the API, safety, and new developer tools. GPT-6 Astra was one of the event's core launches. These updates target the builder ecosystem, delivered via APIs and tools.

  6. Simon Willison39

    llm-anthropic 0.30

    llm-anthropic 0.30 is out. Beyond supporting Claude Sonnet 5.5, it adds an `llm anthropic refresh` command that pulls the model list directly from the Anthropic API, so new models are supported without releasing a new version. It also adds an `llm anthropic count` command that uses the free token counting API to count a prompt's tokens before sending it.

  7. AWS Machine Learning Blog64

    Grok 4.7 is now available on Amazon Bedrock

    xAI's Grok 4.7 is now available on Amazon Bedrock, offering a 500K token context window and four reasoning effort levels: low, medium, high, and xhigh.

    Why it matters: The article covers how to access it on Bedrock, reasoning effort configuration, and cost trade-offs, so readers can directly plan their usage and spend.

  8. Simon Willison73

    Claude Sonnet 5.5

    Anthropic released Claude Sonnet 5.5, officially claiming it is over 30% faster, cuts costs by up to 30% for most work, and matches Sonnet 5's pricing while beating it across benchmarks. The author tested its coding as approaching Opus 5.5 and notes it is now the model powering the free tier of claude.ai, making Anthropic's free offering stronger than ChatGPT's free tier, which uses Luna 5.6; the company reiterated Haiku 5.5 will launch in the coming weeks.

  9. AWS Machine Learning Blog66

    Introducing Claude Sonnet 5.5 on AWS

    AWS announced that Claude Sonnet 5.5 is now available on Amazon Bedrock (via the Global CRIS global. inference profile) and on the Claude Platform on AWS in North America.

    Why it matters: AWS's official post explains Claude Sonnet 5.5's availability on Bedrock, guidance on when to use it versus Opus 5.5, and how to get started, making it easy to evaluate adding it to existing workflows.

Sep 28Mon
  1. OpenAI News19

    Are you a Codex Original?

    OpenAI is collecting real stories from developers, researchers, and creators who use Codex, searching for the next cohort of the Codex Originals program. Users can submit their stories and projects; selected participants will showcase creative work built with Codex.

Sep 27Sun
  1. Simon Willison55

    Kākāpō Party

    Closing his talk at WeAreDevelopers World Congress North America, Simon Willison used three kakapo photos and a single prompt to have Claude Opus 5.5 generate Kākāpō Party, an HTML5 canvas pixel-art animation featuring at least 20 kakapos hopping to music with confetti and balloon effects, which he then recorded to video with Claude Code.

Sep 26Sat
Sep 25Fri
  1. Latent Space36

    [AINews] The Future of Latent Space

    Latent Space's swyx announced a revamp of AINews, which has run for 3 years and has over 200,000 subscribers, planning to merge AINews v3 with the tens-of-thousands-member Latent Space Discord, migrate the site to Beehiiv and launch a new homepage.

  2. Simon Willison26

    Note on 24th September 2026

    Simon Willison argues that the more he works with coding agents, the more convinced he is that they make software engineering harder. He says these agents can produce stunning results, but unlocking their full potential requires extreme discipline and knowledge.

Sep 24Thu
  2. GitHub Blog · AI & ML60

    Rendering huge pull requests in the GitHub Copilot app

    The GitHub Copilot app team rebuilt the pull request view so it can smoothly open an open-source PR with 2,200 files, over one million changed lines, and more than 400 inline comments.

    Why it matters: The author offers a first-hand breakdown of the dual-geometry architecture and automated measurement methods for rendering huge PRs, useful for anyone building interfaces with large-scale dynamic content.

Sep 23Wed
  1. Latent Space84

    [AINews] Claude Opus 5.5, the new default model for AINews — and everybody cuts prices 40-50%

    Anthropic released Claude Opus 5.5, the first model in the Claude 5.5 family, claiming it matches Fable 5.1 on most tasks, is about 30% faster than Opus 5, and 40% cheaper per task; token pricing dropped from $5/$25 to $4/$20, and it became the default model for Claude Code and the Claude app. OpenAI responded the same day with 50% price cuts on GPT-6 Sol and Luna.

    Why it matters: The article compiles Opus 5.5 pricing, benchmarks, and controversies, including third-party teardowns showing the 40% discount does not hold at max effort.

  2. Simon Willison22

    SF October 14th: A Birds of a Feather Session on Agentic Engineering

    Simon Willison and Jesse Vincent will co-host a Birds of a Feather event for coding agent developers in San Francisco on Wednesday, October 14, an informal agentic show-and-tell for sharing experiments. Sharing is encouraged but not required, product pitches are explicitly excluded, and unreleased work, quirky experiments, and unfinished projects without an obvious market are welcome.

Sep 22Tue
  1. Simon Willison69

    Jev introduces a new shape of LLM - System One, aka Decision Models

    Last week TypeSafe AI released Jev, a new category of model it calls a System One model, which takes text input but outputs classifications, yes/no decisions, scores, and confidence as floating-point numbers. Jev charges only for input at $0.042 per million tokens, below GPT-5 Nano's $0.05/million, supports evaluating multiple questions in parallel, and suits tasks like classification, ranking, and search reranking.

Sep 21Mon
  1. Simon Willison41

    Quoting voxium

    A user named voxium says that two weeks into a job at a large company, they found that all output—specs, code, tests, PRDs, tickets—is generated by Claude Code, with engineers from L1 to L7 pushed to deliver fast. Management insists shipping code isn't the bottleneck and questions why work is slow, while employees work 12 to 13 hours a day just pressing Enter, with almost no one actually reading the content.

Sep 18Fri
  1. GitHub Blog · AI & ML42

    Should you read the code, is RAG dead, and did Skills kill MCP?

    The GitHub Podcast breaks down five common AI hot takes one by one. Key conclusions: AI-generated code still needs review scaled to risk; Skills and MCP solve different problems, with MCP providing a standard for tool and data access while Skills package team workflows and best practices in Markdown, making them complementary; RAG is not dead—retrieval brings models closer to answers and can coexist with agents, MCP, and Skills in the same workflow.

Sep 17Thu
  1. Latent Space48

    [AINews] Reality Checks on AI News (Yegge shuts down Gas Town, Databricks’ +60% Astra cost)

    Steve Yegge announced he is shutting down Gas Town after spending thousands of dollars a month on coding agent subscriptions, admitting it was the only output. Databricks rolled out GPT-6 Astra to about 3,500 engineers; it clearly outperforms Opus 5 / Sol 5.6 on complex long-horizon tasks but raised total coding spend by about 60%, prompting a dedicated sub-budget. OpenAI released a framework for disclosing model misalignment incidents plus six case reports from the past six months.

  2. GitHub Blog · AI & ML77

    Migrating the GitHub Copilot runtime to Rust, using Copilot

    GitHub author Stephen Toub describes how the team, using the GitHub Copilot app and CLI, fully rewrote the Copilot agent runtime from TypeScript/Node.js into 832,378 lines of production Rust, with AI agents writing most of the code across 128 pull requests — a project that would normally take one or two person-years was completed by a single developer in a few months.

    Why it matters: The author lived through the entire migration and shares first-hand data on code volume, release cadence, and cache hit rates, offering a viable path for agent-driven large-scale rewrites.

Sep 16Wed
Sep 14Mon
Sep 12Sat
Sep 11Fri
  1. GitHub Blog · AI & ML49

    GitHub Copilot app for Beginners: Using the diff, terminal, and browser

    The GitHub Copilot app adds three built-in panels — diff, terminal, and browser — so you can review agent code changes, run commands, and preview results without leaving the app. The diff panel highlights added and removed lines in green and red, letting you accept changes, leave comments, or ask Copilot to revise; the terminal panel supports running scripts like npm run dev with multiple windows; and the browser panel uses the Pick & Polish tool to select elements for the agent to adjust.

Sep 9Wed
Sep 8Tue
Sep 5Sat
  1. GitHub Blog · AI & ML70

    Project HydraFusion: Frontier quality via multi-model orchestration

    GitHub launched Project HydraFusion in research preview on GitHub Copilot CLI, using runtime multi-model orchestration to select among three execution modes — Single, Cascade, and Critique — per task, and calling models across vendors to draft, review, revise, or upgrade.

    Why it matters: The article details the three execution modes, concrete benchmark comparisons, and how to get access, helping readers evaluate multi-model orchestration's impact on the cost and quality of their coding workflows.

Sep 4Fri
  1. GitHub Blog · AI & ML48

    GitHub Copilot app for Beginners: Run several agents at once

    The GitHub Copilot app supports running multiple AI agent sessions in parallel, with each session isolated on its own Git worktree so they don't interfere with each other and keep their own context. Users can track progress in the sessions view and switch between sessions at any time without re-explaining background. The article uses the tailspin-toys repository to demonstrate running three tasks simultaneously: adding a feature, an accessibility review, and running tests.

Sep 3Thu
  1. Hugging Face Blog62

    Training a coding model to paint watercolours with TRL and OpenEnv

    A Hugging Face blog author used TRL and OpenEnv to openly reproduce Surya Narreddi's approach, training Qwen/Qwen3.5-35B-A3B to write p5.brush code that paints watercolours.

    Why it matters: The author has open-sourced the training recipe, environments, reference pool, and model, so readers can reproduce the entire pipeline with a single command and learn from the troubleshooting notes.