#Coding

AIAntigravity has added Claude Opus 5.5 and Sonnet 5.5 for all paid users, according to Varun Mohan. The post also expresses enthusiasm for a broader rollout of Gemini 4 Argon.

AIReplit Drift

AIAfter Claude took over the GitHub code contribution leaderboard, it will soon take over the AIGC Creator leaderboard too 😜

AIHamel Husain says he cannot understand a demo video for a new Claude Code modding feature, calling it visual slop. He suggests the feature may be cool but argues demos should be understandable to humans. The background post says Claude Code can now be modded to change behavior, customize the UI, or add features via TypeScript or Claude-built mods installed through /plugin.

AIVercel has added Jev to the AI SDK for Python. The team tested it in two experiments: detecting whether typed text is Python or English as it is entered, and writing Python one decision at a time.

AIAnthropic's Lydia Hallie explains that mods are plugins with special functions that let custom code run inside Claude Code, working like middleware. She notes users can simply ask Claude to write them.

AIAnthropic's ClaudeDevs describes a "You should know" mod that spins off a sideagent to observe Claude's output. The mechanism is detailed in a newer blog post on getting started with Claude Code mods.

AIAnthropic is adding a new Claude Code plugin called "You should Know" that scans Claude's output for important information users might otherwise miss. It can be enabled with the command /plugin enable cc-plugin-you-should-know@builtin.

AIAnthropic released Claude Code v2.1.288, adding $.ui.selection() for mods, a built-in gh api for cloud sessions without the GitHub CLI, and --max-findings for /code-review. The release also fixes many issues, including mid-response API timeouts, resume and compaction bugs, and auto mode denials and model switching on Bedrock and Mantle.

AIGitHub Copilot code review can now be requested through the REST and GraphQL APIs, with an optional review effort level set per request. Balanced became the default review effort level for new and existing repositories and organizations as of September 28, 2026, while users who explicitly selected Lite keep that setting. The changes are generally available to Copilot Pro, Pro+, Max, Business, and Enterprise plans.

AIRogo's engineers build the company's internal apps on Vercel and deployed over 73,000 times last month. Its coding agents ship code to production in five minutes, powering tools from churn risk analysis to the sales team's deal desk.

AIDatabricks' new open-source meta-harness, Omnigent, lets multiple coding agents such as Claude Code and Codex share sessions, rules, and security policies in one system. A walkthrough by @leonvz demonstrates forking work across agents, multi-agent review and debate with Debby, and splitting implementation across subagents with Polly.

AIAs of October 2, 2026, GitHub deprecated Gemini 3.5 Flash, Gemini 3.6 Flash, Kimi K2.7 Code, and Claude Opus 4.7 across all Copilot experiences. Suggested replacements are Gemini 3.8 Flash, Kimi K3, and Claude Opus 5.5, and Enterprise administrators may need to enable them through model policies.

AICursor introduced Rollouts, a tool that writes a monitoring plan and watches changes as they deploy to catch regressions before users see them. When Rollouts detects a regression, it identifies the offending PR and opens an issue, and one click starts a cloud agent to fix it. Rollouts usage credits are included through Oct 3.

AIGitHub has made the Project HydraFusion research preview available in the GitHub Copilot app and @code, where it orchestrates multiple models rather than acting as a single model. New models from Anthropic (Fable 5.1 and Opus 5.5) and OpenAI (GPT-6.1 Sol) are also now selectable in the Copilot model picker.

AIMicrosoft's Copilot Code is designed to help more people turn ideas into apps, workflows, and solutions for their work. Microsoft Copilot EVP Jacob Andreou discusses how the product expands who gets to build.

AIAI is changing developer work, and the article recommends three skills: directing AI agents, reviewing AI output instead of trusting the first answer, and using saved time for judgment-heavy problems such as customer needs and tradeoffs. It cites GitHub Copilot's built-in Rubber Duck agent, which uses a second model to critique plans, code, and tests. The author argues that developers remain responsible for outcomes while AI handles more implementation.

AIAirbnb CTO Ahmad Al-Dahle, who joined from Meta in January, says 60% of the company's code is now AI-authored and pull-request throughput per engineer is up about 1.6x. Roughly half of Airbnb's support tickets are now resolved purely by AI, which the company tested with synthetic data before production. Airbnb's internal context graph Everest helped speed up the grocery delivery and airport pickup services, which took eight to nine months and about six weeks to build, respectively.

AIGitHub Copilot's weekly release adds Claude Sonnet 5.5 and GPT-6.1 Sol for specified plan tiers, plus HydraFusion, a research preview that lets Copilot select and coordinate models for a task. It also introduces dynamic workflows in public preview, which let users save and reuse multi-step processes, and computer use in public preview on macOS and Windows for automating desktop apps.

AIArchitectural Decision Records (ADRs) give coding agents durable project context, helping them distinguish intentional decisions from implementation details. Agents can over-apply accepted but obsolete ADRs, so the author recommends explicit AGENTS.md instructions treating accepted ADRs as binding, prompting agents to flag conflicts, and keeping each ADR current rather than recording amendment logs.

AILucas Beyer calls SWE-sweep a useful new benchmark, where agents must find and fix bugs in a repo checked out at an earlier commit, scored against unit tests from real later bugfixes. He notes two limitations: a model may find valid bugs that don't match the tested ones, and the construction makes training on the test set easy. He advises not overemphasizing small ranking differences once models score highly.

AIClaude Code can now be modded to change how it behaves, customize its UI, and add custom features. Mods are written in a few lines of TypeScript or generated by Claude, and ship inside plugins installed with /plugin in the CLI or desktop app.

AIGuillermo Rauch praised the release of SvelteKit 3 and said he is excited for Async Svelte and Remote Functions. He built a small app that built and deployed in 15 seconds end-to-end, using Fx and Opus to handle the work.

AIA Latent.Space podcast episode features MIT researcher Alex Zhang explaining recursive language models (RLMs). He discusses why Claude Code, Codex, and Pi are basically the same, and how RLMs use code, context offloading, and recursive subagents to generalize across tasks. The episode also covers OpenAI's 10,000-agent, 130B-output-token experiment and academia's freedom to pursue ambitious research bets.

AIGPT-6 Astra Ultrafast, running on NVIDIA Blackwell GPUs, is now available in the OpenAI API and to eligible ChatGPT Work and Codex users. The source says Ultrafast offers up to 8x faster token generation than Astra Standard mode, which can shorten coding agents' response times between tool calls. OpenAI also says it uses its own models to keep optimizing inference software on NVIDIA GPUs after deployment.

Why it matters: The source ties a specific speed claim to coding agents' edit-test-debug loops, showing where faster token generation changes developer workflows.

AIGLM 5.3 and GLM 5.3 Flash are now available in Cursor. GLM 5.3 Max is the best-scoring open-weight model on CursorBench 4.0.

AIClaude Code now supports mods that change its behavior, customize the UI, or add features, written in a few lines of TypeScript or generated by Claude. Mods ship inside plugins and are installed with /plugin in the CLI or desktop app, and the author says mods can be shared so others can try them.

AIAnthropic's Thariq describes Claude Code mods, which can read conversation scope such as turn count and token usage. Mods run in process, so they can spawn subagents, parse their results with structured output, and modify the UI, which hooks cannot do. Mods ship inside plugins and are installed with /plugin in the CLI or desktop app.

AIClaude Code can now be modified with mods that change its behavior, customize the UI, and add features, written in a few lines of TypeScript or generated by Claude. Mods ship inside plugins and are installed with /plugin in the CLI or desktop app. A TypeScript function can intercept internal events such as tool calls, prompts, model requests, and renders, and add custom UI and commands.

AIArtist 852話 Hakoniwa made YUI, the first animated short film created with Comfy Agent, in three days of focused work for about 200,000 yen excluding labor. She used the Agent to regenerate shots, compare video models such as Wan, MiniMax H3 and Seedance, and check outputs against her character sheet. The main film was made mostly with Seedance 2.5, and the making-of video with MiniMax H3.

AIAnthropic's ClaudeDevs account says its team used mods to build features in Claude Code, including the /diff command and AGENTS.md support. The post links to a blog article on Claude Code mods and invites developers to try them.

AIReplay Theater records every file edit Claude makes in a single turn, letting users review changes one at a time. Running /replay opens the diffs in a docked pane for step-by-step navigation.

AIAnthropic is adding pre-built sample mods to the Claude Code Playground repo for developers to adapt. The post points readers to a getting started guide on creating Claude Code mods.

AIAnthropic's ClaudeDevs introduced Blast Radius, which catches risky shell commands such as rm -rf, git reset --hard, or a force push before they execute. It displays what the command would affect in a side pane.

AIDatabricks' Smart Routing evaluates each coding task separately and selects the lowest-cost model capable of handling it, balancing quality, latency, and cost. In a demo, Omnigent splits an app build into planning, backend, and frontend work, routes each part to a different model, and runs some tasks in parallel.

AIGoogle has introduced the @google/stitch CLI, letting users generate screens and design systems without leaving the terminal. It connects to local coding agents and can send a local dev server snapshot to Stitch. The tool complements the existing Stitch MCP and SDK, and can also be driven through agents such as Antigravity.

AIHugging Face shows that training LFM2.5-2.6B with RL inside the agent harnesses themselves lifted held-out task success from 42% to 54% across four harnesses. Before training, the model solved 62% of tasks in Mini-SWE-Agent but only 33% in Claude Code, so the same model behaved very differently per harness. The approach uses an OpenEnv capture proxy to record tokens and logprobs, Harbor for tasks and sandboxes, and TRL's async GRPO trainer, with 31% fewer tool calls on already-solved tasks; training in OpenCode alone mostly improved OpenCode.

AIRunway introduced Visual Thinking, a new harness for coding agents that uses a real-time video model to visualize each step and tool call as it happens. The visualization lets users stay in the loop during complex autonomous workflows.

AIPareto 26.10 Preview is a multimodal composite model built for research, coding, and agentic workflows. It is described as delivering frontier-level performance across a broad range of general-purpose tasks, though the source excerpt is a preview and provides no benchmark scores, parameter counts, pricing, or availability details.

AII used AI to further develop this pixel clock at home, directly linking it to all the status of Claude Code on my computer, with support for parallel sessions. To be honest, when it comes to aesthetics, Claude is still far too strong. The results Codex produced were genuinely ugly, I'm in tears...