#Coding

AIA suspected Chinese-speaking attacker breached several South Korean financial institutions between late September and early October 2026, reportedly stealing over 25,000 records from Shinhan Bank alone. The attacker used ARTEX, a Chinese open-source tool that uses AI language models to automate finding security flaws, and models named in the report include DeepSeek v4.1-flash, GLM-5.3, and Grok 4.6.

AILucas Beyer says he learned Python around 2004 as Blender's scripting language, long before deep learning. He calls it a full-circle moment, as the linked post shows LLMs writing Blender Python code to generate 3D scenes.

AIAnt Ling's Ling-3.1-flash is now available as a day-0 partner release on Vercel AI Gateway, free through October 13. The model is positioned as token-efficient, built for agentic and coding work, and suited to multi-step analysis.

AIAnt Ling announced a day-zero collaboration with AI/ML API, making Ling-3.1-flash available there for agentic and cowork scenarios. AI/ML API describes it as a 560B-parameter MoE model with about 25B active per token and up to 1M context, built for agents, coding, and long documents. The model is free to try on AI/ML API until October 13.

AIAnt Ling announced a day-0 collaboration with Kilo Code for its launch, with Ling 3.1 Flash available for free in Kilo Code until October 13th. Novita Labs is serving the model.

AIAnt Ling's Ling-3.1-flash is now free on the OpenCode coding harness for a limited week-long period. The model has 560B total parameters, 25B active parameters, and a 262K context window, according to the OpenCode background post. Ant Ling says it shows strong coding performance and thanks OpenCode for day-zero support.

AIAnthropic released Claude Haiku 5.5, priced the same as OpenAI's GPT-6 Luna, with a 1M-token context window. Artificial Analysis scored it 43 on its Intelligence Index, slightly ahead of GPT-6 Luna at 38, but it uses about 3x more output tokens at max effort.

AIThe author argues that in agent workflows, the real bottleneck is whether users can precisely express requirements, not the model or agent capability. When people work outside their expertise, they lack the precision needed for prompts and plans, forcing many imprecise iterations that waste time and tokens. The suggested fix is to have the model first teach the unfamiliar domain knowledge before acting.

AIThe author repeatedly asked Claude whether to rewrite all their Go applications in Rust. Claude discouraged the move, arguing a rewrite is unnecessary and Go is more than sufficient, though the author still feels the urge.

AIClaude Code v2.1.294 fixes prompt and agent hooks written as instructions, which had allowed actions they should block. It also improves how prompt hooks on Stop and SubagentStop are judged, making Claude less likely to stop early.

AIBlock's AI capabilities lead describes using Claude Fable to plan large code migrations and direct smaller models like Opus and Sonnet on individual tasks. He says Block routes frontier and smaller models by task and keeps merges and production deploys behind human dual approval.

Why it matters: Block's engineering lead describes how frontier models orchestrate large migrations and how access, effort levels, and safeguards are managed across an organization.

AIThariq, of Anthropic, says the most common failure in AI coding is users working outside their domain who cannot write precise prompts and plans. As a result, they spend many turns iterating imprecisely. The quoted post contrasts this with programmers' advantage in vibe coding.

AIThis Next Token episode discusses Personal Agents, including Dots in Codex, memory and cloud computer permissions, and whether agents should act as assistants or digital twins. The hosts also cover Instinct's booking and business-travel model, hands-on projects built with Opus 5.5, and whether software, games, and hardware could become open source as AI makes rewriting easier.

AIDeveloper Brandon Thomas used Claude Opus 5.5 and Rust to build Artcraft, a free open-source suite with Photocraft, Vectorcraft, and other apps that mimic Adobe products. The author tested Photocraft and found its basic editing commands worked where expected, but Free Transform behaved unpredictably. Thomas describes the software as early alpha and invites developers to contribute.

AIEpoch gave six models 11 real work tasks from its own operations, including graphic design, data insights, and research design, and graded outputs against employee standards. Fable 5.1 and GPT-6 Astra led on average task performance, reliably handling well-defined work such as coding and computational analysis. The report finds that all models still fail on open-ended judgment, including matching Epoch's standards, designing informative experiments, and generating diverse ideas, so the authors conclude AI cannot yet replace workers at Epoch.

Why it matters: The report separates well-defined task reliability from open-ended judgment failures, which benchmark scores on easily verifiable tasks would miss.

AIAnthropic released Claude Haiku 5.5, which it calls the fastest, cheapest, and most capable Haiku model so far. On average it costs about 75% less to run than Haiku 4.5, with input at $0.10 and output at $0.50 per million tokens for requests up to 100,000 tokens. Anthropic also cut Sonnet 5.5's cache read price from $0.20 to $0.10 per million tokens, which it says lowers run costs by about 20% on many agent tasks.

AIDeveloper Brandon Thomas's Artcraft has launched seven open source apps in Rust that aim to replicate the interfaces and tools of Adobe Photoshop, Illustrator, Premiere, Lightroom, After Effects, InDesign, and Acrobat Pro. Thomas said he used Anthropic's Claude Opus 5.5 to build the clean-room replacements, with WebAssembly versions available for browser use. The apps remain in a "super early alpha" state, and commenters have pointed out many current shortcomings.

AICognition's X post links to a blog post at devin.ai about Claude Haiku 5.5, but the text provides no further details. The post itself offers no benchmark scores, prices, or capabilities to report.

AICognition, the company behind Devin, shared a link inviting readers to try the product at The post provides no further details on features, pricing, or availability.

AIAnthropic's Claude Haiku 5.5 is now generally available in GitHub Copilot, a lightweight model built for fast, high-volume work such as subagents, quick edits, and terminal tasks. GitHub's early testing found it matched Claude Sonnet 5 on many coding tasks while using significantly fewer tokens and steps. It can be used in the GitHub Copilot app, CLI, or @code.

AIAnthropic's lightweight Claude Haiku 5.5 is now generally available in GitHub Copilot for fast, high-volume tasks such as subagents, quick edits, and terminal work. In early testing, it matched Claude Sonnet 5 on many coding tasks while using significantly fewer tokens and steps. The model is billed at provider list pricing under usage-based billing and is available to Copilot Pro, Pro+, Max, Business, and Enterprise users.

AIClaude 5.5 Haiku is now available in OpenCode and Go. The post does not give further details about features, pricing, or availability limits.

AIOpenAI Developers shared a post showing the arcade game Discs of Tron running on the OpenAI DevDay edition ModRetro Chromatic. According to the quoted post, the game was implemented fully in the Chromatic's reprogrammable FPGA logic, one shot by Codex GPT 6 Astra.

AIA user reports using Codex from inside a self-driving car to install a game that his dot built for him while he slept. The main post, from OpenAI Developers, shares a video of the game built by dot while riding in a self-driving car.

AIOpenAI Developers shared a retro space game built during DevDay. The post credits @oboroge9, who said they made the game through vibe coding for the DevDay event.

AIOpenAI Developers highlighted San Francisco 2030, a game made with Codex for the ModRetro Chromatic handheld. Players act as an ambitious founder collecting funding and followers across seven levels so far.

AIOpenAI Developers highlighted a hockey game built in a single shot with Codex, shared alongside the post. The game, made during DevDay and Edmonton Oilers opening night, has McDavid feeding Draisaitl one-timers.

AILauren Tan (@poteto) proposes "time to (fully automated, hands-off) rewrite" (TTR) as a rough thought-experiment heuristic for how well a codebase is set up for agents. She suggests asking how long a single engineer would need to rewrite the code in another language, framework, or architecture, since the answer surfaces gaps like missing verification that agents can use to confirm user-visible behavior matches. The post also raises questions about whether a rewrite would improve, maintain, or regress performance and maintainability over time.

AIAnthropic's Claude Haiku 5.5 is much faster and 75% cheaper than Haiku 4.5, which launched October 15, 2025, less than a year earlier. Anthropic describes it as a significant step up over Haiku 4.5 across coding, computer use, and knowledge work.

AICline outlines three steps to start using its cloud product: log in or create an account, connect GitHub, then open the Agents tab, choose a repo, and describe what to build. The post links to cline.bot/cloud for setup.

AICline says each agent runs in its own independent, secure cloud container, so users can assign a bug fix, a refactor, and a new feature at once. The pull requests can then be reviewed as they are completed.