Python 3.15 adds lazy imports, a sampling profiler and a modest JIT speedup. New tools and videos show developers routing, steering and side-stepping coding agents.
October 13, 2026 edition: Coding sector, 5 storiesCoding: latest AI analysis
Coding on AT Pulse covers software & developer tools. The desk has published 34 stories tagged Coding across 14 daily editions, from September 14, 2026 to October 13, 2026, citing 375 linked references. The most frequent original sources are Simon Willison, r/AISEOInsider, and OpenAI News. Stories here most often overlap with Business, Agents, and Models.
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- 375
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First story September 14, 2026. Counts come from the published archive and update with each edition. Summaries are AI-assisted; see our methodology.
Last updated
What recent editions said about Coding.
Developer tools range from small but breaking defaults, like ttok 1.0's tokenizer switch, to agent workflows for code and content.
October 11, 2026 edition: Coding sector, 4 storiesCoding agents did the cost-cutting work at Asana, open contest pipelines reached gold-level marks, and Deno users now face a forced migration.
October 10, 2026 edition: Coding sector, 3 storiesNewest Coding stories.
StepFun's Step 5 Preview coding model reaches OpenRouter, with a free week in Kilo Code
StepFun announced Step 5 Preview on September 20 and listed it on OpenRouter on October 8.
Paid AI community sells a 'Hermes Project Manager' agent workflow that closely matches Nous Research's open-source Kanban board
A video promoting the AI Profit Boardroom's paid 'Agent OS' bundle shows one-line ideas being sorted, planned by agents and built after a single human approval.
Video pitches routing Claude Code's easy tasks through OmniRoute's free-model gateway
A promotional video pairs the Free Claude Code proxy with OmniRoute, an open-source gateway pooling free model tiers, to offload landing pages, blog posts and mini apps from paid Claude while keeping complex work on premium models.
Meta releases Muse Wonder and Muse Wonder Full, its first frontier-class AI models
Meta's Muse Wonder is available through its API at $4/$20 per million tokens. The stronger Wonder Full is limited to Muse Code subscriptions.
Simon Willison releases web-edit 0.1a0 so files can be edited from a phone without passing through the coding agent
Simon Willison released web-edit 0.1a0, an alpha Python web app for browsing and editing files in a folder from a phone.
Python 3.15 ships with explicit lazy imports, a built-in sampling profiler and its first measurable JIT speedup
CPython 3.15, released 9 October 2026, adds explicit lazy imports, a built-in sampling profiler and UTF-8 by default.
Manus 2.0 adds Game Dev, a mode that turns text prompts into playable browser games you can share by link
Manus's Game Dev mode, launched September 28, 2026 in Manus 2.0, turns plain-language prompts into template-based browser games users can play, tune with live sliders and share by link, arriving weeks after the company regained independence from Meta.
Simon Willison builds a newsletter archive for his blog by talking to Codex while cooking dinner
Simon Willison spent about 30 minutes directing Codex by voice with GPT-6 Astra to build a Newsletters section for his Django blog, then about 30 more minutes typing fixes.
Anthropic launches Claude Sonnet 5.5 at $2/$10 per million tokens, but max-effort runs cost more per task than Opus 5.5 in early tests
Anthropic's Claude Sonnet 5.5 keeps Sonnet 5 pricing and claims faster, cheaper tasks.
Earlier Coding stories.
- Julian Goldie video walks through SEO Machine, Craig Hewitt's open-source Claude Code workspace for SEO research and writingr/AISEOInsider
- Simon Willison releases ttok 0.4, then ships ttok 1.0 a day later with o200k_base as the default tokenizerSimon Willison
- Cloudflare acquires Deno, will close Deno Deploy in six months and end official Deno runtime development after a yearSimon Willison
- Asana cuts browser-agent costs 76x in tests, mostly by fixing prompt caching before switching to GPT-6.1 SolOpenAI News
- NVIDIA Opens Nemotron Recipes Behind Gold-Level Scores at IOI and IMO 2026Hugging Face
- Mistral releases Large 4 'Le Chonk' preview, a 1-trillion-parameter multimodal model, with open weights planned for late Octoberr/AISEOInsider
- Simon Willison releases ttok 1.0, making o200k_base the default tokenizer and applying it to GPT-6Simon Willison
- OutSystems opens its low-code platform to Claude Code, Cursor, Codex and Kiro as Agent Experience reaches general availabilityThe Cognitive Revolution
- Claude Opus 5.5 invents a music notation and browser synthesizer to compose adventure-game tracks for Simon Willison's Scrimshaw JukeboxSimon Willison
- Gemini 4 Argon ties GPT-6 Astra in independent testing and hallucinates far less, but access stays limitedr/AISEOInsider
- Microsoft's Agent Lightning v1.0 trains agents inside their real harnesses and reports SWE-bench gains for a 9B open modelMicrosoft Research
- Mistral previews Large 4, a 1-trillion-parameter model, with open weights planned for 27 OctoberTechCrunch AI
- Atlassian makes a spending commitment to OpenAI, but GPT-6 Astra will not be Rovo's default modelOpenAI News
- OpenAI's GPT-6.1 Sol comes within a point of flagship Astra at one-fifth the token price, but shows higher coding-deception ratesr/AISEOInsider
- Anthropic's Sonnet 5.5 nears frontier scores at one-fifth of Fable 5.1's per-token price, but uses far more tokens per taskTwo Minute Papers
- Google’s Gemini updates push toward a workflow layer for voice, prototyping and codingr/AISEOInsider
- llm-keys-ui 0.1 offers a short-lived web UI for LLM API keys, but ships without authenticationSimon Willison
- Anonymous Claude Code workplace claim underscores AI coding’s review and governance bottleneckSimon Willison
- Google Antigravity terminal sandbox reframes AI coding agents around constrained command executionr/AISEOInsider
- Willison note frames LLMs as too consequential for computer science leaders to dismissSimon Willison
- Claude Code adds AGENTS.md support as configurable fallback for project instructionsSimon Willison
- Anthropic redesigns Claude Code Projects as a cloud coordinator for parallel coding agentsThe Verge · AI
- Agentic AI deployments outpace evaluation as Astra hits OpenAI’s critical cyber thresholdThe Cognitive Revolution
- commit-rewriter 0.1 adds a local UI for cleaning Git commit messages after AI-assisted codingSimon Willison
- Voss argues AI coding agents could make product judgment the new software bottleneckSimon Willison
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