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First-hand AI coding updates from 𝕏/Twitter frontier labs and researchers, distilled by AI with entity benchmarks.

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AI Coding Live News

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Microsoft Developermsdev·
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Microsoft opens the GitHub-built Copilot harness in Foundry Agent Service: public preview, 20+ frontier models plus BYOK, billing from Dec 1

During GitHub Universe on Oct 28, Microsoft put the Microsoft Copilot harness, the shared agent execution layer behind Copilot Code, Copilot Studio, the GitHub Copilot app, the CLI and VS Code, into Foundry Agent Service as a public preview. Microsoft runs the agent loop and sandbox while developers supply instructions, skills, tools and model choice; Microsoft says it works across 20+ frontier models plus bring-your-own-key. Long-running resilience for hosted agents also reached GA. Harness runtime usage is free until Dec 1.

Microsoft opens the GitHub-built Copilot harness in Foundry Agent Service: public preview, 20+ frontier models plus BYOK, billing from Dec 1

Key Takeaways

  • Microsoft says the harness spans 20+ frontier models plus bring-your-own-key, so you can swap models without rewriting orchestration (official blog)
  • Preview building blocks: reusable skills, Foundry and MCP tools with explicit auth and approvals, file and code execution with built-in subagent delegation, and source-controlled agent definitions
  • Pricing: harness runtime is free until Dec 1; after that sandbox compute is USD 0.0994 per vCPU-hour and 0.0118 per GiB-hour, with model inference billed separately (Foundry blog)
  • Long-running resilience for hosted agents went GA the same week: interrupted work restarts with its original input, and your app saves checkpoints
  • Limits: you pick the harness only when creating a new agent; existing agents are unchanged and switching later is not supported yet
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Linked Models & Agents:
🤖 Microsoft Copilot harness🤖 Foundry Agent Service🤖 GitHub Copilot🤖 Copilot Studio🌐 Microsoft🌐 GitHub
#Microsoft#Foundry#Copilot harness#agent runtime#MCP#agent skills#GitHub Universe
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Michelle Chen / Sam Else / Gabriel Massadas / Cloudflare@Cloudflare·
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Cloudflare Web Search API open beta: Ceramic/Exa/Linkup via AI Gateway for structured agent grounding

On 2026-10-02 Cloudflare launched Web Search API (open beta): agents query the live web through AI Gateway and get structured titles/URLs/snippets. Default Ceramic.ai ($0.25/1k, ZDR); Exa ($7) and Linkup ($5) also available. Partners meet Verified-bot rules; REST, Workers env.AI.websearch(), BYOK, list pricing with no markup.

Cloudflare Web Search API open beta: Ceramic/Exa/Linkup via AI Gateway for structured agent grounding

Key Takeaways

  • Announced 2026-10-02; docs https://developers.cloudflare.com/web-search/ (open beta)
  • Providers: ceramic default $0.25/1k ZDR; exa $7/1k with highlights; linkup $5/1k fast mode
  • Surfaces: REST /ai/websearch/ and Workers env.AI.websearch(); AI Gateway credits, no markup; BYOK supported
  • Crawlers meet Verified-bot rules and return source links; Server Tools for web search coming
  • Replaces guess-then-curl URL fetches for live grounding (e.g. Birthday Week docs)
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Linked Models & Agents:
🤖 ai-gateway🤖 web-search-api🌐 cloudflare🌐 ceramic.ai🌐 exa🌐 linkup
#Cloudflare#Web Search API#AI Gateway#Ceramic.ai#Exa#Linkup#agent grounding#Verified bots#Workers#open beta
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Cursor@cursor_ai·
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Cursor lists GLM 5.3 / Flash natively: 1M context, Other Models pool, from $1.4 / $0.15 per MTok

Cursor’s official Models & Pricing and dedicated docs now list Z.ai GLM 5.3 and GLM 5.3 Flash as addable third-party models: 1M context, Low/High/Max reasoning (High default), Other Models pool billing. Table rates: GLM 5.3 $1.4/$0.26/$4.4, Flash $0.15/$0.029/$0.5 per MTok—same as 5.2, no long-context surcharge. Enable in Settings → Models (not the BYOK custom-endpoint path).

Key Takeaways

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Linked Models & Agents:
⚡ GLM-5.3⚡ GLM-5.3-Flash⚡ GLM-5.2🤖 Cursor Composer (Agent Mode)🌐 Cursor (Anysphere)🌐 zhipu🌐 z-ai
#Cursor#GLM 5.3#GLM 5.3 Flash#Z.ai#Zhipu#model picker#Other Models#1M context#Open weight
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Zed Industries@zeddotdev·
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Zed 1.21.0: Agent Panel BYOK for Claude Opus 5.5 and GPT-6 Astra/Sol/Luna; prevent idle sleep on long agent turns

Zed Industries shipped editor Zed v1.21.0 on 2026-09-23. AI: Agent Panel BYOK for Claude Opus 5.5 (Anthropic) and GPT-6 Astra/Sol/Luna (OpenAI); SuperGrok sign-in for Grok models; DeepSeek Flash 4.1; Z.ai GLM via Mistral provider; agent.prevent_idle_sleep on by default so long agent turns do not idle-sleep the machine. Also: language-server command picker, showDocument open file/URL, faster syntax/Markdown code-block rendering, ACP compatibility and async task wakeup improvements.

Zed 1.21.0: Agent Panel BYOK for Claude Opus 5.5 and GPT-6 Astra/Sol/Luna; prevent idle sleep on long agent turns

Key Takeaways

  • Shipped: v1.21.0 — zed.dev/releases/stable
  • BYOK: Opus 5.5 (Anthropic) + GPT-6 Astra/Sol/Luna (OpenAI)
  • Default agent.prevent_idle_sleep for long agent turns
  • Also: SuperGrok, DeepSeek Flash 4.1, Z.ai GLM via Mistral; ACP improvements
  • Docs: AI overview, Agent Panel, LLM providers
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Linked Models & Agents:
⚡ Claude Opus 5.5⚡ GPT-6 Astra⚡ GPT-6 Sol⚡ GPT-6 Luna⚡ DeepSeek-Flash-4.1⚡ Grok🤖 Zed-Agent-Panel🌐 Zed🌐 Anthropic🌐 OpenAI🌐 DeepSeek🌐 xAI
#Zed#Agent-Panel#BYOK#Opus-5.5#GPT-6#SuperGrok#ACP#Editor#Prevent idle sleep
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mukundzha@mukundzha6·
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Hazzel open-sources a minimal terminal coding agent with pre-edit diffs and BYOK/Ollama

@mukundzha6 ships Hazzel (github.com/mukundzha/hazzel): a ~10k-line Python minimal terminal coding agent that shows diffs before edits, supports undo and project-scoped commands, BYOK plus local Ollama, and no subscription—aimed at transparent, reversible local coding rather than a black-box repo rewriter.

Key Takeaways

  • Terminal coding agent with pre-edit diffs, undo, and project-scoped commands.
  • BYOK and Ollama support with no subscription.
  • ~10k lines of Python in an open GitHub repo.
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Linked Models & Agents:
#Hazzel#terminal agent#coding agent#BYOK#Ollama#Python#open source
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Cline@cline·
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Cline Desktop launches (macOS/Windows beta): native UI for open-weight models with ClinePass and BYOK

Cline officially launched Cline Desktop (macOS/Windows beta), a native desktop UI for open-weight models via ClinePass (DeepSeek-V4.1-Flash, Musespark-1.3, and other free models) or BYOK with any provider. It can import sessions from Claude Code, Codex, and OpenCode, plus scheduled agent runs, a marketplace for plugins/MCP/skills, web search, and voice input at cline.bot/desktop.

Key Takeaways

  • Official desktop beta: native UI for open-weight models on macOS/Windows.
  • ClinePass free models include DeepSeek-V4.1-Flash and Musespark-1.3; BYOK supported.
  • Imports Claude Code/Codex/OpenCode sessions; scheduled runs plus MCP/skills marketplace.
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Linked Models & Agents:
⚡ DeepSeek-V4 (Next-Gen MoE)🤖 Cline (VS Code Agent)🤖 Claude Code (Anthropic)🤖 codex🌐 cline
#Cline Desktop#open weights#ClinePass#BYOK#DeepSeek#MCP#Skills#Desktop
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Quinn Slack@sqs·
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Amp ships Orbs: remote machines for parallel agents, plus 8 more experimental BYOK models

Amp CEO Quinn Slack describes an Orb as a remote machine that runs Amp’s agent so users can run many agents in parallel with low friction. Five BYOK model options are generally available; eight more just shipped in experimental early access to Megawatt/Gigawatt members ($20/mo for Megawatt) and will roll out more widely. Docs: ampcode.com/docs/orbs.

Key Takeaways

  • An Orb is a remote machine that runs Amp’s agent for parallel work.
  • 5 BYOK models are GA; 8 more are experimental early access for Megawatt/Gigawatt.
  • Official docs live at ampcode.com/docs/orbs.
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Linked Models & Agents:
🤖 amp🌐 amp
#Amp#Orb#BYOK#Megawatt#coding agent#Sourcegraph
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Quinn Slack@sqs·
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Amp coding agent is free with BYOK: bring your own compute and model keys, no limits or fees

Sourcegraph co-founder Quinn Slack (@sqs) announced Amp is free when you bring your own compute and model subscriptions/keys (BYOK)—no more BYOK limits or fees. The Free Agent / Hobby tier covers full product features; use ChatGPT or other subs / your own keys for inference. Pay for remote orbs as needed, or run agents on your own runners for free.

Key Takeaways

  • Amp is free for BYOK (own compute + model keys)—no limits or fees.
  • Hobby free tier includes product features; use ChatGPT/other subs or your own keys for inference.
  • Remote orbs remain pay-as-you-go; own runners run agents at no Amp charge.
Read full story
Linked Models & Agents:
🤖 amp🌐 amp
#Amp#BYOK#Pricing#coding agent#Hobby#Orbs#Sourcegraph
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