{"type":"post","id":"microsoft-foundry-local-ships-qwen3-8-27b-stack-ff29eb","slug":"microsoft-foundry-local-ships-qwen3-8-27b-stack-ff29eb","title":"Microsoft Foundry Local ships Qwen3.8-27B stack beating llama.cpp on RTX 5090 local coding","description":"Microsoft says Foundry Local CLI 0.13.0 and later can run Qwen3.8-27B locally and connect it to GitHub Copilot through BYOK.","retrieval_nugget":"Microsoft says Foundry Local CLI 0.13.0 and later can run Qwen3.8-27B locally and connect it to GitHub Copilot through BYOK. The release gives developers a concrete on-device coding path, with stated GPU and context thresholds, but its speed comparison with llama.cpp is Microsoft’s own report rather than independent validation.","published_at":"2026-11-05","updated_at":"2026-11-05","record_date":"2026-11-05","date_kind":"published_at","topics":["github","local-models"],"entities":["Microsoft","Foundry Local","Qwen3.8-27B","GitHub Copilot","ONNX Runtime","llama.cpp"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"Microsoft now offers a separate Foundry Local Qwen3.8-27B coding stack integrated with GitHub Copilot, claiming it beats llama.cpp on RTX 5090.","prior_refs":["https://newruntime.com/posts/betelgeuse-llama-cpp-fork-pages-moe-experts-from-fb5996/"],"source_url":"https://devblogs.microsoft.com/foundry/foundry-local-agentic-coding-qwen3-8-27b","source_urls":["https://devblogs.microsoft.com/foundry/foundry-local-agentic-coding-qwen3-8-27b"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:microsoft-foundry-local-ships-qwen3-8-27b-stack-ff29eb","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/microsoft-foundry-local-ships-qwen3-8-27b-stack-ff29eb/","markdown":"https://newruntime.com/posts/microsoft-foundry-local-ships-qwen3-8-27b-stack-ff29eb.md","json":"https://newruntime.com/posts/microsoft-foundry-local-ships-qwen3-8-27b-stack-ff29eb.json"},"markdown_url":"https://newruntime.com/posts/microsoft-foundry-local-ships-qwen3-8-27b-stack-ff29eb.md","next_reads":[{"type":"topic","path":"/topics/github/","url":"https://newruntime.com/topics/github/","title":"Github","reason":"Explore the github topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/github.md","json_url":"https://newruntime.com/topics/github.json"},{"type":"topic","path":"/topics/local-models/","url":"https://newruntime.com/topics/local-models/","title":"Local Models","reason":"Explore the local-models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/local-models.md","json_url":"https://newruntime.com/topics/local-models.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}