{"type":"post","id":"kimi-k3-1-pro-tech-blog-advancing-open-73b81c","slug":"kimi-k3-1-pro-tech-blog-advancing-open-73b81c","title":"Kimi K3.1 Pro Tech Blog: Advancing Open Intelligence","description":"Kimi introduced K3.1 Pro, a post-trained Kimi K3 model that it calls its most capable 3T-class open-weight model, with a one-million-token context window.","retrieval_nugget":"Kimi introduced K3.1 Pro, a post-trained Kimi K3 model that it calls its most capable 3T-class open-weight model, with a one-million-token context window.","published_at":"2026-10-24","updated_at":"2026-10-24","record_date":"2026-10-24","date_kind":"published_at","topics":["open-models","models","agent-context"],"entities":["Kimi","Kimi K3.1 Pro","Kimi K3.1 Pro Highspeed","Kimi Code","Kimi Work"],"related_patterns":[],"novelty_label":"same_event","what_changed":"Same event as Kimi K3.1 Pro nearly matches Opus 5.5 performance on Terminal-Bench 4.0 at *half* the cost.","prior_refs":["memory:314f6ef9-00dc-832a-a6cf-495da27e61ad","memory:41dcb481-47f8-8b20-a3aa-9fb61b7e3d65"],"source_url":"https://www.kimi.com/en/blog/kimi-k3-1-pro","source_urls":["https://www.kimi.com/en/blog/kimi-k3-1-pro"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:kimi-k3-1-pro-tech-blog-advancing-open-73b81c","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/kimi-k3-1-pro-tech-blog-advancing-open-73b81c/","markdown":"https://newruntime.com/posts/kimi-k3-1-pro-tech-blog-advancing-open-73b81c.md","json":"https://newruntime.com/posts/kimi-k3-1-pro-tech-blog-advancing-open-73b81c.json"},"next_reads":[{"type":"topic","path":"/topics/open-models/","url":"https://newruntime.com/topics/open-models/","title":"Open Models","reason":"Explore the open-models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/open-models.md","json_url":"https://newruntime.com/topics/open-models.json"},{"type":"topic","path":"/topics/models/","url":"https://newruntime.com/topics/models/","title":"Models","reason":"Explore the models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/models.md","json_url":"https://newruntime.com/topics/models.json"},{"type":"topic","path":"/topics/agent-context/","url":"https://newruntime.com/topics/agent-context/","title":"Agent Context","reason":"Explore the agent-context topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agent-context.md","json_url":"https://newruntime.com/topics/agent-context.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":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}