{"type":"post","id":"claude-code-2-1-311-speeds-pro-max-9f4329","slug":"claude-code-2-1-311-speeds-pro-max-9f4329","title":"Claude Code 2.1.311 speeds Pro/Max startup and keeps compacting past 200K tokens","description":"Anthropic released Claude Code v2.1.311. The release changes the failure behavior for standard-context sessions that run past 200K tokens rather than stopping with a Usage credits required for 1M context message Claude Code now compacts the conversation and continues. The","retrieval_nugget":"Anthropic released Claude Code v2.1.311. The release changes the failure behavior for standard-context sessions that run past 200K tokens rather than stopping with a Usage credits required for 1M context message Claude Code now compacts the conversation and continues. The","published_at":"2026-10-27","updated_at":"2026-10-27","record_date":"2026-10-27","date_kind":"published_at","topics":["claude","claude-code","anthropic"],"entities":["Anthropic","Claude Code"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"Claude Code 2.1.311 adds faster Pro/Max startup and compaction that continues beyond 200K tokens, extending the prior report of latency improvements and idle compaction.","prior_refs":["memory:1201283c-82ac-82b3-a2f9-9258fe559722"],"source_url":"https://github.com/anthropics/claude-code/releases/tag/v2.1.311","source_urls":["https://github.com/anthropics/claude-code/releases/tag/v2.1.311"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:claude-code-2-1-311-speeds-pro-max-9f4329","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/claude-code-2-1-311-speeds-pro-max-9f4329/","markdown":"https://newruntime.com/posts/claude-code-2-1-311-speeds-pro-max-9f4329.md","json":"https://newruntime.com/posts/claude-code-2-1-311-speeds-pro-max-9f4329.json"},"next_reads":[{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/claude-code/","url":"https://newruntime.com/topics/claude-code/","title":"Claude Code","reason":"Explore the claude-code topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude-code.md","json_url":"https://newruntime.com/topics/claude-code.json"},{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.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"}]}