{"type":"post","id":"anthropic-revealed-that-claude-mythos-its-most-powerful-438b1c","slug":"anthropic-revealed-that-claude-mythos-its-most-powerful-438b1c","title":"Anthropic revealed that Claude Mythos, its most powerful model, moved Claude onto AMD’s chips in three days.","description":"Anthropic says its frontier model Mythos helped bring Claude onto AMD MI355X GPUs in about three days, with the model writing or porting nearly all required kernels.","retrieval_nugget":"Anthropic says its frontier model Mythos helped bring Claude onto AMD MI355X GPUs in about three days, with the model writing or porting nearly all required kernels. If that investor-presentation claim holds up, it could reduce the engineering cost of using more than one accelerator vendor; the result has not been independently verified.","published_at":"2026-11-12","updated_at":"2026-11-12","record_date":"2026-11-12","date_kind":"published_at","topics":["anthropic","claude","google"],"entities":["Anthropic","Claude","Mythos","AMD","AMD MI355X","AWS Trainium","Google TPUs","Nvidia GPUs"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"Anthropic says Mythos ported Claude to AMD GPUs in three days, with the model handling nearly all kernel work.","prior_refs":["https://newruntime.com/posts/anthropic-s-claude-mythos-5-2-is-an-07a4f8/"],"source_url":"https://the-decoder.com/anthropic-says-ai-is-eroding-nvidias-cuda-lead-cutting-an-amd-chip-switch-from-months-to-three-days","source_urls":["https://the-decoder.com/anthropic-says-ai-is-eroding-nvidias-cuda-lead-cutting-an-amd-chip-switch-from-months-to-three-days"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:anthropic-revealed-that-claude-mythos-its-most-powerful-438b1c","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/anthropic-revealed-that-claude-mythos-its-most-powerful-438b1c/","markdown":"https://newruntime.com/posts/anthropic-revealed-that-claude-mythos-its-most-powerful-438b1c.md","json":"https://newruntime.com/posts/anthropic-revealed-that-claude-mythos-its-most-powerful-438b1c.json"},"markdown_url":"https://newruntime.com/posts/anthropic-revealed-that-claude-mythos-its-most-powerful-438b1c.md","next_reads":[{"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":"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/google/","url":"https://newruntime.com/topics/google/","title":"Google","reason":"Explore the google topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/google.md","json_url":"https://newruntime.com/topics/google.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"}]}