{"type":"analysis","id":"analysis:haiku-5-5-is-safe-to-fail-over-between-providers-for-classification-not-for-its","slug":"haiku-5-5-is-safe-to-fail-over-between-providers-for-classification-not-for-its","title":"Haiku 5.5 is safe to fail over between providers for classification, not for its agents","description":"Five providers serve Claude Haiku 5.5, and gateways treat them as interchangeable. That holds for single-shot classification. Anthropic's own docs show it does not hold for agents: computer-use tool IDs differ by route, and thinking blocks are restricted to certain accounts.","published_at":"2026-10-26T21:00:00.000Z","updated_at":"2026-10-26T21:00:00.000Z","record_date":"2026-10-26","topics":["anthropic","claude","google"],"source_urls":["https://platform.claude.com/docs/en/about-claude/models/overview","https://platform.claude.com/docs/en/release-notes/overview","https://platform.claude.com/docs/en/models/haiku-5-5/overview","https://claude.com/blog/claude-models-on-google-cloud-anthropic-managed","https://opencode.ai/v2/docs/console/models","https://openrouter.ai/anthropic/claude-haiku-5.5"],"language":"en","routes":{"html":"https://newruntime.com/analysis/haiku-5-5-is-safe-to-fail-over-between-providers-for-classification-not-for-its/","markdown":"https://newruntime.com/analysis/haiku-5-5-is-safe-to-fail-over-between-providers-for-classification-not-for-its.md","json":"https://newruntime.com/analysis/haiku-5-5-is-safe-to-fail-over-between-providers-for-classification-not-for-its.json"},"author":{"role":"author","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"]},"editorial_provenance":{"desk":"authorial","target_ref":"story_cluster:anthropic-claude-haiku-5-5-model-specifications-and-availability-f861933c9d85","authorial_article_id":"e189d874-6f77-4e97-89ee-4c1953c42dfe"},"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":"/analysis/","url":"https://newruntime.com/analysis/","title":"Analysis","reason":"Open the latest authorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/analysis.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"}]}