Provider changes/AnthropicAI
Anthropic changes and updates.
Evidence-backed changes approved by Auterim’s policy. A provider mention or date alone is not a claim about your own systems.
3 current approved updatesLast verified Oct 30, 2026Approved intelligence
Recent and upcoming changes.
Latest
10Claude Opus 4.8 fast mode is deprecated and will be removed on November 30, 2026
Claude Opus 4.8 fast mode is deprecated and will be removed on November 30, 2026. Requests using speed: "fast" will then return an error; continued fast-mode use requires migration to Claude Opus 5.5.Verified Oct 30Published request-per-minute limits increase for four model rows across three tiers
Published request-per-minute limits increase for four model rows across three tiers, reaching 4,000, 10,000, and 13,000 RPM. The Rate Limits API also gains optional workspace-limit configuration.Verified Oct 30The first-party Claude API increases maximum request size from 32 MB to 128 MB for Messages and Token Counting
The first-party Claude API increases maximum request size from 32 MB to 128 MB for Messages and Token Counting. Existing usage and cost reporting APIs are designated legacy but remain supported.Verified Oct 29Claude Haiku 5.5 is newly listed as active, with retirement no sooner than October 7, 2027
Claude Haiku 5.5 is newly listed as active, with retirement no sooner than October 7, 2027.Verified Oct 26The Compliance API now supports downloading Claude Docs documents as Word files in beta
The Compliance API now supports downloading Claude Docs documents as Word files in beta.Verified Oct 26Recommended replacement models change from claude-sonnet-4-6 to claude-sonnet-5-5 for five older Sonnet models
Recommended replacement models change from claude-sonnet-4-6 to claude-sonnet-5-5 for five older Sonnet models. The parameter deprecation label broadens from Claude Opus 4.7 and later to all Claude 4.7 and later models.Verified Oct 26Adds beta dynamic workflows for Managed Agents and documents additional Haiku 5.5 incompatibilities
Adds beta dynamic workflows for Managed Agents and documents additional Haiku 5.5 incompatibilities, tool replacements, thinking-output behavior, and lack of structured outputs on Amazon Bedrock.Verified Oct 26API version 2026-10-21 removes temperature
API version 2026-10-21 removes temperature, top_p, and top_k, returning a 400 error rather than conditionally rejecting non-default values on specified models. Anthropic-managed Claude Models on Google Cloud are also explicitly included in Anthropic's retirement schedule.Verified Oct 26A new API version and SDK/CLI releases introduce default-version changes
A new API version and SDK/CLI releases introduce default-version changes, breaking changes, and an Apache 2.0 license transition. Additional changes include Anthropic-managed Google Cloud availability, user-profile enforcement APIs, enterprise APIs, and administrative web-fetch controls.Verified Oct 24The Compliance API adds access to saved user instructions
The Compliance API adds access to saved user instructions. Opus 5.5 fast mode exits research preview, removes the beta-header requirement compatibly, gains default tier rate limits, and becomes available in Microsoft Foundry. Beta OpenTelemetry export and AWS Managed Agents scheduled deployments are also introduced.Verified Oct 16
Every change page links to Anthropic’s original source. Scan your stack to see likely dependencies, then confirm them in your workspace before Auterim protects them.
Does this affect you?
This page is the same for everyone. Auterim tells you which changes touch your product, and where.