Fast mode removed for Claude Opus 4.7

DeprecationJul 24, 2026VerifiedAdded Sep 22, 2026

Requests to claude-opus-4-7 with speed fast now return an error rather than falling back to standard speed. The model stays available at standard speed; migrate to Opus 5 or Opus 4.8 to keep fast mode.

LLMs

Read Anthropic's release notes

https://platform.claude.com/docs/en/release-notes/overview#july-24-2026

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

More Claude Platform releases

Claude PlatformJul 24, 2026

Claude Opus 5 launches with a 1M token context window at $5 / $25 per MTok

Claude Opus 5 improves on Opus 4.8 with a 1M token context window, 128k max output and thinking on by default, at the same $5 / $25 per MTok price. It is available on the Claude API, Bedrock, Google Cloud and Microsoft Foundry.

GALLMsPricingDeveloper toolsSource

Claude PlatformJul 24, 2026

Claude Opus 5 only allows disabling thinking at effort high or below

Disabling thinking with effort xhigh or max returns a 400 error on Claude Opus 5, a breaking change from Opus 4.8 that integrations should check before migrating.

UpdateLLMsSource

Claude PlatformJul 24, 2026

Effort is the primary control for Claude Opus 5

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UpdateLLMsSource

Claude PlatformJul 24, 2026

Mid-conversation tool changes enter beta on the Claude API

Add or remove tools between turns while preserving the prompt cache on Claude Fable 5, Mythos 5, Opus 4.8 and Opus 5, using the mid-conversation-tool-changes-2026-07-01 beta header.

BetaLLMsSource

Claude PlatformJul 24, 2026

Claude API fallbacks parameter adds a default mode for recommended fallbacks

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BetaDeveloper toolsSource

Claude PlatformJul 22, 2026

Claude Managed Agents agents accept an effort level in model configuration

Pass effort inside the model object when creating a Claude Managed Agents agent to set its effort level.

UpdateAI agentsLLMsDeveloper toolsSource

Claude PlatformJul 22, 2026

Claude Managed Agents webhooks cover environment and memory store lifecycle

Four environment.* and three memory_store.* webhook event types let you react to environment and memory store lifecycle changes without polling.

UpdateAI agentsLLMsSource

Claude PlatformJul 22, 2026

Claude Managed Agents sessions can be seeded with initial events

POST /v1/sessions accepts initial_events with up to 50 user.message and user.define_outcome events, and a non-empty list starts the agent loop in the same call.

UpdateAI agentsLLMsSource

Also shipped on Jul 24, 2026

Snowflake Cortex CodeJul 24, 2026

Skill and plugin sharing in CoCo (Public Preview)

Skill and plugin sharing is now available in public preview. Share, discover, and govern CoCo skills and plugins across your Snowflake account. Publish them as Cortex Extension objects that teammates can find and install, with administrator certification, access control, and usage telemetry. For more information, see Share skills and plugins .

PreviewObservabilityCoding agentsSource

Databricks Unity CatalogJul 24, 2026

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BetaGovernanceSource

Databricks Databricks Data Intelligence PlatformJul 24, 2026

Git CLI commands in Git folders are now in Public Preview

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PreviewDeveloper toolsSource

Databricks LakebaseJul 24, 2026

Diagnose and fix Lakebase issues with Genie, using telemetry in Unity Catalog (Beta)

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BetaGovernanceBIObservabilitySource

Google Cloud Dataplex Universal CatalogJul 24, 2026

Knowledge Catalog governance workflows for data product access in preview

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PreviewGovernanceSource

Vercel Vercel platformJul 24, 2026

Vercel WAF for Blob is now in beta

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BetaBIObservabilityDeveloper toolsSource