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14 matching — model launches, API releases, product updates, financial events and news.

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October 20261

Oct 15, 2026Claude Opus 5.5 fast mode opens without waitlistAnthropic · Claude Opus 5.5 · claude-opus-5-5

Anthropic removed the waitlist and beta header for fast mode on Claude Opus 5.5, giving Start, Build and Scale tier API customers (and Claude in Microsoft Foundry on Azure) up to 2.5x higher output tokens per second. Fast mode is priced at $8 per million input tokens and $40 per million output tokens.

Claude Platform docs API updateAnthropicClaude Opus 5.5

October 20251

Oct 16, 2025Claude Agent Skills introducedAnthropic · Claude Agent Skills

Anthropic introduced reusable Skills across Claude apps, Claude Code, and the API.

Anthropic SDK releaseAnthropicClaude Agent Skills

September 20251

Sep 29, 2025Claude Agent SDK releasedAnthropic · Claude Agent SDK

Anthropic released an SDK exposing the agent-building infrastructure used by Claude Code.

Anthropic SDK releaseAnthropicClaude Agent SDK

May 20251

May 7, 2025Web search tool launched on the Anthropic APIAnthropic · Claude API

Anthropic released a web search tool for developers building Claude-powered applications.

Anthropic API releaseAnthropicClaude API

March 20251

Mar 13, 2025Token-saving API updates releasedAnthropic · Claude API

Anthropic released API features designed to reduce token use and improve long-running agent workflows.

Anthropic API updateAnthropicClaude API

November 20241

Nov 25, 2024Model Context Protocol open-sourcedAnthropic · Model Context Protocol

Anthropic introduced and open-sourced MCP, its specification, SDKs, local Claude Desktop support, and reference servers.

Anthropic SDK releaseAnthropicModel Context Protocol

October 20242

Oct 22, 2024Claude computer use public beta launchedAnthropic · Claude computer use

Anthropic launched computer use in public beta, allowing developers to direct Claude to operate graphical computer interfaces.

Anthropic API releaseAnthropicClaude computer use
Oct 8, 2024Message Batches API launchedAnthropic · Message Batches API

Anthropic launched asynchronous batch processing for large volumes of Claude API requests.

Anthropic API releaseAnthropicMessage Batches API

September 20241

Sep 19, 2024Contextual Retrieval introducedAnthropic · Claude API

Anthropic introduced Contextual Retrieval, combining contextual embeddings and BM25 to improve retrieval-augmented generation.

Anthropic API updateAnthropicClaude API

August 20241

Aug 14, 2024Prompt caching launched on the Claude APIAnthropic · Claude API

Anthropic launched prompt caching to reduce latency and cost for repeated long-context prompts.

Anthropic API updateAnthropicClaude API

May 20241

May 30, 2024Claude tool use became generally availableAnthropic · Claude API

Anthropic made tool use generally available across the Claude API, Amazon Bedrock, and Google Vertex AI.

Anthropic API updateAnthropicClaude API

December 20231

Dec 19, 2023Anthropic expands API legal protectionsAnthropic · Claude API

Anthropic expanded commercial legal protections and improved API access and enterprise terms.

Anthropic API updateAnthropicClaude API

May 20231

May 11, 2023Claude context window expanded to 100K tokensAnthropic · Claude API

Anthropic expanded Claude's API context window from 9K to 100K tokens.

Anthropic API updateAnthropicClaude API

March 20231

Mar 14, 2023Claude API and developer console launchedAnthropic · Claude API

Anthropic made Claude available through an API and chat interface in its developer console.

Anthropic API releaseAnthropicClaude API
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