| Jun | Jul | Aug | Sep | |||||||||||||
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| Sunday | No releases on Jun 21, 2026 | No releases on Jun 28, 2026 | No releases on Jul 5, 2026 | No releases on Jul 12, 2026 | No releases on Jul 19, 2026 | No releases on Jul 26, 2026 | No releases on Aug 2, 2026 | No releases on Aug 9, 2026 | No releases on Aug 16, 2026 | No releases on Aug 23, 2026 | No releases on Aug 30, 2026 | No releases on Sep 6, 2026 | ||||
| Monday | 1 release on Jun 22, 2026 | 1 release on Jun 29, 2026 | No releases on Jul 6, 2026 | No releases on Jul 13, 2026 | No releases on Jul 20, 2026 | No releases on Jul 27, 2026 | 1 release on Aug 3, 2026 | 1 release on Aug 10, 2026 | No releases on Aug 17, 2026 | No releases on Aug 24, 2026 | No releases on Aug 31, 2026 | No releases on Sep 7, 2026 | ||||
| Tuesday | No releases on Jun 23, 2026 | 1 release on Jun 30, 2026 | No releases on Jul 7, 2026 | 1 release on Jul 14, 2026 | No releases on Jul 21, 2026 | No releases on Jul 28, 2026 | No releases on Aug 4, 2026 | 1 release on Aug 11, 2026 | 1 release on Aug 18, 2026 | No releases on Aug 25, 2026 | 1 release on Sep 1, 2026 | No releases on Sep 8, 2026 | ||||
| Wednesday | No releases on Jun 24, 2026 | 1 release on Jul 1, 2026 | 1 release on Jul 8, 2026 | 1 release on Jul 15, 2026 | 1 release on Jul 22, 2026 | No releases on Jul 29, 2026 | 1 release on Aug 5, 2026 | No releases on Aug 12, 2026 | 1 release on Aug 19, 2026 | 1 release on Aug 26, 2026 | No releases on Sep 2, 2026 | No releases on Sep 9, 2026 | ||||
| Thursday | 1 release on Jun 18, 2026 | 1 release on Jun 25, 2026 | 1 release on Jul 2, 2026 | No releases on Jul 9, 2026 | No releases on Jul 16, 2026 | No releases on Jul 23, 2026 | No releases on Jul 30, 2026 | No releases on Aug 6, 2026 | No releases on Aug 13, 2026 | 1 release on Aug 20, 2026 | 1 release on Aug 27, 2026 | 1 release on Sep 3, 2026 | No releases on Sep 10, 2026 | |||
| Friday | No releases on Jun 19, 2026 | 1 release on Jun 26, 2026 | No releases on Jul 3, 2026 | 1 release on Jul 10, 2026 | 1 release on Jul 17, 2026 | 1 release on Jul 24, 2026 | No releases on Jul 31, 2026 | 1 release on Aug 7, 2026 | No releases on Aug 14, 2026 | No releases on Aug 21, 2026 | No releases on Aug 28, 2026 | No releases on Sep 4, 2026 | No releases on Sep 11, 2026 | |||
| Saturday | No releases on Jun 20, 2026 | No releases on Jun 27, 2026 | No releases on Jul 4, 2026 | No releases on Jul 11, 2026 | No releases on Jul 18, 2026 | No releases on Jul 25, 2026 | 1 release on Aug 1, 2026 | No releases on Aug 8, 2026 | No releases on Aug 15, 2026 | No releases on Aug 22, 2026 | No releases on Aug 29, 2026 | No releases on Sep 5, 2026 |
28 releases since Jun 18, 2026
Version 1.30.0 of the ant CLI adds ant apply , which creates and updates agents, environments, skills, memory stores, and deployments from files in your repository. Describe each resource in a file, r…
We've launched Claude Fable 5.1 ( claude-fable-5-1 ), the successor to Claude Fable 5 for long-running agentic coding, knowledge work, and research, alongside Claude Mythos 5.1 ( claude-mythos-5-1 ) f…
You can now create personal keys and service account keys in the Claude Console. They act as you or as a service account , with the same permissions, and stop working when the linked account is remove…
The Compliance API session endpoints are out of beta for Cowork and Claude Code sessions. See Retrieve session transcripts . The Compliance API local session endpoints now also return transcripts of C…
We've released v1.0 of the Python SDK . The SDK's HTTP layer moves from httpx to httpx2 , a maintained, API-compatible fork: build custom http_client , Timeout , and transport objects from httpx2 (the…
The computer use tool is out of beta on the Claude API as the computer_toolset_20260801 toolset: no beta header, batch actions (several actions in one turn), zoom enabled by default, and per-member co…
Workbench is now playground in the Claude Console. Playground supports every Messages API parameter and includes templates that demonstrate API features such as code execution and web search. It shows…
The Compliance API now returns transcripts of Cowork and Claude Code sessions that run on your users' machines, in beta for Claude Enterprise organizations. GET /v1/compliance/apps/sessions/local list…
The introductory pricing for Claude Sonnet 5 ($2 / $10 per MTok) is now the standard price: the previously scheduled increase to $3 / $15 per MTok on September 1, 2026 will not occur. See Pricing .
You can now set a budget on a Claude Managed Agents session: a hard cap on the session's spend, priced at public list rates. A session that reaches its budget pauses with the budget_reached stop reaso…
Inference hooks are now in beta for Claude Enterprise organizations. Point Claude at your organization's AI security server, and each governed prompt across claude.ai, Cowork, and Claude Code is held…
The Compliance API now returns transcripts of Cowork sessions started on claude.ai web or mobile, in beta for Claude Enterprise organizations. GET /v1/compliance/apps/sessions/remote lists sessions an…
Dreams (research preview) now supports Claude Opus 5. See Supported models .
We've launched Claude Opus 5 ( claude-opus-5 ), a step-change improvement over Claude Opus 4.8. Claude Opus 5 supports a 1M token context window (both the default and the maximum), 128k max output tok…
You can now set an effort level on a Claude Managed Agents agent's model configuration. Pass effort inside the model object when you create the agent . See Effort levels for what each level does. Webh…
The legacy Workbench ( platform.claude.com/workbench ) in the Claude Console is being sunset with access ending on August 17, 2026. Saved prompts, variables, and evals are not supported in the updated…
Mid-conversation system messages are available on Claude Fable 5, Claude Mythos 5, and Claude Opus 4.8, on the Claude API, Claude in Amazon Bedrock , and Google Cloud . No beta header is required. Thi…
You can now manage the people in your Claude Enterprise (claude.ai) organization with the Admin API , in beta for all Claude Enterprise organizations: list members and look them up by email address, c…
Dreams (research preview) now supports Claude Fable 5 and Claude Sonnet 5. See Supported models . We've expanded the Access Transparency documentation of cmek_preserve events with a filter example, an…
You can now set an expiration when you create an API key or an Admin API key in the Claude Console . Choose a preset, a custom duration, or Never . For keys with a lifetime of at least 7 days, Anthrop…
We've added the agent-memory-2026-07-22 beta header, which changes how listing memories ( GET /v1/memory_stores/{memory_store_id}/memories ) behaves: results are returned in a stable, server-defined o…
We've restored access to Claude Fable 5 and Claude Mythos 5. See our statement for more information.
We've launched Claude Sonnet 5 ( claude-sonnet-5 ), the next generation of our Sonnet model family, at introductory pricing of $2 / $10 per MTok (made the standard price on August 10, 2026). Claude So…
We've removed fast mode for Claude Opus 4.6. Requests to claude-opus-4-6 with speed: "fast" no longer run at fast speed or premium pricing: they run at standard speed, are billed at standard rates, an…
We've raised rate limits across the Claude API. Claude Sonnet and Claude Haiku rate limits now match Claude Opus at every usage tier, and usage tiers have been consolidated into three: Start, Build, a…
We've deprecated fast mode for Claude Opus 4.7, with removal on July 24, 2026. After removal, requests to claude-opus-4-7 with speed: "fast" will return an error. Migrate to fast mode for Claude Opus…
MCP tunnels (research preview): the management API moved from /v1/organizations/tunnels on the Admin API to /v1/tunnels on the Claude API. The new surface uses the anthropic-beta: mcp-tunnels-2026-06-…
The Python, TypeScript, Go, Java, Ruby, PHP, and C# SDKs now include support for code_execution_20260120 , the code execution tool version that adds REPL state persistence and is the minimum version f…
OpenAI's coding agent, running locally in the terminal.
Get up and running with large language models locally.
Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞
An Open Source Machine Learning Framework for Everyone
An agentic skills framework & software development methodology that works.
Skills for Real Engineers. Straight from my .agents directory.