October 3rd, 2024

  • We’ve added the ability to disable parallel tool use in the API. Set disable_parallel_tool_use: true in the tool_choice field to ensure that Claude uses at most one tool. Read more in our documentation.

September 10th, 2024

  • We’ve added Workspaces to the Developer Console. Workspaces allow you to set custom spend or rate limits, group API keys, track usage by project, and control access with user roles. Read more in our blog post.

September 4th, 2024

  • We announced the deprecation of the Claude 1 models. Read more in our documentation.

August 22nd, 2024

  • We’ve added support for usage of the SDK in browsers by returning CORS headers in the API responses. Set dangerouslyAllowBrowser: true in the SDK instantiation to enable this feature.

August 19th, 2024

  • We’ve moved 8,192 token outputs from beta to general availability for Claude 3.5 Sonnet.

August 14th, 2024

  • Prompt caching is now available as a beta feature in the Anthropic API. Cache and re-use prompts to reduce latency by up to 80% and costs by up to 90%.

July 15th, 2024

  • Generate outputs up to 8,192 tokens in length from Claude 3.5 Sonnet with the new anthropic-beta: max-tokens-3-5-sonnet-2024-07-15 header. More details here.

July 9th, 2024

  • Automatically generate test cases for your prompts using Claude in the Developer Console. Read more in our blog post.
  • Compare the outputs from different prompts side by side in the new output comparison mode in the Developer Console.

June 27th, 2024

June 20th, 2024

  • Claude 3.5 Sonnet, our most intelligent model yet, is now generally available across the Anthropic API, Amazon Bedrock, and Google Vertex AI.

May 30th, 2024

  • Tool use is now generally available across the Anthropic API, Amazon Bedrock, and Google Vertex AI.

May 10th, 2024

  • Our prompt generator tool is now available in the Developer Console. Prompt Generator makes it easy to guide Claude to generate a high-quality prompts tailored to your specific tasks. Read more in our blog post.