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November 21st, 2024

  • We’ve released the Admin API, allowing users to programmatically manage their organization’s resources.

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November 20th, 2024

  • We’ve updated our rate limits for the Messages API. We’ve replaced the tokens per minute rate limit with new input and output tokens per minute rate limits. Read more in our documentation.

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November 20th, 2024

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November 13th, 2024

  • We’ve added PDF support for all Claude 3.5 Sonnet models. Read more in our documentation.

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November 6th, 2024

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November 4th, 2024

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November 1st, 2024

  • We’ve added PDF support for use with the new Claude 3.5 Sonnet. Read more in our documentation.
  • We’ve also added token counting, which allows you to determine the total number of tokens in a Message, prior to sending it to Claude. Read more in our documentation.

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October 22nd, 2024

  • We’ve added Anthropic-defined computer use tools to our API for use with the new Claude 3.5 Sonnet. Read more in our documentation.
  • Claude 3.5 Sonnet, our most intelligent model yet, just got an upgrade and is now available on the Anthropic API. Read more here.

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October 8th, 2024

  • The Messages Batching API is now available in beta. Process large batches of queries asynchronously in the Anthropic API for 50% less cost. Read more in our documentation.
  • We’ve loosened restrictions on the ordering of user/assistant turns in our Messages API. Consecutive user/assistant messages will be combined into a single message instead of erroring, and we no longer require the first input message to be a user message.
  • We’ve deprecated the Build and Scale plans in favor of a standard feature suite (formerly referred to as Build), along with additional features that are available through sales. Read more here.

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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.

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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.

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September 4th, 2024

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

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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.

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August 19th, 2024

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

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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%.

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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.

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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.

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June 27th, 2024

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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.

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May 30th, 2024

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

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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.

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