Tag: Claude Sonnet

Source URL: https://simonwillison.net/2025/Jun/10/o3-price-drop/ Source: Simon Willison’s Weblog Title: o3 price drop Feedly Summary: OpenAI just dropped the price of their o3 model by 80% – from $10/million input tokens and $40/million output tokens to just $2/million and $8/million for the very same model. This is in advance of the release of o3-pro which apparently is…

Simon Willison’s Weblog: Large Language Models can run tools in your terminal with LLM 0.26

May 27, 2025

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Source URL: https://simonwillison.net/2025/May/27/llm-tools/ Source: Simon Willison’s Weblog Title: Large Language Models can run tools in your terminal with LLM 0.26 Feedly Summary: LLM 0.26 is out with the biggest new feature since I started the project: support for tools. You can now use the LLM CLI tool – and Python library – to grant LLMs…

Simon Willison’s Weblog: Highlights from the Claude 4 system prompt

May 25, 2025

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Source URL: https://simonwillison.net/2025/May/25/claude-4-system-prompt/ Source: Simon Willison’s Weblog Title: Highlights from the Claude 4 system prompt Feedly Summary: Anthropic publish most of the system prompts for their chat models as part of their release notes. They recently shared the new prompts for both Claude Opus 4 and Claude Sonnet 4. I enjoyed digging through the prompts,…

Simon Willison’s Weblog: System Card: Claude Opus 4 & Claude Sonnet 4

May 25, 2025

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Source URL: https://simonwillison.net/2025/May/25/claude-4-system-card/#atom-everything Source: Simon Willison’s Weblog Title: System Card: Claude Opus 4 & Claude Sonnet 4 Feedly Summary: System Card: Claude Opus 4 & Claude Sonnet 4 Direct link to a PDF on Anthropic’s CDN because they don’t appear to have a landing page anywhere for this document. Anthropic’s system cards are always worth…

AWS News Blog: Introducing Claude 4 in Amazon Bedrock, the most powerful models for coding from Anthropic

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Source URL: https://aws.amazon.com/blogs/aws/claude-opus-4-anthropics-most-powerful-model-for-coding-is-now-in-amazon-bedrock/ Source: AWS News Blog Title: Introducing Claude 4 in Amazon Bedrock, the most powerful models for coding from Anthropic Feedly Summary: Claude Opus 4 is now available on Amazon Bedrock for developers to build advanced AI agents with improved reasoning and coding capabilities, as well as expanded context for building more autonomous…

The Register: Anthropic’s Claude 4 models more willing than before to blackmail some users

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Source URL: https://www.theregister.com/2025/05/22/anthropic_claude_opus_4_sonnet/ Source: The Register Title: Anthropic’s Claude 4 models more willing than before to blackmail some users Feedly Summary: Open the pod bay door Anthropic on Thursday announced the availability of Claude Opus 4 and Claude Sonnet 4, the latest iteration of its Claude family of machine learning models.… AI Summary and Description:…

Simon Willison’s Weblog: Updated Anthropic model comparison table

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Source URL: https://simonwillison.net/2025/May/22/updated-anthropic-models/#atom-everything Source: Simon Willison’s Weblog Title: Updated Anthropic model comparison table Feedly Summary: Updated Anthropic model comparison table A few details in here about Claude 4 that I hadn’t spotted elsewhere: The training cut-off date for Claude Opus 4 and Claude Sonnet 4 is March 2025! That’s the most recent cut-off for any…

Slashdot: Anthropic Releases Claude 4 Models That Can Autonomously Work For Nearly a Full Corporate Workday

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Source URL: https://slashdot.org/story/25/05/22/1653257/anthropic-releases-claude-4-models-that-can-autonomously-work-for-nearly-a-full-corporate-workday Source: Slashdot Title: Anthropic Releases Claude 4 Models That Can Autonomously Work For Nearly a Full Corporate Workday Feedly Summary: AI Summary and Description: Yes Summary: Anthropic has introduced Claude Opus 4 and Claude Sonnet 4, advanced coding and generative AI models, showcasing significant improvements in performance and capabilities, particularly for development…

Cloud Blog: Announcing Anthropic’s Claude Opus 4 and Claude Sonnet 4 on Vertex AI

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