Anthropic Launches Claude 4 Sonnet: Desktop Computer Use Out-of-the-Box
⚡ Quick Summary
- • Anthropic releases Claude 4 Sonnet, setting a new benchmark for developer-focused LLMs.
- • Introduces desktop-native "Computer Use" capabilities, automating mouse, keyboard, and OS navigation.
- • Boosts reasoning benchmarks, scoring 91.8% on SWE-bench Verified.
- • Expands context window to 300,000 tokens with 2x faster output generation.
Anthropic has officially launched **Claude 4 Sonnet**, the first frontier model in its fourth-generation family. Featuring massive upgrades in coding efficiency, logical reasoning, and complex document comprehension, Claude 4 Sonnet's headline capability is **native desktop computer use**—available immediately through the Anthropic API and the updated Claude desktop application.
Native Computer Use: Taking Control of the Desktop
First teased in preview versions of Claude 3.5, native **Computer Use** is now a core feature of Claude 4. The model can view a virtual desktop screen, calculate precise pixel coordinates for clicking buttons, scroll pages, type keystrokes, and navigate complex folder structures in real-time.
In standard tests, Claude 4 Sonnet was tasked with launching a terminal, downloading a dataset, opening Excel, filtering data, generating a chart, copying the image, opening Chrome, and publishing it to a Slack workspace. The model executed the multi-stage plan autonomously with an **89.5% success rate**, outperforming specialized software automation scripts.
Benchmarks: Coding and System Administration
Claude 4 Sonnet marks a massive shift in raw intelligence. On **SWE-bench Verified** (which measures an AI's ability to fix real-world GitHub issues in complex codebases), Claude 4 Sonnet achieved a record-breaking **91.8% score**, solidifying its position as the premier model for software development agents like Cursor and Windsurf.
Additionally, the context window has been expanded to **300,000 tokens** (approx. 225,000 words), allowing developers to upload entire software modules or massive project folders directly into a single prompt session.
Pricing and API Availability
Claude 4 Sonnet is available starting today in the Console API, Amazon Bedrock, and Google Cloud Vertex AI. Anthropic has maintained the pricing structure of Claude 3.5 Sonnet to encourage developer migration:
- Input Pricing: $3.00 per Million tokens
- Output Pricing: $15.00 per Million tokens
- Prompt Caching: Up to 90% discount on repeated prompt inputs.
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