How to Summarize Text with Anthropic on Mac
Leverage Claude's exceptional long-document comprehension to summarize text on your Mac. Echoo connects to Anthropic's API so you can distill lengthy content into key takeaways with a single shortcut.
Why This Combination Works
Claude is widely regarded as one of the best models for summarization, particularly for long and complex documents. Its 200K token context window is among the largest available, and Anthropic's focus on accuracy means Claude summaries are highly faithful to the source material. Claude is especially careful about not introducing information that wasn't in the original text, making it trustworthy for professional use.
Recommended Model
Claude Sonnet 4.5 is the ideal model for summarization. Its 200K context window handles even book-length documents, and its summaries are known for being faithful, well-organized, and free of hallucinated details. For shorter content where speed matters most, Claude Haiku provides snappy summaries at minimal cost.
Example Prompt
Summarize the following text concisely. Capture the main arguments, key data points, and conclusions. Organize the summary with clear structure. Do not add information not present in the original. Return only the summary.
Setup Steps
Download Echoo
Install Echoo from echoo.ai. It runs from your Mac menu bar and works in every application on your system.
Add your Anthropic API key
Open Echoo settings, go to the Providers tab, choose Anthropic, and paste your API key from console.anthropic.com.
Create a Summarize command
Set up a custom Summarize command in Echoo with Claude Sonnet 4.5 selected. Customize the prompt to specify your preferred summary format — bullets, paragraph, or structured outline.
Highlight text and press the shortcut
Select any text in any Mac app, press your shortcut, and Echoo sends it to Claude for a faithful, concise summary.
Frequently Asked Questions
Claude's training emphasizes faithfulness to source material. It's less likely to hallucinate details or inject opinions into summaries compared to other models. Its massive 200K context window also means it can process very long documents without losing information from earlier sections.
Yes, Claude handles technical content very well. It correctly identifies key findings, methodology notes, and conclusions in academic papers without oversimplifying the technical substance.
Claude Sonnet 4.5 costs about $3 per million input tokens. Summarizing a 10-page document costs a few cents. For frequent summarization, Haiku at $0.25 per million input tokens is one of the most affordable options available.
Explore More
Ready to Try It?
Download Echoo for free and start transforming text with AI shortcuts.