Microsoft Edge Unveils AI APIs for Web App Development
Microsoft introduces new Edge APIs, enabling developers to integrate AI features into web apps using built-in Edge models.
Announced at Build 2025, these AI APIs align with Google Chrome’s built-in AI capabilities, positioning Edge as a competitive alternative for developers.
Edge’s APIs grant websites and browser extensions access to Phi 4 mini, a 3.8 billion-parameter AI model released in February, optimized for math tasks with a blend of human and synthetic training data.
Parameters reflect a model’s problem-solving ability, with larger models typically outperforming smaller ones. Compact models like Phi 4 mini, however, run efficiently on devices such as laptops and mobiles.
Edge also rolls out AI writing APIs for text generation, summarization, and editing. A translator API for AI-driven language translation is slated for release in the coming months.
“These APIs aim to become web standards, functioning across platforms, browsers, and AI models,” Microsoft stated in a TechCrunch press release. “They ensure privacy and security for sensitive data through on-device processing, avoiding external cloud reliance.”
All new AI APIs are accessible in Edge’s Canary and Dev channels.
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Microsoft also introduces a PDF translation tool for Edge, supporting over 70 languages. Users can open a PDF, click the “Translate” icon in the address bar, and generate a translated document in their preferred language.
PDF translation will launch next month, with Canary users able to test it now.
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Microsoft introduces new Edge APIs, enabling developers to integrate AI features into web apps using built-in Edge models.
Announced at Build 2025, these AI APIs align with Google Chrome’s built-in AI capabilities, positioning Edge as a competitive alternative for developers.
Edge’s APIs grant websites and browser extensions access to Phi 4 mini, a 3.8 billion-parameter AI model released in February, optimized for math tasks with a blend of human and synthetic training data.
Parameters reflect a model’s problem-solving ability, with larger models typically outperforming smaller ones. Compact models like Phi 4 mini, however, run efficiently on devices such as laptops and mobiles.
Edge also rolls out AI writing APIs for text generation, summarization, and editing. A translator API for AI-driven language translation is slated for release in the coming months.
“These APIs aim to become web standards, functioning across platforms, browsers, and AI models,” Microsoft stated in a TechCrunch press release. “They ensure privacy and security for sensitive data through on-device processing, avoiding external cloud reliance.”
All new AI APIs are accessible in Edge’s Canary and Dev channels.
Join TechCrunch Sessions: AI
Reserve your spot at our premier AI event featuring speakers from OpenAI, Anthropic, and Cohere. Tickets are $292 for a full day of expert talks, workshops, and networking, available for a limited time.
Exhibit at TechCrunch Sessions: AI
Showcase your innovation to 1,200+ decision-makers at TC Sessions: AI. Exhibit tables are available through May 9 or until sold out.
Microsoft also introduces a PDF translation tool for Edge, supporting over 70 languages. Users can open a PDF, click the “Translate” icon in the address bar, and generate a translated document in their preferred language.
PDF translation will launch next month, with Canary users able to test it now.
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