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Perplexity AI search, agents, APIs and discovery ecosystem.
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Perplexity Switches Low, Medium and High Agent API Presets to Fast Search
Perplexity has changed the default retrieval mode used by the Agent API's web_search tool for the low, medium and high presets. According to the October 2026 API changelog, these p...
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Perplexity Moves Sonar to Agent API: What Changes for AI Search Integrations and Web Retrieval
Perplexity announced that its traditional Sonar Chat Completions API would move to the Agent API, with the retirement of the legacy endpoint scheduled for September 27, 2026. The a...
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Perplexity Agents Gain Native Document Retrieval: PDFs and Office Files Enter AI Research Workflows
Perplexity has added native document input to its Agent API, allowing AI agents to work directly with PDF, DOC, DOCX, TXT and RTF files. According to the company's October 2026 cha...
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Perplexity Adds Image Search to Agent API: Source Page URLs Bring Attribution Into Multimodal Retrieval
Perplexity has introduced image_search in its Agent API, allowing developers to search the web for images and receive structured results that include both an image URL and the URL....
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Perplexity Switches AI Agents to Fast Search by Default: What Changes for Web Retrieval and Citations?
Perplexity has changed the default web retrieval mode in its Agent API: the low, medium and high presets now automatically use Fast Search. According to its October 2026 API change...
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Perplexity Launches Multimodal Late-Interaction Embeddings: 9B Indexing, 0.6B Retrieval
Perplexity AI has introduced pplx-embed-v2-late, a family of multimodal retrieval models designed to search across text, images and visually rich documents. The October 7, 2026 res...
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Perplexity Halves the Cost of AI Decisions: Cheaper Multimodal Classification Can Reshape Search-Agent Retrieval and Evidence Scoring
Perplexity has released pplx-decider-v1.1-27b, an updated open-weight multimodal decision model designed to make finite decisions inside AI systems rather than generate conventiona...
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Perplexity Agents Gain Image Search: Visual Sources Become Structured Retrieval Results
Perplexity’s Agent API now offers a dedicated image_search tool for retrieving existing web images. For publishers and brands, the useful distinction is that an image can be return...
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Perplexity Adds Persistent Monitoring Agents
Perplexity Computer has launched Automations, adding continuity to recurring agent work. The feature retains context from earlier runs so a new assignment can build on previous fin...
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Perplexity Retires Sonar Chat Completions: Web Search Must Now Be Explicitly Triggered—and Citation Data Moves Inside the Agent Output
Perplexity’s Sonar Chat Completions endpoint reaches its retirement date on September 27, 2026, forcing integrations built around POST /chat/completions to move to the company’s Ag...
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What Is Perplexity SPACE? The Sandbox Behind Perplexity Computer
Long-running AI agents create an infrastructure problem that ordinary code sandboxes were not designed to solve. The agent needs enough freedom to install software, execute code, m...
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