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Perplexity Just Released pplx-embed: New SOTA Qwen3 Bidirectional Embedding Models for Web-Scale Retrieval Tasks

Perplexity has released pplx-embed, a collection of multilingual embedding models optimized for large-scale retrieval tasks. These models are designed to handle the noise and complexity of web-scale data, providing a production-ready alternative to proprietary embedding APIs. Architectural Innovations: Bidirectional Attention and Diffusion Most Large Language Models (LLMs) utilize causal, decoder-only architectures. However, for embedding tasks,

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Weekly Review 27 February 2026

Some interesting links that I Tweeted about in the last week (I also post these on Mastodon, Threads, Newsmast, and Bluesky):Greenwashing applies to AI as much as any other industry: https://www.theguardian.com/technology/2026/feb/17/tech-companies-traditional-ai-generative-climate-breakdown-report No New Zealand lawyers have yet been caught using AI to generate their submissions: https://www.leightonassociates.co.nz/post/no-nz-lawyers-or-employment-advocates-have-been-called-out-for-hallucinated-ai-yet Hiding what an AI coding agent is doing is not making developers happy: https://www.theregister.com/2026/02/16/anthropic_claude_ai_edits/ White-collar

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