Blog.

Introducing Toast 1

Introducing Toast 1

Meet Toast 1, Mixedbread's search agent for knowledge-intensive tasks, matching or outperforming Claude Opus 5 and GPT-5.6 Sol while being up to 10× cheaper and 12× faster.

ResearchProduct
August 13, 2026
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6 min read
Mixedbread Team
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How PlanetScale Powers the Mixedbread Control Plane

How PlanetScale Powers the Mixedbread Control Plane

Why Mixedbread moved to PlanetScale for database reliability, low latency, observability, and hands-on support.

EngineeringProduct
4 min readAugust 14, 2026
mxbai-rerank-v3.1-listwise

mxbai-rerank-v3.1-listwise

Meet listwise v3.1, a small upgrade to listwise v3. Now in Mixedbread Search, matching gpt-5.6-sol (high) quality at 61x lower latency.

ResearchProduct
5 min readJuly 27, 2026
Ranking Beyond Binary Relevance: mxbai-rerank-v3-listwise

Ranking Beyond Binary Relevance: mxbai-rerank-v3-listwise

Announcing mxbai-rerank-v3-listwise, our new listwise reranker codesigned with Wholembed v3. It improves results on every benchmark we ran, with state-of-the-art instruction following.

ResearchProduct
15 min readMay 8, 2026
Closing the Oracle Gap for Your Agents

Closing the Oracle Gap for Your Agents

Mixedbread Search v3 narrows the oracle gap for agentic retrieval, topping BrowseComp-Plus and setting leading results on MADQA and OfficeQA-Pro.

EngineeringResearchProduct
7 min readMarch 24, 2026
Beyond the Limit: Introduce Mixedbread Wholembed v3

Beyond the Limit: Introduce Mixedbread Wholembed v3

Announcing Mixedbread Wholembed v3, our new unified omnimodal multilingual retrieval model, setting a new state of the art for search across languages, modalities, and real-world retrieval tasks.

EngineeringResearchProduct
6 min readMarch 12, 2026
Inside Mixedbread: How We Built Multimodal Late-Interaction at Billion Scale

Inside Mixedbread: How We Built Multimodal Late-Interaction at Billion Scale

Technical deep-dive into Mixedbread Search - the first production-ready late-interaction search with native multimodality. Learn how we achieve ~80ms end-to-end latency on billion-scale document collections.

EngineeringResearchProduct
11 min readJanuary 21, 2026
Mixedbread now live on the Vercel Marketplace

Mixedbread now live on the Vercel Marketplace

Announcing the integration of Mixedbread Search with the Vercel Marketplace. Seamlessly integrate state-of-the-art, blazingly fast, multi-modal semantic search into your Vercel projects!

Product
3 min readOctober 23, 2025
Introducing Mixedbread Search

Introducing Mixedbread Search

Introducing Mixedbread Search, the first search API built from the ground up for the AI era, with both humans and AI in mind. Natively multi-modal and multi-lingual, Mixedbread Search eliminates all friction and lets you find information where it lives.

Product
4 min readOctober 1, 2025