# Iris-mini and Iris-pro are the strongest open-weight search agents in their class > Source: > Published: 2026-09-13 12:58:18+00:00 # Iris-mini and Iris-pro are the strongest open-weight search agents in their class [The Decoder](https://the-decoder.com) The AllSpark team has released Iris-mini and Iris-pro, two open-source search agents built on Qwen models that lead benchmarks among open-[weight](/glossary/weight) models in their size classes. According to the paper, the [training](/glossary/training) data and models also improved performance on tasks they were never trained for, including general [tool use](/glossary/tool-use) and office work. The article [Iris-mini and Iris-pro are the strongest open-weight search agents in their class](https://the-decoder.com/iris-mini-and-iris-pro-are-the-strongest-open-weight-search-agents-in-their-class/) appeared first on [The Decoder](https://the-decoder.com). Get AI news in your inbox Daily digest of what matters in AI. ## Key Terms Explained [Decoder](/glossary/decoder) The part of a neural network that generates output from an internal representation. [Tool Use](/glossary/tool-use) The ability of AI models to interact with external tools and systems — browsing the web, running code, querying APIs, reading files. [Training](/glossary/training) The process of teaching an AI model by exposing it to data and adjusting its parameters to minimize errors. [Weight](/glossary/weight) A numerical value in a neural network that determines the strength of the connection between neurons.