---
format: "aidr-story-markdown/v1"
id: "a9cf57ed6d0d4129b51d76bef0d858b9cb38bee3de348b0f2f07944b04886416"
canonical_url: "https://aidr.today/a9cf57ed?lang=en"
title: "How Molmo 2’s open release helped an MIT researcher rethink fish tracking"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-10-13T08:00:00.000Z"
category: "Open Source"
topics: ["open-source"]
source_urls: ["https://allenai.org/blog/molmo2fish"]
summary: "Molmo 2’s open release helped MIT researcher Kai Van Brunt develop Molmo2Fish. This experimental model tracks salmon in sonar footage and corrects some tracking errors using everyday language."
---

# How Molmo 2’s open release helped an MIT researcher rethink fish tracking

> [Open the canonical story](<https://aidr.today/a9cf57ed?lang=en>)

**Published:** 2026-10-13T08:00:00.000Z
**Category:** Open Source
**Topics:** open\-source

## Summary

Molmo 2’s open release helped MIT researcher Kai Van Brunt develop Molmo2Fish\. This experimental model tracks salmon in sonar footage and corrects some tracking errors using everyday language\.

## Sources

- [Story source](<https://allenai.org/blog/molmo2fish>)