---
format: "aidr-story-markdown/v1"
id: "21d3694159496fd5fc22e49229bf937f17e3d6d7e70a2b7532c7c9929cdd3f52"
canonical_url: "https://aidr.today/21d36941?lang=en"
title: "Sakana AI Fugu Ultra v2 Beats Opus 5 on Chartography Using Open Model Orchestration"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-09-11T23:36:28.000Z"
category: "Research"
topics: ["sakana-ai","fugu-ultra-v2","opus","chartography","open-model"]
source_urls: ["https://huggingnews.com/ai/sakana-ai-fugu-ultra-v2-beats-opus-5-on-chartography-using-open-model-or-ef2d90de"]
summary: "Fugu Ultra v2 scored 48.3 on the Chartography benchmark, outperforming Opus 5"
---

# Sakana AI Fugu Ultra v2 Beats Opus 5 on Chartography Using Open Model Orchestration

> [Open the canonical story](<https://aidr.today/21d36941?lang=en>)

**Published:** 2026-09-11T23:36:28.000Z
**Category:** Research
**Topics:** sakana\-ai, fugu\-ultra\-v2, opus, chartography, open\-model

## Summary

Fugu Ultra v2 scored 48\.3 on the Chartography benchmark, outperforming Opus 5

## Sources

- [Story source](<https://huggingnews.com/ai/sakana-ai-fugu-ultra-v2-beats-opus-5-on-chartography-using-open-model-or-ef2d90de>)