Sakana AI releases Fugu-Ultra v1.1, the latest version of its Fugu model family
The update adds unspecified upgrades and follows strong user adoption of Sakana AI's language models.
By Ryan Merket · Published
Primary source: X
Why it matters
Sakana AI’s Fugu-Ultra v1.1 gives developers a fresh, community‑focused language model, reinforcing the value of rapid, feedback‑driven updates in a crowded AI market.
Sakana AI announced on July 24th, 2026 that it is releasing Fugu-Ultra v1.1 – the newest iteration of its Fugu model family. The announcement came in a short X post from the company’s official account, which read:
Announcing Fugu-Ultra v1.1 🐡
We’ve been thrilled by the reception to the Fugu model family. Thanks to everyone who tried it, shared feedback, and trusted Fugu with real work.
Today, we’re releasing Fugu-Ultra v1.1 → https://t.co/aDEFyySWlS
Upgraded to incorporate the latest https://t.co/AwtLwq67on…
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