AI model · Sakana
Fugu Ultra v2
Model ID: sakana/fugu-ultra-v2
- Input
- $5 per 1M tokens
- Output
- $30 per 1M tokens
- Context
- 1M tokens at once
- Max output
- 128K tokens per reply
- Released
- 11 Sep 2026 Sakana
What it can do
- YesReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes text, image, file; gives text.
How its listing describes it
Fugu Ultra v2 is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language model trained to...
Sources
- Sakana: Fugu Ultra v2 on OpenRouter — read 2 Oct 2026