AI model · Sakana
Fugu Ultra
Model ID: sakana/fugu-ultra
- Input
- $5 per 1M tokens
- Output
- $30 per 1M tokens
- Context
- 1M tokens at once
- Max output
- 128K tokens per reply
- Released
- 24 Jun 2026 Sakana
What it can do
- YesReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes text, image; gives text.
How its listing describes it
Fugu Ultra 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 route...
Sources
- Sakana: Fugu Ultra on OpenRouter — read 2 Oct 2026