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...
Details
| Field | Value |
|---|---|
| id | sakana/fugu-ultra-v2 |
| family | fugu |
| modality | text+image+pdf->text |
| context_length | 1000000 |
| max_output_tokens | 128000 |
| release_date | 2026-09-11 |
| is_open_weights | no |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | yes |
| supports_attachment | yes |
| input_modalities | text, image, pdf |
| output_modalities | text |