DEEP REASONING · Sakana
Fugu Ultra v2
Fugu Ultra v2 is a reasoning, tool-using model from Sakana in the Sakana family, living in The High Peaks (deep reasoning). It reads text, files and images and writes text, with a 1M-token context window and up to 128K tokens of output. On OpenRouter it costs $5.00 per million input tokens and $30.0 per million output tokens.
See Fugu Ultra v2 in 3DOpen in the WorktableView on OpenRouter
Specifications
- Provider
- Sakana
- Family
- Sakana
- Province
- The High Peaks
- Context window
- 1M tokens
- Maximum output
- 128K tokens
- Input / 1M tokens
- $5.00
- Output / 1M tokens
- $30.0
- Accepts
- text, files, images
- Produces
- text
- Reasoning
- Yes
- Tool use
- Yes
- Added to OpenRouter
- 2026-09-11
- Model ID
sakana/fugu-ultra-v2- Price history
- —All recorded prices
From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.