sakana/fugu-ultraFugu Ultra is the higher-performance model in Sakana AI's Fugu family.
Scores on standardized evaluations. Higher is better — and rank shows where Fugu Ultra lands among all models tracked on Model Beat.
No standardized benchmark scores from Epoch AI yet — common for very recent, image, or niche models. Scores appear here once published.
Fugu Ultra is the higher-performance model in Sakana AI's Fugu family.
Fugu Ultra is an AI model developed by Sakana, released Jun 24, 2026.
Fugu Ultra is priced at $5 per million input tokens and $30 per million output tokens (representative pricing via OpenRouter).
Fugu Ultra supports a context window of up to 1M tokens.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated July 2026.