Sakana AI
Fugu Ultra v1.1
Quality-first multi-agent model for hard research, analysis, and competitions
Model facts
- Context window
- 1M tokens
- Maximum output
- 131K tokens
- Cheapest paid input
- $5 per 1M tokens
- Cheapest paid output
- $30 per 1M tokens
- Open weights
- no
- Providers
- 2
Capabilities and modalities
reasoning, tool calling, structured output, attachments, text, image.
Observed price history
- 2026-08-24: $5 input / $30 output per 1M tokens
API providers
- EmpirioLabs AI — model id fugu-ultra-v1-1; $5 input / $30 output per 1M tokens; provider documentation
- NanoGPT — model id sakana/fugu-ultra-v1.1; $5.25 input / $31.5 output per 1M tokens; provider documentation