Sakana AI
Fugu Ultra v2.0
Quality-first multi-agent model for hard research, analysis, and competitions
Model facts
- Context window
- 1M tokens
- Maximum output
- 1M tokens
- Cheapest paid input
- $5 per 1M tokens
- Cheapest paid output
- $30 per 1M tokens
- Open weights
- no
- Providers
- 3
Capabilities and modalities
reasoning, tool calling, structured output, attachments, temperature control, text, image.
Observed price history
- 2026-09-11: $5 input / $30 output per 1M tokens
API providers
- DevPass (LLM Gateway) — model id fugu-ultra-v2.0; $5 input / $30 output per 1M tokens; provider documentation
- EmpirioLabs AI — model id fugu-ultra-v2-0; $5 input / $30 output per 1M tokens; provider documentation
- LLM Gateway (Sakana AI) — model id sakana/fugu-ultra-v2.0; $5 input / $30 output per 1M tokens; provider documentation