Reasoning Tools

Multi-agent model for routing expert agents across complex analytical tasks

sakana/fugu-max 2026-09-11 1M context $2/M input $6/M output
9 providers
Reasoning Tools JSON

Quality-first multi-agent model for hard research, analysis, and competitions

sakana/fugu-ultra 2026-06-15 1M context $5/M input $30/M output
14 providers