Fugusashi is an intelligent model router and multi-agent orchestrator. It automatically picks the best AI model for each prompt, learns from every request, runs entirely on your infrastructure — and it's free.
Everything Fugu does, plus what it can't.
Three strategies — similarity, cost, and fallback — pick the best model for every prompt in under 20ms.
Learns from every request. Auto-retrains after every 10 requests. Gets smarter over time.
Every routing decision is visible. No black box. See which model was picked and why.
Run entirely on-premise with local models via Ollama. Air-gapped capable. No cloud dependency.
Real-time web dashboard showing routing decisions, model usage, costs, and latency.
Drop-in replacement for OpenAI API. Works with any OpenAI SDK. 100+ providers via LiteLLM.
See why developers are switching to open source.
| Feature | Sakana Fugu | Fugusashi |
|---|---|---|
| Model Routing | ✓ Proprietary | ✓ Open & transparent |
| Multi-Agent Orchestration | ✓ Fugu Ultra | ✓ Phase 2 |
| Self-Hosting | ❌ Cloud-only | ✓ Local-first |
| Cost | $5-30/M tokens | ✓ Free |
| Transparency | ❌ Black box | ✓ Every decision visible |
| Feedback Loop | ❌ Static | ✓ Learns from every request |
| Model Pool | ❌ Fixed by Sakana | ✓ You control |
| Training Data | ❌ Proprietary | ✓ Community + your traffic |
| License | Proprietary | ✓ MIT |
Two tiers. One fast router. One deep orchestrator.
Up and running in 5 minutes.
The killer feature Fugu doesn't have.