sakana · Frontier
Fugu Max
Sakana AI's cost-performance Fugu model uses learned multi-agent orchestration to route tasks across expert models for reasoning, coding, and tool use.
- Reasoning
- Tools
- Vision
- Structured output
- PDF input
- Input
- Text, Images
- Output
- Text
- Reasoning effort
- high · xhigh · max
- Discovery tier
- Frontier
Pricing
USD per 1M tokens- Input
- $2.00
- Output
- $6.00
- Cache read
- $0.25
Reference prices as published by the model provider. API example
Specifications
- Context window
- 1M
- Max output
- 128K
- Average output (7 days)
- 2.2K tokens
- Longer than 92% of 473 models
Side by side
Fugu Max compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| Fugu MaxsakanaThis model | Fugu UltrasakanaRemove | |
|---|---|---|
| Provider | sakana | sakana |
| Discovery tier | Frontier | Frontier |
| Added | Sep 11, 2026 | Jun 22, 2026 |
| Limits | ||
| Context window | 1M | 1M |
| Max output | 128KBest | 16.38K |
| Average output | 2.2K tokens | 33 tokens |
| Pricing, USD per 1M tokens | ||
| Input | $2.00Best | $5.00 |
| Output | $6.00Best | $30.00 |
| Cache read | $0.25Best | $0.50 |
| Performance | ||
| Request success (24h) | 100.0% | — |
| Capabilities | ||
| Reasoning | Yes | Yes |
| Tools | Yes | Yes |
| Vision | Yes | Yes |
| Structured output | Yes | Yes |
| PDF input | Yes | No |
| Reasoning effort | high, xhigh, max | high, xhigh, max |
Public evaluations
Benchmarks
There are no public benchmark results for these models yet.
Live routing data
Performance and reliability
Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.
- Request success (24h)
- 100.0%
- Reliable
Hourly request success · last 72 hoursLowest hour 100.0%
- Healthy (98% or more)
- Degraded (90–98%)
- Down (under 90%)
- No requests
Developers
Use it through the API
Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.
curl https://www.noumen.xyz/api/v1/chat/completions \
-H "Authorization: Bearer $NOUMEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "sakana/fugu-max",
"reasoning_effort": "high",
"messages": [{ "role": "user", "content": "Explain this stack trace." }]
}'import os
from openai import OpenAI
client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
model="sakana/fugu-max",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)sakana
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Other sakana models, starting with the same family.
- FrontierCompare
- Frontier