Fugu Max

sakana/fugu-max

A chat model with a 1M-token context window, at $2.10 per million input tokens and $6.30 per million output tokens.

Details

Maker
sakana
Kind
Chat
Context window
1,000,000 tokens
Max output
1,000,000 tokens
Input
$2.10 per million tokens
Cached input
$0.2625 per million tokens, 88% off
Cache write
Same as input
Output
$6.30 per million tokens
Capabilities
Reasoning, tool use, vision
Takes
Text, image
Returns
Text
Zero data retention
Not on every provider
No training on requests
Yes, on every provider
Released
2026-09-10

Description

Fugu Max orchestrates our largest pool of models to push the cost–performance Pareto frontier. It dynamically finds efficient combinations of expert agents, aiming to improve model performance and cost efficiency together.

Call it

curl
curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "sakana/fugu-max",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.