Model specifications
- Context
- 1,000,000 tokens
- Maximum output
- 128,000 tokens
- Architecture
- text+image+file->text
- Tokenizer
- Other
- Knowledge cutoff
- Not provided
- Moderated
- No
Complete pricing
Synchronized OpenRouter rates. Token prices are shown per one million tokens.
- Input
- $2 per 1M tokens
- Output
- $6 per 1M tokens
- Cache read
- $0.25 per 1M tokens
- Web search
- $10 per 1,000 calls
Model configuration
Reasoning
- Reasoning required
- Yes
- Default parameters
- high
- Capabilities
- max, xhigh, high
Quick start
Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.
curl --fail-with-body https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"sakana/fugu-max","messages":[{"role":"user","content":"Hello!"}]}'Input → Output
Yes · max · xhigh · high
Supported API parameters
include_reasoningreasoningreasoning_effortstructured_outputstool_choicetoolsweb_search_options1 Provider
Checked: September 12, 2026
Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.
Sakana AI
Not provided- Context
- 1M
- Maximum output
- 128K
- Input
- $2
- Output
- $6
- Cache read
- $0.25
- Cache write
- Not provided