Fugu Max API

Model details

Context window

1M tokens

Max output

—

Input

Text, images

Output

Text

Capabilities

Reasoning, Vision, Tool calling, Streaming, JSON output

Interfaces

OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses

Why teams pick it

• Fugu Max for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.

Call Fugu Max

Fugu Max answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.

curl https://api.inferray.com/v1/chat/completions \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "fugu-max",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'

curl https://api.inferray.com/v1/messages \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "fugu-max",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'

curl https://api.inferray.com/v1/responses \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "fugu-max",
  "input": "Hello"
}'

Use Fugu Max in your tools

Every coding agent below has a setup guide. Set the model to fugu-max.

• Claude Code
• Codex
• opencode
• Cline
• Roo Code
• Aider
• Continue

More from Sakana AI

Alternatives to Fugu Max

• Qwen3.8 MaxAlibaba's flagship MoE, built for coding and long-horizon agents.Alibaba
• Grok 4.20 Beta Non-Reasoning (0309)Grok 4.20 Beta Non-Reasoning (0309) for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.xAI
• Mistral Medium 3.5Mistral Medium 3.5 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Mistral

Questions about this model

How much does the Fugu Max API cost?

Fugu Max costs $2 per 1M input tokens and $6 per 1M output tokens on Inferray, and cached input is $0.25 per 1M. That is the list price, with no gateway fee on top.

Is there a free tier for Fugu Max?

No. You add credit and pay Fugu Max's list rate for each request — seats, projects, and API keys are free, and pay-as-you-go credit never expires.

Am I charged for failed requests?

No. A request that fails without returning a result is not billed. If a response fails part-way, the tokens already processed before the failure are charged.

Is Fugu Max included in Token Plans?

No. Fugu Max is pay-as-you-go only; Token Plans cover the other text models in the catalog.

Can I use Fugu Max in Claude Code?

Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to fugu-max. The same key works in Codex, opencode, Cline, and other agents.

Does Fugu Max support tool calling and vision?

Fugu Max supports tool calling, image input, reasoning, JSON output and streaming on Inferray.

Is it the real Fugu Max?

Yes. A request for fugu-max is answered by Fugu Max from Sakana AI, billed at its published list price. Inferray never substitutes a different or smaller model.