Sakana Namazu API

sakana/sakana-namazu
Sakana AI's Japanese-specialized reasoning model, built on Kimi K2.6.
Context
262K tokens
Input
$1.30663 / 1M tokens
Output
$5.5016 / 1M tokens
Released
Aug 11, 2026

How to use Sakana Namazu API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to sakana/sakana-namazu.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "sakana/sakana-namazu",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "sakana/sakana-namazu",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"sakana/sakana-namazu","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Sakana Namazu API Pricing

TypePrice
Input
$1.30663 / 1M tokens
Output
$5.5016 / 1M tokens
Cached input
$0.20631 / 1M tokens

Cached input priced at $0.195/1M tokens.

Sakana Namazu Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
MMLU-Pro
90.33%
Multi-discipline knowledge + reasoning (harder MMLU)SourceSeptember 21, 2026
LiveCodeBench
90.33%
Contamination-free competitive programming problemsSourceSeptember 21, 2026

Sakana Namazu vs other models

ModelInputOutputContextBest for
Sakana Namazu
This page
$1.30663 / 1M tokens
$5.5016 / 1M tokens
262K tokens
Japanese-language business & reasoning tasks
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$2.6 / 1M tokens
$7.8 / 1M tokens
500K tokens
Reasoning + agents with long context
$5.2 / 1M tokens
$26 / 1M tokens
1M tokens
Frontier reasoning + agents

Frequently asked questions

Sakana Namazu has a 262,144 tokens context window and can return up to 65,536 tokens.

Sakana Namazu takes image, text as input and returns text.

Use sakana/sakana-namazu as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Sakana Namazu became available on August 11, 2026.

Sakana Namazu is priced at input $1.30663 / 1M tokens, output $5.5016 / 1M tokens, cached input $0.20631 / 1M tokens.

Yes, Sakana Namazu can stream responses as they are generated.

Yes, Sakana Namazu accepts image input alongside text.

Sakana Namazu was built by Sakana AI.

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