Sakana Namazu
Sakana Namazu is a Japanese-specialized reasoning model from Sakana AI, based on Kimi K2.6 with additional training for Japanese language and business contexts. It is suited for Japanese instruction following, business writing, mathematics, coding, research, and multi-step agent workflows. Sakana AI may use inputs for model training and improvement by default, with an opt-out available in the Sakana Console. Processing entirely within Japan is not guaranteed.
sakana/sakana-namazu
- Context
- 262k tokens
- Completion cap
- 65,536
- Tools
- Yes
- JSON
- Yes
- Released
- 2026-08-11
Call it from Geek Hub
Same OpenAI SDK. Change the base URL and the model id.
curl https://api.geekhub.mx/v1/chat/completions \
-H "Authorization: Bearer $GEEKHUB_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "sakana/sakana-namazu",
"messages": [{"role": "user", "content": "Hola"}]
}'Frequently asked questions
- What is Sakana Namazu?
- Sakana Namazu is a Japanese-specialized reasoning model from Sakana AI, based on Kimi K2.6 with additional training for Japanese language and business contexts. It is suited for Japanese instruction following, business writing, mathematics, coding, research, and multi-step agent workflows. Sakana AI may use inputs for model training and improvement by default, with an opt-out available in the Sakana Console. Processing entirely within Japan is not guaranteed. Sakana Namazu runs on the Geek Hub API (OpenAI-compatible). Model id: sakana/sakana-namazu.
- Is Sakana Namazu free?
- No. Input is $1.0356 per 1M tokens and output is $4.3602 per 1M tokens on Geek Hub (markup included).
- What is the context length of Sakana Namazu?
- Sakana Namazu has a 262k tokens context window. It supports up to 65,536 completion tokens.
- Does Sakana Namazu support tool calling and structured outputs?
- Sakana Namazu accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.
- When was Sakana Namazu released?
- Sakana Namazu was released on 2026-08-11.