---
id: "sakana/sakana-namazu"
also: ["sakana/namazu-20260811"]
card_usd_per_m: "0.95 in, 4.0 out, at sakana"
cheapest_list_usd_per_m: "0.95 in, 4.0 out, at sakana on openrouter"
cheapest_effective_usd_per_m: "0.765 in, 4.0 out, at sakana on openrouter"
context: 262144
max_output: 65536
input: ["text", "image", "file"]
output: ["text"]
released: "2026-08-11"
reasoning: ["high", "none"]
api: ["/api/v1/chat/completions", "/api/v1/completions", "/api/v1/messages", "/api/v1/responses"]
params: ["include_reasoning", "reasoning", "reasoning_effort", "structured_outputs", "tool_choice", "tools", "web_search_options"]
endpoints: 1
gateways: "openrouter (1)"
no_training: 0
trains: 1
retains_prompts: 1
---
# Sakana: 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,...