Sakana
Sakana
ReasoningProprietary Commercial API Verified Architecture & SpecsEnterprise Tier

Sakana Namazu

Japanese-specialized reasoning model based on Kimi K2.6 and tuned for Japanese language, culture, and business workflows

Technical Architecture & Execution Specifications
Architecture Overview

Sakana Namazu

Japanese-specialized reasoning model based on Kimi K2.6 and tuned for Japanese language, culture, and business workflows

Supported Modalities
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Hardware & Execution ParametersReasoning

Total Parameter CountProprietary
Active Parameters (MoE)Dense Architecture
Context Window Capacity262,144 tokens
Model Weights FootprintCloud Hosted API
Distribution LicenseProprietary Commercial API
Standard API Pricing (1M Tokens)Free / Self-Hosted
Model Heritage & Evolutionary Lineage

Genealogical Graph & Evolutionary Provenance

Tracing foundational base architecture ancestry, architectural successors, scale siblings, and reasoning distillation derivatives.

Independent Foundation Checkpoint

Sakana Namazu operates as an autonomous foundation model architecture without direct precursor derivatives in this catalog.

Root Architecture Node
AI Model Architecture & Intelligence

Architecture Engineering & Capability Deep-Dive

An objective architectural evaluation of Sakana Namazu by Sakana, analyzing underlying compute dynamics, memory constraints, and deployment economics.

Topology & Attention Mechanics

A robust autoregressive transformer utilizing standard attention patterns for predictable and coherent token generation.

Architecture Type:Advanced Transformer

Evaluation Profile & Reasoning

Exhibits frontier-tier behavior in reasoning and coding.

Domain Specialty:Reasoning

LLM Hardware Sizing & Serving

Served via scalable API endpoints guaranteeing high tokens-per-second concurrency and enterprise SLAs.

KV Cache Mgmt: PagedAttention / FlashAttention-3
Hosting Type:Proprietary Commercial API

Inference Economics & Workflows

Well-suited for enterprise pipelines where capability is balanced against per-million token costs.

Enterprise Fit:Production Ready
Production Trade-Offs & Capability Balance

Architectural Strengths vs. Considerations

An objective balance sheet analyzing the operational advantages and production constraints of deploying Sakana Namazu.

Key Architectural Strengths

  • Massive 262,144-token context allows full-repository and book-length ingestion.
  • Demonstrated AIME26 evaluation score of 96.67% in verified benchmarks.

Operational Considerations

  • 128k+ token prefill stages become heavily compute-bound and balloon KV cache without PagedAttention chunking.
LLM Hardware Sizing & Runtime Compatibility

Inference Runtimes & Hardware Sizing

Deployment targets, inference engines, and memory requirements for Sakana Namazu.

Recommended Hardware Profile:
Cloud Hosted API (Zero Local VRAM)
Supported Inference Engines
Vendor REST API

Primary managed cloud endpoint

Official
OpenRouter

Unified multi-provider gateway

Supported
Amazon Bedrock / GCP

Private cloud enterprise integration

Enterprise
OpenAI SDK

Standard chat completions client

Compatible
Precision & Quantization Formats
Cloud PrecisionManaged Serving

Vendor-optimized floating point precision (FP8/BF16)

Prompt CachingPrefix Cache

Up to 50–90% cost reduction on repeated system prompts

LLM Benchmark Database & Performance Metrics

6 Tested

Standardized evaluation results across reasoning, agentic coding, computer use, and alignment.

Flagship Headline MetricsIndustry SOTA Standard
Reasoning & Science

AIME26

96.67%
0%100%
Reasoning & Science

MMLU-Pro

90.33%
0%100%
Coding & Software

LiveCodeBench v6

90.33%
0%100%
General / Other

FairPoliticsQA

56.3%
0%100%
AIME26
96.67%
MMLU-Pro
90.33%
LiveCodeBench v6
90.33%
JFBench
37.4%
Translation
52.2%
FairPoliticsQA
56.3%
Commercial Rates & Inference Costs

API & Deployment Pricing

Standard API consumption rates per million tokens as indexed from official laboratory pricing documentation.

Deployment TierPricing Structure
Managed Vendor APIEnterprise Quota
Inference Token ConsumptionVolume-Based SLA
Inference Cost & ROI Engine
Market Cloud Rate
Prompt / Input Volume:50M Tokens / mo
1M500M1,000M
Generated / Output Volume:10M Tokens / mo
1M250M500M
Estimated Monthly Spend
$125.00/ mo
Input (50M @ $1.50/1M):$75.00
Output (10M @ $5.00/1M):$50.00
Cloud GPU Breakeven Ratio
RunPod RTX 4090 ($316/mo)0.40x spend
Lambda 1x H100 ($1,800/mo)0.07x spend
Similar Frontier Models & Alternatives
Explore All Comparisons

Comparable Foundation Architectures

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TencentReasoning

Hy4 preview

Context:1024k ctx
Parameters:Open Weights
Input Rate:Free / Self-Host
InclusionaiReasoning

Ling 3.0 Flash Fin

Context:262k ctx
Parameters:Proprietary
Input Rate:Free / Self-Host
Alibaba CloudReasoning

Qwen3.8-Flash-Next

Context:262k ctx
Parameters:176B
Input Rate:$0.15/1M
Integration & Deployment
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ.get("SAKANA_KEY", "EMPTY"),
    base_url="https://api.openai.com/v1"
)

response = client.chat.completions.create(
    model="sakana-sakana-namazu",
    messages=[{"role": "user", "content": "Explain quantum superposition in 2 sentences."}]
)
print(response.choices[0].message.content)
Frequently Asked Questions

Frequently Asked Questions about Sakana Namazu

Essential facts, architectural specs, hardware constraints, and pricing answers for Sakana Namazu.

Sakana Namazu is a proprietary API model and cannot be run locally. It requires no local VRAM.

Primary Sources & Access Repositories

All technical specifications, parameter distributions, context architectures, and benchmark evaluations for Sakana Namazu are audited against primary source release documentation, research whitepapers, and verified vendor API endpoints.

api id:sakana/sakana-namazu