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Sakana: Sakana Namazu

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

Source-linked sakana-namazu Closed weights Released 2026-08-03
API record Report
InputT
OutputT
Input price$0.95/M
Output price$4/M
Context262.144K
Max output65.536K
Providers6
Inference availability

Providers

Provider-specific identifiers, limits, and listed prices per million tokens. Every row links back to the provider's own documentation.

Report a price
Providers offering Sakana Namazu
ProviderProvider model IDContextMax outputInputOutputCache readCapabilitiesDocs
OpenRouter sakana/sakana-namazu 262.144K 65.536K $0.95 $4 $0.15 ReasoningToolsJSON Docs ↗
Merge Gateway sakana/sakana-namazu 262.144K 65.536K $0.95 $4 $0.15 ReasoningToolsJSON Docs ↗
Sakana AI sakana-namazu 262.144K 65.536K $0.95 $4 $0.15 ReasoningToolsJSON Docs ↗
Kilo Gateway sakana/sakana-namazu 262.144K 65.536K $0.95 $4 $0.15 ReasoningToolsJSON Docs ↗
NanoGPT sakana/sakana-namazu 262.144K 65.536K $0.95 $4 $0.15 ReasoningToolsJSON Docs ↗
Vercel AI Gateway sakana/namazu 256K 256K $0.95 $4 $0.15 ReasoningToolsJSON Docs ↗

Capability badges appear only where the provider catalog explicitly lists support. A blank cell means the source is silent, not that the feature is absent.

Listed rates

Price across providers

Input price per million tokens as published by each provider. Bars are drawn from listed rates only — no traffic weighting, since the catalog observes no requests.

Lowest input $0.95/M

Across 6 priced providers

Median input $0.95/M

Midpoint of listed rates

Highest input $0.95/M

Same as the lowest listed rate

Output range $4 – $4

Per million output tokens

OpenRouter $0.95/M
Merge Gateway $0.95/M
Sakana AI $0.95/M
Kilo Gateway $0.95/M
NanoGPT $0.95/M
Vercel AI Gateway $0.95/M
Cost calculator

Estimate a workload

$0.00
Excludes taxes, non-token charges, and tiered discounts.

6 providers list the identical $0.95 input rate, so price alone will not separate them — compare context limits, max output, and capabilities above.

Context limits also differ by provider, from 256K to 262.144K tokens. Compare the provider table above before choosing on price alone.

Specification

Capabilities

Recorded from the source catalog and provider listings.

✓ Reasoning Yes
✓ Tool calling Yes
✓ Structured output Yes
✓ Attachments Yes
✓ Vision input Yes
× Open weights No
Creator
Sakana
Model family
sakana-namazu
Knowledge cutoff
Not documented
License
Not documented
Release date
2026-08-03
Model ID
sakana/sakana-namazu
Published evaluations

Benchmarks

Every result stays attached to its source, version, metric and harness. Scores from different versions are never merged, and the profile below plots each benchmark against its own population rather than on a shared scale.

Benchmark registry
AIME26 score Source ↗
96.67 1 model scored — too few for a distribution
FairPoliticsQA score Source ↗
56.3 1 model scored — too few for a distribution
JFBench score Source ↗
37.4 1 model scored — too few for a distribution
LiveCodeBench v6 score Source ↗
90.33 1 model scored — too few for a distribution
MMLU-Pro score Source ↗
90.33 1 model scored — too few for a distribution
Translation score Source ↗
52.2 1 model scored — too few for a distribution

Each strip shows every published score for that benchmark, with this model marked. The lighter shape behind the ticks is the density of results, and the dashed line is the median.

Catalog activity

Change log

Field-level changes detected between successful source imports.

Full change log
No changes recorded

This record has not changed within the retained import history.

Provenance

Sources & verification

Every figure on this page traces back to one of these records.

Methodology
Public API

Use this record

Fetch the complete source-linked model record. No key, no account, no rate-limited tier.

API documentation
Endpoint
GET https://modelbench.lol/api/v1/models/sakana/sakana-namazu
curl
curl "https://modelbench.lol/api/v1/models/sakana/sakana-namazu"
Common questions

Frequently asked questions

Answered directly from the stored record — nothing here is generated beyond the catalog's own fields.

What is Sakana Namazu?

Japanese-specialized reasoning model based on Kimi K2.6 and tuned for Japanese language, culture, and business workflows. It is published by Sakana and catalogued here from Models.dev.

How much does Sakana Namazu cost?

Listed input pricing starts at $0.95 per million tokens from OpenRouter.

What is the context length of Sakana Namazu?

Sakana Namazu accepts up to 262.144K tokens of context and returns up to 65.536K output tokens.

Does Sakana Namazu support tool calling and structured output?

Provider catalogs list support for tool calling, structured output, reasoning, and image input.

Which providers serve Sakana Namazu?

6 providers list this model: OpenRouter, Merge Gateway, Sakana AI, Kilo Gateway, NanoGPT, Vercel AI Gateway.

Are the weights for Sakana Namazu open?

No. This model is served through hosted APIs only.

When was Sakana Namazu released?

The catalog records a release date of 2026-08-03, last verified Oct 24, 2026.

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