Japanese-specialized reasoning model based on Kimi K2.6 and tuned for Japanese language, culture, and business workflows
Sakana Namazu is offered by 6 providers on this page. Its official list price is $0.95 per 1M input tokens and $4.00 per 1M output tokens.
The context window is 262,144 tokens at the reference host, but hosts report different limits, from 256,000 to 262,144, so the usable window depends on the provider you pick. It supports reasoning, tool use, and structured output. Accepted input modalities are Text, Image, and PDF.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT | Gateway | $0.95 | $4.00 | $0.15 | — | 262,144 | 65,536 | |
| Kilo Gateway | Gateway | $0.95 | $4.00 | $0.15 | — | 262,144 | 65,536 | |
| OpenRouter | Gateway | $0.95 | $4.00 | $0.15 | — | 262,144 | 65,536 | |
| Vercel AI Gateway sakana/namazu | Cloud | $0.95 | $4.00 | $0.15 | — | 256,000 ⚠ | 256,000 | |
| Sakana AIOfficial | First-party | $0.95 | $4.00 | $0.15 | — | 262,144 | 65,536 | |
| Merge Gateway | Gateway | $0.95 | $4.00 | $0.15 | — | 262,144 | 65,536 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
1 / 6 providers expose no reasoning control (reasoning_options: []).
| Name | Conditions | Score | Metric | Source |
|---|---|---|---|---|
| AIME26 | — | 96.67 | — | Source ↗ |
| MMLU-Pro | — | 90.33 | — | Source ↗ |
| LiveCodeBench v6 | — | 90.33 | — | Source ↗ |
| JFBench | — | 37.4 | — | Source ↗ |
| Translation | — | 52.2 | — | Source ↗ |
| FairPoliticsQA | — | 56.3 | — | Source ↗ |
The same benchmark scores very differently across harness / dataset, so the qualifying conditions must be shown together.