A Japanese-specialized reasoning model from Sakana AI, built on Kimi K2.6 with additional training for Japanese language and business contexts.
- Strengths
- Handles extended reasoning tasks and instruction following in Japanese with a 262k token context window.
- Best for
- Japanese-language reasoning workloads, instruction following, and business applications requiring deep context understanding.
- Limitations
- Predates Fugu Ultra, which provides multi-agent orchestration across specialized models for more complex request routing.
Input / 1M
$0.95
Output / 1M
$4.00
Cached input / 1M
$0.15
Context window
262K
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Aug 2026 | $0.95 | $4.00 | $0.15 | Imported from OpenRouter | openrouter.ai |