# Sakana AI Model Usage & Rankings | OpenCode Data

- Page: https://opencode.ai/data/sakana
- JSON: https://opencode.ai/data/sakana.json

## Sakana models

| Model | Tokens: past 2 months | Share of lab usage | Context window | Max output | Release date |
| --- | --- | --- | --- | --- | --- |
| [Fugu Max](https://opencode.ai/data/sakana/fugu-max.md) | - | - | 1M | 128K | 2026-09-11 |
| [Fugu Ultra v2](https://opencode.ai/data/sakana/fugu-ultra-v2.md) | - | - | 1M | 128K | 2026-09-11 |
| [Sakana Namazu](https://opencode.ai/data/sakana/sakana-namazu.md) | - | - | 262K | 66K | 2026-08-03 |
| [Fugu Ultra](https://opencode.ai/data/sakana/fugu-ultra.md) | - | - | 1M | - | 2026-06-15 |
| [Fugu](https://opencode.ai/data/sakana/fugu.md) | - | - | 1M | - | 2026-06-15 |

## Methodology

- Updates: Aggregated every hour. Days and weeks use UTC.
- Tokens: Input, output, reasoning, and cached tokens for each request.
- Users and sessions: Approximate counts of distinct users and OpenCode sessions.
- Cost: Session cost is the average cost per OpenCode session. Token prices are list prices from the OpenCode model catalog.
- Retention: The share of a model's users in one week who use it again the next week.
- Citation: Cite OpenCode Data (opencode.ai/data) with the update time shown at the top of the page.