$ diff fugu-max k2-horizon
Fugu Max vs K2 Horizon
Values come from Fugu Max and K2 Horizon, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
Sakana AIFugu Max
- context
- 1M
- weights
- —
- $/M in
- $2
- $/M out
- $6
- context
- 524K
- weights
- open
- $/M in
- —
- $/M out
- —
What actually differs
- Context window
- Fugu Max takes 1M against 524K — modestly more room in a single request.
- Recency
- Fugu Max shipped 8 days after K2 Horizon (2026-09-11 vs 2026-09-03).
Full spec
| Attribute | Fugu Max | K2 Horizon |
|---|---|---|
| Developer | Sakana AI | Ifm |
| Released | 2026-09-11 | 2026-09-03 |
| Context window | 1,000,000 | 524,288 (flagship 375B-A23B, native from midtraining onward) |
| Pricing | $2/M input · $6/M output | not recorded |
| License | not recorded | Apache 2.0 (weights and code) |
| Availability | Sakana API (OpenAI-compatible), OpenRouter, NanoGPT, Kilo Gateway, LLM Gateway | Hugging Face (weights, code, checkpoints, training data where redistributable) |