AionLabs Aion 3.5 vs Sakana Fugu Max
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Fugu Max is 1.3× cheaper at a typical mix of 3 input tokens per output token.
- Fugu Max accepts longer prompts: 1M vs 262K tokens.
| Aion 3.5 | Fugu Max | |
|---|---|---|
| Vendor | AionLabs | Sakana |
| Released | 2026-09-23 | 2026-09-11 |
| Input / 1M | $3.00 | $2.00 |
| Output / 1M | $6.00 | $6.00 |
| Cached input / 1M | $0.75 | $0.25 |
| Blended / 1M (3:1) | $3.75 | $3.00 |
| Context | 262K | 1M |
| Max output | 33K | 128K |
| Accepts | text | text, image, file |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $6.00 | $6.00 |
| Best provider uptime, 24 h | 99.92% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | — |
Cost calculator
Aion 3.5
$270 per month$9.00 per day
Fugu Max
$210 per month$7.00 per day
Fugu Max saves $60.00 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Aion 3.5 with