sakana/fugu-ultra-v2 vs sakana/sakana-namazu
For 100,000 calls of 2,000 in and 500 out, sakana/sakana-namazu is cheaper: $390.00 a month at OpenRouter, against $2,500.00 for sakana/fugu-ultra-v2 at OpenRouter — 6.4× the cost.
Cheapest on each
sakana/fugu-ultra-v2
$2,500.00/mo
cheapest, at OpenRouter — $5 in, $30 out per million
sakana/sakana-namazu
$390.00/mo
cheapest, at OpenRouter — $0.95 in, $4 out per million
Aligned facts
Same rows on both sides, including the ones we cannot fill.
| Attribute | sakana/fugu-ultra-v2 | sakana/sakana-namazu |
|---|---|---|
| Context window | 1M | 262K |
| Accepts | Aa · IMG · FILE | Aa · IMG · FILE |
| Sellers | 1 | 1 |
| Cheapest input rate | $5 / M | $0.95 / M |
| Cached input rate | $0.5 / M | $0.15 / M |
No quality or benchmark row appears here. We hold no throughput or accuracy measurement for either model, and a cost-per-quality figure built from a lab’s own claim would look authoritative and mean nothing.
Cost for this workload — both models, every seller
100,000 calls a month · 2,000 input and 500 output tokens each. Sellers of both models lead, cheapest combined cost first.
| Seller | sakana/fugu-ultra-v2 /mo | sakana/sakana-namazu /mo |
|---|---|---|
| OpenRouter | $2,500.002026-10-27 | $390.002026-10-27 |
Cheapest tier per seller, this workload only. In and output rates, and a cached prefix, are broken out in the cost calculator.