AI Models · Paid vs Paid

SAFugu Ultra Paid vs SASakana Namazu Paid

Fugu Ultra vs Sakana Namazu compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Fugu Ultra — full profile ›  ·  Sakana Namazu — full profile ›

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

SAFugu UltraPaidSakana AI
$5 /M input
$30 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
SASakana NamazuPaidSakana AI
$0.95 /M input
$4 /M outputManaged API (no infra to run)
TypeProprietary
Context window262K tokens
MultimodalYes
Self-hostNo
Choose Sakana Namazu for the lower output price ($4/M vs $30/M). Choose Fugu Ultra if you need the larger 1M context window.

Fugu Ultra vs Sakana Namazu specs

SpecFugu UltraSakana NamazuWinner
MakerSakana AISakana AI–
TypeProprietaryProprietary–
Context window1M tokens262K tokensSAFugu Ultra
Input price$5/M$0.95/MSASakana Namazu
Output price$30/M$4/MSASakana Namazu
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)–
LicenseProprietaryProprietary–

Price gap & when to choose each

7.5×cheaper per output token

Sakana Namazu is ~7.5× cheaper than Fugu Ultra on output tokens ($4 vs $30 per M tokens).

SAChoose Fugu Ultra if…
  • You want frontier performance through a managed API
  • You need the longer 1M context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
SAChoose Sakana Namazu if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityFugu UltraSakana Namazu
Open weights (downloadable)✗✗
Self-hostable✗✗
Runs fully offline✗✗
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✓✗

How Fugu Ultra and Sakana Namazu score

🤝 Neck and neck on these criteria (3.1 vs 3.1 / 5).
CriterionFugu UltraSakana Namazu
Cost-efficiency3.04.0
Context window5.04.0
Openness1.51.5
Self-hosting1.01.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

Fugu Ultra Paid

Sakana AI · Proprietary

Fugu Ultra is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language model trained to route...

Sakana Namazu Paid

Sakana AI · Proprietary

Sakana Namazu is a Japanese-specialized reasoning model from Sakana AI, based on Kimi K2.6 with additional training for Japanese language and business contexts. It is suited for Japanese instruction following,...

Frequently asked questions

Fugu Ultra vs Sakana Namazu — which is cheaper?

Sakana Namazu is cheaper on output ($4/M vs $30/M).

Which has the larger context window?

Fugu Ultra offers the larger context window (1M tokens).

Fugu Ultra vs Sakana Namazu — which should I pick in 2026?

Choose Sakana Namazu for the lower output price ($4/M vs $30/M). Choose Fugu Ultra if you need the larger 1M context window.

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