AI Models · Paid vs Paid

SAFugu Ultra Paid vs AIAion-3.0 Paid

Fugu Ultra vs Aion-3.0 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Fugu Ultra — full profile ›  ·  Aion-3.0 — 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
AIAion-3.0PaidAionLabs
$3 /M input
$6 /M outputManaged API (no infra to run)
TypeProprietary
Context window131K tokens
MultimodalNo
Self-hostNo
Choose Aion-3.0 for the lower output price ($6/M vs $30/M). Choose Fugu Ultra if you need the larger 1M context window.

Fugu Ultra vs Aion-3.0 specs

SpecFugu UltraAion-3.0Winner
MakerSakana AIAionLabs–
TypeProprietaryProprietary–
Context window1M tokens131K tokensSAFugu Ultra
Input price$5/M$3/MAIAion-3.0
Output price$30/M$6/MAIAion-3.0
Vision / multimodalYesNoSAFugu Ultra
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)–
LicenseProprietaryProprietary–

Price gap & when to choose each

5.0×cheaper per output token

Aion-3.0 is ~5.0× cheaper than Fugu Ultra on output tokens ($6 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
AIChoose Aion-3.0 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 UltraAion-3.0
Open weights (downloadable)✗✗
Self-hostable✗✗
Runs fully offline✗✗
Vision / multimodal✓✗
Tool / function calling✓✓
1M+ context window✓✗

How Fugu Ultra and Aion-3.0 score

🏆 Best value & openness: Fugu Ultra (3.1 vs 2.7 / 5)
CriterionFugu UltraAion-3.0
Cost-efficiency3.04.0
Context window5.03.5
Openness1.51.5
Self-hosting1.01.0
Multimodality5.03.5

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...

Aion-3.0 Paid

AionLabs · Proprietary

Aion-3.0 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each contribute...

Frequently asked questions

Fugu Ultra vs Aion-3.0 — which is cheaper?

Aion-3.0 is cheaper on output ($6/M vs $30/M).

Which has the larger context window?

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

Fugu Ultra vs Aion-3.0 — which should I pick in 2026?

Choose Aion-3.0 for the lower output price ($6/M vs $30/M). Choose Fugu Ultra if you need the larger 1M context window.

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