AI Models · Paid vs Paid

SAFugu Ultra v2 Paid vs FIEmber-1 Paid

Fugu Ultra v2 vs Ember-1 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Fugu Ultra v2 — full profile ›  ·  Ember-1 — full profile ›

Prices & specs refreshed from live data · olud.ai

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

SAFugu Ultra v2PaidSakana AI
$5 /M input
$30 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
FIEmber-1PaidFireworks
$3 /M input
$15 /M outputManaged API (no infra to run)
TypeProprietary
Context window1M tokens
MultimodalYes
Self-hostNo
Choose Ember-1 for the lower output price ($15/M vs $30/M). It also gives you the larger 1M context window.

Fugu Ultra v2 vs Ember-1 specs

SpecFugu Ultra v2Ember-1Winner
MakerSakana AIFireworks–
TypeProprietaryProprietary–
Context window1M tokens1M tokensFIEmber-1
Input price$5/M$3/MFIEmber-1
Output price$30/M$15/MFIEmber-1
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)–
LicenseProprietaryProprietary–

Price gap & when to choose each

2.0×cheaper per output token

Ember-1 is ~2.0× cheaper than Fugu Ultra v2 on output tokens ($15 vs $30 per M tokens).

SAChoose Fugu Ultra v2 if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
FIChoose Ember-1 if…
  • You want frontier performance through a managed API
  • You need the longer 1M context window
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityFugu Ultra v2Ember-1
Open weights (downloadable)✗✗
Self-hostable✗✗
Runs fully offline✗✗
Vision / multimodal✓✓
Tool / function calling✓✓
1M+ context window✓✓

How Fugu Ultra v2 and Ember-1 score

🤝 Neck and neck on these criteria (3.1 vs 3.1 / 5).
CriterionFugu Ultra v2Ember-1
Cost-efficiency3.03.0
Context window5.05.0
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 v2 Paid

Sakana AI · Proprietary

Fugu Ultra v2 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...

Ember-1 Paid

Fireworks · Proprietary

Ember-1 is a specialized reasoning model from Fireworks Research, built on [Kimi K3](https://openrouter.ai/moonshotai/kimi-k3). It is designed to make every token go further: it produces shorter reasoning traces, using roughly 40%...

Frequently asked questions

Fugu Ultra v2 vs Ember-1 — which is cheaper?

Ember-1 is cheaper on output ($15/M vs $30/M).

Which has the larger context window?

Ember-1 offers the larger context window (1M tokens).

Fugu Ultra v2 vs Ember-1 — which should I pick in 2026?

Choose Ember-1 for the lower output price ($15/M vs $30/M). It also gives you the larger 1M context window.

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