AI Models · Paid vs Paid

FIEmber-1 Paid vs SASakana Namazu Paid

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

Ember-1 — 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.

FIEmber-1PaidFireworks
$3 /M input
$15 /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 $15/M). Choose Ember-1 if you need the larger 1M context window.

Ember-1 vs Sakana Namazu specs

SpecEmber-1Sakana NamazuWinner
MakerFireworksSakana AI–
TypeProprietaryProprietary–
Context window1M tokens262K tokensFIEmber-1
Input price$3/M$0.95/MSASakana Namazu
Output price$15/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

3.8×cheaper per output token

Sakana Namazu is ~3.8× cheaper than Ember-1 on output tokens ($4 vs $15 per M tokens).

FIChoose Ember-1 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

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

How Ember-1 and Sakana Namazu score

🤝 Neck and neck on these criteria (3.1 vs 3.1 / 5).
CriterionEmber-1Sakana 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

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%...

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

Ember-1 vs Sakana Namazu — which is cheaper?

Sakana Namazu is cheaper on output ($4/M vs $15/M).

Which has the larger context window?

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

Ember-1 vs Sakana Namazu — which should I pick in 2026?

Choose Sakana Namazu for the lower output price ($4/M vs $15/M). Choose Ember-1 if you need the larger 1M context window.

People also compare

DeepSeek V4.1 Flash 1017 vs Ember-1DeepSeek V4.1 Flash 1017 vs Sakana NamazuGLM 5.3 (batch) vs Ember-1GLM 5.3 (batch) vs Sakana NamazuHy3 vs Ember-1Hy3 vs Sakana Namazu

Explore more open-source AI

Browse the full open-source model leaderboard, thousands of tools and live benchmarks — all in one place.

Open the leaderboard →