AI Models · Paid vs Paid

o1-pro Paid vs SASakana Namazu Paid

o1-pro vs Sakana Namazu compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

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

o1-proPaidOpenAI
$150 /M input
$600 /M outputManaged API (no infra to run)
TypeProprietary
Context window200K 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 $600/M). It also gives you the larger 262K context window.

o1-pro vs Sakana Namazu specs

Speco1-proSakana NamazuWinner
MakerOpenAISakana AI
TypeProprietaryProprietary
Context window200K tokens262K tokensSASakana Namazu
Input price$150/M$0.95/MSASakana Namazu
Output price$600/M$4/MSASakana Namazu
Vision / multimodalYesYes= Tie
Tool / function callingNoYesSASakana Namazu
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

150×cheaper per output token

Sakana Namazu is ~150× cheaper than o1-pro on output tokens ($4 vs $600 per M tokens).

Choose o1-pro if…
  • You want frontier performance through a managed API
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
SAChoose Sakana Namazu if…
  • You want frontier performance through a managed API
  • You need the longer 262K context window
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

Capabilityo1-proSakana Namazu
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: o1-pro vs Sakana Namazu

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

o1-pro
Sakana Namazu
Intelligence index
12.4
Speed
0 tok/s
Latency
0s
Intelligence per $
0

Benchmark data by Artificial Analysis.

How o1-pro and Sakana Namazu score

🏆 Best value & openness: Sakana Namazu (3.1 vs 2.4 / 5)
Criteriono1-proSakana Namazu
Cost-efficiency2.04.0
Context window4.04.0
Openness1.51.5
Self-hosting1.01.0
Multimodality3.55.0

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

o1-pro Paid

OpenAI · Proprietary

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide...

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

o1-pro vs Sakana Namazu — which is cheaper?

Sakana Namazu is cheaper on output ($4/M vs $600/M).

Which has the larger context window?

Sakana Namazu offers the larger context window (262K tokens).

o1-pro vs Sakana Namazu — which should I pick in 2026?

Choose Sakana Namazu for the lower output price ($4/M vs $600/M). It also gives you the larger 262K context window.

People also compare

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 →