AI Models · Paid vs Paid

o1 Paid vs SASakana Namazu Paid

o1 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.

o1PaidOpenAI
$15 /M input
$60 /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 $60/M). It also gives you the larger 262K context window.

o1 vs Sakana Namazu specs

Speco1Sakana NamazuWinner
MakerOpenAISakana AI
TypeProprietaryProprietary
Context window200K tokens262K tokensSASakana Namazu
Input price$15/M$0.95/MSASakana Namazu
Output price$60/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

15×cheaper per output token

Sakana Namazu is ~15× cheaper than o1 on output tokens ($4 vs $60 per M tokens).

Choose o1 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

Capabilityo1Sakana Namazu
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: o1 vs Sakana Namazu

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

o1
Sakana Namazu
Intelligence index
15.2
Coding index
39.7
GPQA
74.7%
MMLU-Pro
84.1%
Humanity's Last Exam
7%
Long Context Reasoning
65%
LiveCodeBench
67.9%
MATH-500
97%
AIME
72.3%
IFBench
70.3%
τ²-Bench
62.6%
Terminal-Bench Hard
12.9%
Speed
0 tok/s
Latency
0s
Intelligence per $
0.6

Benchmark data by Artificial Analysis.

How o1 and Sakana Namazu score

🏆 Best value & openness: Sakana Namazu (3.1 vs 2.7 / 5)
Criteriono1Sakana Namazu
Cost-efficiency2.04.0
Context window4.04.0
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

o1 Paid

OpenAI · Proprietary

The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason...

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 vs Sakana Namazu — which is cheaper?

Sakana Namazu is cheaper on output ($4/M vs $60/M).

Which has the larger context window?

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

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

Choose Sakana Namazu for the lower output price ($4/M vs $60/M). It also gives you the larger 262K context window.

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