AI Models · Paid vs Paid

GPT-4 Turbo Paid vs SASakana Namazu Paid

GPT-4 Turbo 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.

GPT-4 TurboPaidOpenAI
$10 /M input
$30 /M outputManaged API (no infra to run)
TypeProprietary
Context window128K 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 $30/M). It also gives you the larger 262K context window.

GPT-4 Turbo vs Sakana Namazu specs

SpecGPT-4 TurboSakana NamazuWinner
MakerOpenAISakana AI
TypeProprietaryProprietary
Context window128K tokens262K tokensSASakana Namazu
Input price$10/M$0.95/MSASakana Namazu
Output price$30/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

7.5×cheaper per output token

Sakana Namazu is ~7.5× cheaper than GPT-4 Turbo on output tokens ($4 vs $30 per M tokens).

Choose GPT-4 Turbo 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

CapabilityGPT-4 TurboSakana Namazu
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-4 Turbo vs Sakana Namazu

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

GPT-4 Turbo
Sakana Namazu
Intelligence index
7
Coding index
21.5
MMLU-Pro
69.4%
Humanity's Last Exam
3.1%
LiveCodeBench
29.1%
MATH-500
73.7%
AIME
15%
Speed
0 tok/s
Latency
0s
Intelligence per $
0.5

Benchmark data by Artificial Analysis.

How GPT-4 Turbo and Sakana Namazu score

🏆 Best value & openness: Sakana Namazu (3.1 vs 2.8 / 5)
CriterionGPT-4 TurboSakana Namazu
Cost-efficiency3.04.0
Context window3.54.0
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

GPT-4 Turbo Paid

OpenAI · Proprietary

The latest GPT-4 Turbo model with vision capabilities. Vision requests can now use JSON mode and function calling. Training data: up to December 2023.

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

GPT-4 Turbo vs Sakana Namazu — which is cheaper?

Sakana Namazu is cheaper on output ($4/M vs $30/M).

Which has the larger context window?

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

GPT-4 Turbo vs Sakana Namazu — which should I pick in 2026?

Choose Sakana Namazu for the lower output price ($4/M vs $30/M). It also gives you the larger 262K context window.

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