o3 Paid vs SASakana Namazu Paid
o3 vs Sakana Namazu compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
o3 — 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.
$8 /M outputManaged API (no infra to run)
$4 /M outputManaged API (no infra to run)
o3 vs Sakana Namazu specs
| Spec | o3 | Sakana Namazu | Winner |
|---|---|---|---|
| Maker | OpenAI | Sakana AI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 200K tokens | 262K tokens | SASakana Namazu |
| Input price | $2/M | $0.95/M | SASakana Namazu |
| Output price | $8/M | $4/M | SASakana Namazu |
| Vision / multimodal | Yes | Yes | = Tie |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
Sakana Namazu is ~2.0× cheaper than o3 on output tokens ($4 vs $8 per M tokens).
- You want frontier performance through a managed API
- You value reliability & ecosystem
- You don't want to manage infrastructure
- 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
| Capability | o3 | Sakana Namazu |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✗ |
Benchmarks: o3 vs Sakana Namazu
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How o3 and Sakana Namazu score
| Criterion | o3 | Sakana Namazu |
|---|---|---|
| Cost-efficiency | 3.5 | 4.0 |
| Context window | 4.0 | 4.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 5.0 |
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
o3 Paid
o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....
Sakana Namazu Paid
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,...
Other models in these families
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Frequently asked questions
o3 vs Sakana Namazu — which is cheaper?
Sakana Namazu is cheaper on output ($4/M vs $8/M).
Which has the larger context window?
Sakana Namazu offers the larger context window (262K tokens).
o3 vs Sakana Namazu — which should I pick in 2026?
Choose Sakana Namazu for the lower output price ($4/M vs $8/M). It also gives you the larger 262K context window.
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