GPT Audio vs Sakana Namazu compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
GPT Audio — 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.
| Spec | GPT Audio | Sakana Namazu | Winner |
|---|---|---|---|
| Maker | OpenAI | Sakana AI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 128K tokens | 262K tokens | SASakana Namazu |
| Input price | $2.5/M | $0.95/M | SASakana Namazu |
| Output price | $10/M | $4/M | SASakana Namazu |
| Vision / multimodal | No | Yes | SASakana Namazu |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Sakana Namazu is ~2.5× cheaper than GPT Audio on output tokens ($4 vs $10 per M tokens).
| Capability | GPT Audio | Sakana Namazu |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✗ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✗ |
| Criterion | GPT Audio | Sakana Namazu |
|---|---|---|
| Cost-efficiency | 3.5 | 4.0 |
| Context window | 3.5 | 4.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 3.5 | 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.
The gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Audio is priced...
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,...
Sakana Namazu is cheaper on output ($4/M vs $10/M).
Sakana Namazu offers the larger context window (262K tokens).
Choose Sakana Namazu for the lower output price ($4/M vs $10/M). It also gives you the larger 262K context window.
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