SAFugu Ultra v2 Paid vs 
GPT Audio Paid
Fugu Ultra v2 vs GPT Audio compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Fugu Ultra v2 — full profile › · GPT Audio — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$30 /M outputManaged API (no infra to run)
$10 /M outputManaged API (no infra to run)
Fugu Ultra v2 vs GPT Audio specs
| Spec | Fugu Ultra v2 | GPT Audio | Winner |
|---|---|---|---|
| Maker | Sakana AI | OpenAI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1M tokens | 128K tokens | SAFugu Ultra v2 |
| Input price | $5/M | $2.5/M | |
| Output price | $30/M | $10/M | |
| Vision / multimodal | Yes | No | SAFugu Ultra v2 |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
GPT Audio is ~3.0× cheaper than Fugu Ultra v2 on output tokens ($10 vs $30 per M tokens).
- You want frontier performance through a managed API
- You need the longer 1M context window
- You value reliability & ecosystem
- You don't want to manage infrastructure
- You want frontier performance through a managed API
- You want the lower output price
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | Fugu Ultra v2 | GPT Audio |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✗ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✓ | ✗ |
How Fugu Ultra v2 and GPT Audio score
| Criterion | Fugu Ultra v2 | GPT Audio |
|---|---|---|
| Cost-efficiency | 3.0 | 3.5 |
| Context window | 5.0 | 3.5 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 3.5 |
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
Fugu Ultra v2 Paid
Fugu Ultra v2 is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language model trained to...
GPT Audio Paid
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...
Frequently asked questions
Fugu Ultra v2 vs GPT Audio — which is cheaper?
GPT Audio is cheaper on output ($10/M vs $30/M).
Which has the larger context window?
Fugu Ultra v2 offers the larger context window (1M tokens).
Fugu Ultra v2 vs GPT Audio — which should I pick in 2026?
Choose GPT Audio for the lower output price ($10/M vs $30/M). Choose Fugu Ultra v2 if you need the larger 1M context window.
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