SAFugu Ultra Paid vs 
GPT-3.5 Turbo (older v0613) Paid
Fugu Ultra vs GPT-3.5 Turbo (older v0613) compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Fugu Ultra — full profile › · GPT-3.5 Turbo (older v0613) — 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)
$2 /M outputManaged API (no infra to run)
Fugu Ultra vs GPT-3.5 Turbo (older v0613) specs
| Spec | Fugu Ultra | GPT-3.5 Turbo (older v0613) | Winner |
|---|---|---|---|
| Maker | Sakana AI | OpenAI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1M tokens | 4K tokens | SAFugu Ultra |
| Input price | $5/M | $1/M | |
| Output price | $30/M | $2/M | |
| Vision / multimodal | Yes | No | SAFugu Ultra |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
GPT-3.5 Turbo (older v0613) is ~15× cheaper than Fugu Ultra on output tokens ($2 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 | GPT-3.5 Turbo (older v0613) |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✗ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✓ | ✗ |
Benchmarks: Fugu Ultra vs GPT-3.5 Turbo (older v0613)
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How Fugu Ultra and GPT-3.5 Turbo (older v0613) score
| Criterion | Fugu Ultra | GPT-3.5 Turbo (older v0613) |
|---|---|---|
| Cost-efficiency | 3.0 | 4.5 |
| Context window | 5.0 | 2.0 |
| 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 Paid
Fugu Ultra 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 route...
GPT-3.5 Turbo (older v0613) Paid
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
Frequently asked questions
Fugu Ultra vs GPT-3.5 Turbo (older v0613) — which is cheaper?
GPT-3.5 Turbo (older v0613) is cheaper on output ($2/M vs $30/M).
Which has the larger context window?
Fugu Ultra offers the larger context window (1M tokens).
Fugu Ultra vs GPT-3.5 Turbo (older v0613) — which should I pick in 2026?
Choose GPT-3.5 Turbo (older v0613) for the lower output price ($2/M vs $30/M). Choose Fugu Ultra if you need the larger 1M context window.
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