Fugu Ultra v2 vs Sonar Pro Search compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Fugu Ultra v2 — full profile › · Sonar Pro Search — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
| Spec | Fugu Ultra v2 | Sonar Pro Search | Winner |
|---|---|---|---|
| Maker | Sakana AI | Perplexity | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1M tokens | 200K tokens | SAFugu Ultra v2 |
| Input price | $5/M | $3/M | |
| Output price | $30/M | $15/M | |
| Vision / multimodal | Yes | Yes | = Tie |
| Tool / function calling | Yes | No | SAFugu Ultra v2 |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Sonar Pro Search is ~2.0× cheaper than Fugu Ultra v2 on output tokens ($15 vs $30 per M tokens).
| Capability | Fugu Ultra v2 | Sonar Pro Search |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✓ | ✗ |
| 1M+ context window | ✓ | ✗ |
| Criterion | Fugu Ultra v2 | Sonar Pro Search |
|---|---|---|
| Cost-efficiency | 3.0 | 3.0 |
| Context window | 5.0 | 4.0 |
| 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.
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...
Exclusively available on the OpenRouter API, Sonar Pro's new Pro Search mode is Perplexity's most advanced agentic search system. It is designed for deeper reasoning and analysis. Pricing is based...
Sonar Pro Search is cheaper on output ($15/M vs $30/M).
Fugu Ultra v2 offers the larger context window (1M tokens).
Choose Sonar Pro Search for the lower output price ($15/M vs $30/M). Choose Fugu Ultra v2 if you need the larger 1M context window.
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