o1-pro vs Fugu Ultra v2
Fugu Ultra v2 is 23× cheaper than o1-pro on a blended basis. Fugu Ultra v2 has the larger context window at 1M tokens.
Side by side
Green marks the better value in each row where a comparison is meaningful.
| Attribute | o1-pro | Fugu Ultra v2 |
|---|---|---|
| Provider | OpenAI | Sakana |
| Input / 1M tokens | $150 | $5.00 |
| Output / 1M tokens | $600 | $30.00 |
| Blended / 1M tokens | $263 | $11.25 |
| Cached input / 1M | - | $0.500 |
| Context window | 200K | 1M |
| Max output | 100K | 128K |
| Input modalities | text, image, file | text, image, file |
| Reasoning | Yes | Yes |
| Tool calling | No | Yes |
| Structured output | Yes | Yes |
| Prompt caching | No | Yes |
| Open weights | No | No |
| Knowledge cutoff | 2023-10-31 | 2026-08-28 |
| Released | March 19, 2025 | September 11, 2026 |
Frequently asked
Is o1-pro or Fugu Ultra v2 cheaper?
Fugu Ultra v2 is 23× cheaper than o1-pro on a blended basis.
What is the price difference between o1-pro and Fugu Ultra v2?
o1-pro costs $150 per million input tokens and $600 per million output tokens. Fugu Ultra v2 costs $5.00 and $30.00 respectively.
Which has the larger context window, o1-pro or Fugu Ultra v2?
Fugu Ultra v2, at 1M tokens versus 200K.