Fugu Ultra v2
sakana/fugu-ultra-v2- Sakana
- Family · Fugu Ultra v2
- Text · Image · File → Text
- Reasoning · adjustable
- Tools · JSON · Vision
Not on OSMEXO yet
Spec & list price
Context1M
Max output128K
Input / 1M$5.00
Output / 1M$30.006× input
Usage
Tokens / day9.9M▼ 67% 7d
Usage rank#394
Requests / day602
Tool calls / req0.60
Per request · 30 days
Avg input78.0K5.2× median
Avg output2.6K3.8× median
Cache hit82%1.2× median
Reasoning share39%0.7× median
Tool-call failures0.5%0.3× median
Consumption
Peak 1.5B 7 OctLow 3.2M 23 OctRank today #394
Speed
Output speed#201/33452 tok/s1.2× slower than median
First token#3144.97 s4.6× longer than median
Technical details
- Reasoning
- on · xhigh
- Tokenizer
- Other
- Knowledge cutoff
- 2026-08-28
- Moderation
- none
Reasoning effort
- max
- xhigh · default
- high
Request parameters 7
- tools
- tool_choice
- structured_outputs
- reasoning
- reasoning_effort
- include_reasoning
- web_search_options
When to use
Best for
- Deep reasoning over very long inputs
- File and image analysis in one request
- Tool-using agents on difficult tasks
- Large structured reports and outputs
Think twice for
- Simple low-cost bulk classification
- Latency-sensitive chat
- Self-hosting (closed weights)
- Image generation
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