OpenCraftsakana · chat model
Try Fugu Ultra v2 onlinenew
sakana/fugu-ultra-v2Added to OpenRouter: 11 Sept 2026
First seen here: · Specs updated:
Use Fugu Ultra v2 in your browser. Explore pricing and capabilities below, or start a chat in OpenCraft.
Input price$5.00per M tokenscheaper than 4% of chat models
Output price$30.00per M tokenscheaper than 4% of chat models
Cache read$0.50per M tokens
Context window1Mtokensof the largest window in the catalog (10M)
Fugu Ultra v2 pricing: what a turn costs
Estimates from the published token rates above — real turns vary with tool calls and transcript length.
- Quick answer2K tokens in, 600 out$0.028
- 10-slide deck build60K tokens in, 9K out$0.57
- 150-page PDF read200K tokens in, 4K out$1.12
Specs and listed prices from OpenRouter. Actual usage cost depends on the serving provider.
How to use Fugu Ultra v2
- Select “Try Fugu Ultra v2 online” to open OpenCraft with this model selected.
- Sign in or create an account if prompted.
- Type a question or describe a task, then send your message.
To compare answers, start a separate chat with another model and use the same prompt.
Fugu Ultra v2 capabilities
tool-usevisionreasoning
text, image, file in → text out
Create with OpenCraft
See example outputs and find a workflow for your next project.