Sakana: Fugu Ultra v2 API
Other·Vision
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...
Pricing
Cheapest live price, per 1 million tokens.
Input / 1M tokens
$5.00 OpenRouter
Output / 1M tokens
$30.00 OpenRouter
Cache read / 1M
Repeated prompt prefixes
Cache read is the discounted rate for repeated prompt prefixes (system prompts, agent context).
Capabilities · 10
Specifications
- Context window
- 1M
- Max output
- 128K
- Type
- Vision
- Creator
- Other
- Live sellers
- 5
- Requests / 24h
- 40
Price history · 60 days
Estimated monthly cost
30 days at the cheapest live price.
Quick start
OpenAI-compatible — change the base URL and key. Get a key from the dashboard.
from openai import OpenAI
client = OpenAI(
base_url="https://api.qubax.ai/v1",
api_key="YOUR_QUBAX_API_KEY",
)
response = client.chat.completions.create(
model="fugu-ultra-v2",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)About Sakana: Fugu Ultra v2
Sakana: Fugu Ultra v2 is a multimodal language model developed by Other. It's particularly well-suited for analyzing images, screenshots, and visual content, tackling complex, multi-step reasoning problems, orchestrating tool-using agents that call APIs and external services, grounding responses in real-time web search results, producing structured outputs for reliable data extraction and handling large contexts of up to 1M tokens. Its 1M-token context window means you can pass in entire documents, codebases, or conversation histories without losing context. It can write up to 128K tokens in a single response.
As of Oct 28, 2026, Sakana: Fugu Ultra v2 costs $3.75 per 1M input tokens and $22.50 per 1M output tokens on Qubax, versus $5.00 / $30.00 on OpenRouter (25% less on input). A typical 1,000 chat requests (2K tokens in, 500 out) come to about $18.75. 5 independent compute providers currently serve it, so requests fail over automatically. Pay with USDC, USDT, BTC, ETH or 350+ other coins — no credit card required.
Similar-priced alternatives
Frequently asked questions
How much does the Sakana: Fugu Ultra v2 API cost?
On Qubax, Sakana: Fugu Ultra v2 costs $3.75 per 1M input tokens and $22.50 per 1M output tokens. This is 25% cheaper than OpenRouter's price of $5.00 per 1M input tokens.
Is the Sakana: Fugu Ultra v2 API compatible with OpenAI?
Yes. Qubax provides an OpenAI-compatible API. You can use Sakana: Fugu Ultra v2 as a drop-in replacement by changing your base URL to https://api.qubax.ai/v1 and using your Qubax API key. It works with Cline, Cursor, OpenCode, Hermes Agent, and any tool that supports OpenAI APIs.
Why is Sakana: Fugu Ultra v2 cheaper on Qubax than OpenRouter?
Qubax sources AI inference from an open compute marketplace on the Base blockchain where GPU providers compete on price. We pass the savings to you — 25% cheaper than OpenRouter's price for Sakana: Fugu Ultra v2.
How do I pay for Sakana: Fugu Ultra v2 API usage?
Qubax uses prepaid crypto credits. Top up with USDC, USDT, BTC, ETH, SOL or 350+ other coins and your balance is deducted as you use the API. No credit card or KYC required.
What is the context window of Sakana: Fugu Ultra v2?
Sakana: Fugu Ultra v2 supports a context window of 1M tokens, allowing you to process large documents, codebases, or long conversations in a single request.
What can I build with Sakana: Fugu Ultra v2?
You can use Sakana: Fugu Ultra v2 to analyze images and visual content, tackle complex multi-step reasoning tasks, build autonomous agents that call external tools and APIs, answer questions with real-time web search, generate structured JSON output for data pipelines and process long documents and entire codebases. Because it's served through Qubax's OpenAI-compatible API, integration into existing apps, agents, or workflows takes just a few lines of code.
How fast and reliable is Sakana: Fugu Ultra v2 on Qubax?
Responses stream token by token. 5 sellers serve it, so if one is slow or down the request moves to the next.
Sakana: Fugu Ultra v2 vs GPT-5.4 Image 2: which should I choose?
Sakana: Fugu Ultra v2 by Other and GPT-5.4 Image 2 by OpenAI are both strong models in a similar price tier. Sakana: Fugu Ultra v2 excels at complex reasoning and supports vision/image inputs. GPT-5.4 Image 2 comes from a different lab and may have different strengths depending on your workload. On Qubax, Sakana: Fugu Ultra v2 starts at $3.75/1M input tokens while GPT-5.4 Image 2 comes in at $3.60/1M, so GPT-5.4 Image 2 may be worth considering if you need to minimize per-token cost. Both are available on Qubax with crypto payments and OpenAI-compatible APIs, so you can try each and switch freely.
Can I use Sakana: Fugu Ultra v2 for commercial projects?
Yes. Sakana: Fugu Ultra v2 on Qubax can be used for commercial purposes. You own the outputs you generate. Qubax provides the API infrastructure — you bring your use case.
Why use Sakana: Fugu Ultra v2 on Qubax?
25% cheaper
Providers compete on price — you get the cheapest healthy seller.
Pay with crypto
350+ coins (BTC, ETH, SOL, USDT, USDC). No card, no KYC.
OpenAI & Anthropic compatible
Drop-in base URL. Works with Cline, Cursor, Claude Code, OpenAI and Anthropic SDKs.
