Last refreshed 2026-06-22. Next refresh: weekly.
Why use Fugu Ultra on Vercel AI Gateway?
Vercel AI Gateway offers Fugu Ultra with pay-as-you-go pricing at $5.00/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.
Compare Fugu Ultra across 2 providers to find the best fit for your use caseSetup recipe
Python + curlpip install openaiexport AI_GATEWAY_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],sakana/fugu-ultraRequest example
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
model="sakana/fugu-ultra",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "sakana/fugu-ultra", not the LLMReference slug "fugu-ultra".
- creator/model-name e.g. kwaipilot/kat-coder-pro-v2
- The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.
Compare Fugu Ultra Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Sakana AI | $5.00 | $30.00 |
| Vercel AI Gateway | $5.00 | $30.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $5.00 |
| Output tokens | $30.00 |
| Image input | $1.00 |
Capabilities
About Fugu Ultra
Fugu Ultra is Sakana AI's quality-optimized multi-agent orchestration model. Achieves SWE-Bench Pro 73.7, LiveCodeBench 93.2, GPQA-D 95.5. Supports extended context beyond 272K tokens at higher pricing. Versioned API ID: fugu-ultra-20260615. Supports text and image input, reasoning effort levels (high, xhigh/max), structured outputs, and function calling via OpenAI-compatible API (base_url: https://api.sakana.ai/v1). Not available in EU/EEA.
FAQ
What does Fugu Ultra cost on Vercel AI Gateway?
On Vercel AI Gateway, Fugu Ultra costs $5 per 1M input tokens and $30 per 1M output tokens.
What is the context window for Fugu Ultra on Vercel AI Gateway?
Fugu Ultra supports a 1m token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other Fugu Ultra providers?
Fugu Ultra is available from 2 providers. The cheapest input pricing is $5/1M tokens from Sakana AI.
What API model ID do I use for Fugu Ultra on Vercel AI Gateway?
Use the model ID sakana/fugu-ultra when calling Vercel AI Gateway's API.
Who created Fugu Ultra?
Fugu Ultra was created by Sakana AI as part of the Fugu model family.
Is Fugu Ultra open source?
Fugu Ultra is not open source; the seed data lists it as proprietary.