NanoGPTFugu Ultra v1.1 model ID, context window & pricing
fugu
Quick facts
Model ID sakana/fugu-ultra-v1.1
Source NanoGPT
Context Window 1000000
Pricing $5.25 input / $31.50 output per 1M tokens
Capabilities tool calling, reasoning, structured output
Model overview
Fugu Ultra v1.1 is an AI model from NanoGPT with 1000000 token context window and text, image input support.
Published pricing is $5.25 input and $31.50 output per 1M tokens.
- Workloads that use text, image inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID sakana/fugu-ultra-v1.1
Provider NanoGPT
Family fugu
Status -
Knowledge Cutoff -
Release Date 2026-07-24
Input Modalities text, image
Output Modalities text
Context Window 1000000
Input Limit 1000000
Output Limit 16384
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control -
Open Weights No
Input Cost / 1M tokens $5.25
Output Cost / 1M tokens $31.50
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.53
Cache Write Cost / 1M tokens -