- Free Tools
- LLM Cost Estimator
- GitHub Copilot
- GPT-5.4 nano

GPT-5.4 nano via GitHub Copilot
Specifications
Context Window
400,000 tokens
Release Date
2026-03-17
Capabilities
AttachmentsReasoningTool callingStructured outputTemperatureImage input
Availability
Proprietary API
Model Overview
GitHub Copilot is an AI-powered coding assistant that integrates directly into code editors, providing intelligent code completions, chat, and code review powered by multiple language models.
GPT-5.4 nano is a gpt-nano-family model by GitHub Copilot with a 400k token context window and up to 128k output tokens. It is priced at $0.2000/1M input tokens and $1.25/1M output tokens.
Key capabilities include: attachments, reasoning, tool calling, structured output, temperature, image input. It supports advanced reasoning for complex multi-step tasks. It can call external tools and functions for agentic workflows.






