Question 1

What is the cost of GPT-5.4-Nano by Poe?

Accepted Answer

GPT-5.4-Nano by Poe costs $0.18 per 1M input tokens and $1.10 per 1M output tokens. Cached reads cost $0.02 per 1M tokens.

Question 2

What is the context window of GPT-5.4-Nano by Poe?

Accepted Answer

GPT-5.4-Nano by Poe has a context window of 400K tokens. It supports up to 272K input tokens and can generate up to 128K output tokens.

Question 3

What are the capabilities of GPT-5.4-Nano by Poe?

Accepted Answer

GPT-5.4-Nano by Poe supports advanced reasoning, tool calling/function calling, file attachments. It has closed weights.

Question 4

What input and output types does GPT-5.4-Nano support?

Accepted Answer

GPT-5.4-Nano by Poe accepts text, image as input and can generate text as output.

Question 5

Does GPT-5.4-Nano by Poe support reasoning?

Accepted Answer

Yes, GPT-5.4-Nano by Poe supports advanced reasoning capabilities.

Question 6

Is GPT-5.4-Nano by Poe open source?

Accepted Answer

No, GPT-5.4-Nano by Poe has closed weights. The model is only available through the Poe API.

Question 7

Does GPT-5.4-Nano support function calling?

Accepted Answer

Yes, GPT-5.4-Nano by Poe supports tool calling (also known as function calling), allowing it to interact with external tools and APIs during conversations.

GPT-5.4-Nano API

Input Modalities

Output Modalities

Standard (per 1M tokens)

Caching (per 1M tokens)