GPT-5.4-Nano by Poe — Specs, Pricing & Capabilities | whichllm

Model ID openai/gpt-5.4-nano

Provider Poe

Family -

Status -

Knowledge Cutoff -

Release Date 2026-03-11

Input Modalities text, image

Output Modalities text

Context Window 400000

Input Limit 272000

Output Limit 128000

Tool Calling Yes

Reasoning Yes

Structured Output -

Temperature Control No

Open Weights No

Input Cost / 1M tokens $0.18

Output Cost / 1M tokens $1.10

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens $0.02

Cache Write Cost / 1M tokens -