GPT-5 Nano by Azure — Specs, Pricing & Capabilities | whichllm

Model ID gpt-5-nano

Provider Azure

Family gpt-nano

Status -

Knowledge Cutoff 2024-05-30

Release Date 2025-08-07

Input Modalities text, image

Output Modalities text

Context Window 272000

Input Limit -

Output Limit 128000

Tool Calling Yes

Reasoning Yes

Structured Output -

Temperature Control No

Open Weights No

Input Cost / 1M tokens $0.05

Output Cost / 1M tokens $0.40

Reasoning Cost / 1M tokens -

Cache Read Cost / 1M tokens $0.01

Cache Write Cost / 1M tokens -