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GPT-5.4 nano
GPT-5.4 nano

API OnlyChat & ReasoningtextimageUpdated March 17, 2026
Some details or benchmark scores on this page are self-reported by developers and unconfirmed.

GPT-5.4 nano

📌 Model Overview

Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation

GPT-5.4 nano is a Api Only model developed by OpenAI, released on 2026-03-17. It is designed primarily for Chat Reasoning workloads. Featuring a 400K tokens context window and Undisclosed parameter count, it offers robust performance for enterprise integration, developers, and researchers.


✨ Key Features & Capabilities

Specification Table
FeatureDescription
Context Window400K tokens capacity for extended prompts and multi-turn workflows
Primary TaskOptimized for Chat Reasoning
Deploymentapi-only
Modalitytext, image
Max OutputMax Output: 128K tokens
Native reasoning capabilityNative reasoning capability
Tool / function calling supportTool / function calling support

⚙️ Technical Specifications

Specification Table
SpecificationDetails
Developer / LabOpenAI
Release Date2026-03-17
Model TypeApi Only
ParametersUndisclosed
Context Window400K tokens
LicenseProprietary
Model Familygpt-nano

💰 Pricing

Specification Table
Tier / UnitRate (USD)
1M input tokens$0.2
1M output tokens$1.25
1M cache read tokens$0.02

📜 License & Usage

This model is governed by the Proprietary license. Please check official developer guidelines before commercial deployment.

Key Features

Max Output: 128K tokens

Feature 01

Native reasoning capability

Feature 02

Tool / function calling support

Feature 03

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Verified Sources

Tags

reasoningtool-callingstructured-output

Model Specs

api-only

Parameters

Undisclosed

Context Window

400K tokens

License

Proprietary

Deployment

api-only

Pricing

  • 1M input tokens$0.2
  • 1M output tokens$1.25
  • 1M cache read tokens$0.02

as of 2026-07-26

Lineage

Model Family

Part of the gpt-nano family

Curator Notes

Skeleton entry imported from models.dev backfill (2026-07-26). Needs manual enrichment and primary-source verification.

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