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GPT-5.4 on OpenAI API

GPT-5.4 · OpenAI

Serverless

Pricing

TypePrice (per 1M)
Input tokens$2.50
Output tokens$15.00

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

About GPT-5.4

GPT-5.4 is OpenAI's flagship frontier reasoning model, released March 5, 2026. It incorporates advances from GPT-5.3-Codex for coding and agentic workflows, and adds 'Thinking' mode with editable reasoning plans. Key capabilities include computer use (navigating interfaces via Playwright), image understanding and generation integration, full-stack web app generation, tool calling, and deep research. Knowledge cutoff is August 31, 2025. Model ID: gpt-5.4.

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Model Specs

Released2026-03-05
ArchitectureDecoder Only
Knowledge cutoff2025-08

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