OpenAI: GPT-5.4

Model specifications

Input

text, image, file

Output

text

Context

1,050,000 tokens

Max output

128,000 tokens

Input price

$2.5 / 1M tokens

Output price

5 / 1M tokens

Released

2026-03-06

Capabilities

• Streaming
• Function calling
• Vision
• JSON mode
• Playground

Provider pricing, discounts and data privacy

Compare effective provider prices, published discounts, regions, retention policies, training use, compliance, and privacy links by service tier.

Frequently asked questions

What is OpenAI: GPT-5.4?

GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for text and image inputs, enabling high-context reasoning, coding, and multimodal analysis within the same workflow. The model delivers improved performance in coding, document understanding, tool use, and instruction following. It is designed as a strong default for both general-purpose tasks and software engineering, capable of generating production-quality code, synthesizing information across multiple sources, and executing complex multi-step workflows with fewer iterations and greater token efficiency.

How much does OpenAI: GPT-5.4 cost?

Input costs start at $2.5 / 1M tokens and output costs start at 5 / 1M tokens. Provider-level prices vary by service tier.

What is the context length of OpenAI: GPT-5.4?

OpenAI: GPT-5.4 supports a 1,050,000 token context window and up to 128,000 output tokens.

What capabilities does OpenAI: GPT-5.4 support?

OpenAI: GPT-5.4 supports Streaming, Function calling, Vision, JSON mode, Playground.

Which providers offer OpenAI: GPT-5.4?

OpenAI: GPT-5.4 is available from OpenAI, Azure.

How do providers handle data privacy for OpenAI: GPT-5.4?

2 of 2 providers report that customer data is not used for training, and 1 offer zero-data-retention routing. Retention, compliance, and privacy-policy links are listed per provider.