openai

GPT 5.4

Input / 1M: $2.625
Output / 1M: $15.75
Context: 1,050,000 tokens
Catalog: Gateway catalog

About this model

GPT-5.4 is OpenAI's best general-purpose model, part of the GPT-5 flagship model family. It's their most intelligent model yet for both general and agentic tasks.

Replaces GPT 5.2: input $1.8375 → $2.625 per 1M (+43%), output $14.7 → $15.75 per 1M (+7%), context 400K → 1.1M.

text inputimage inputpdf inputtext outputlanguage

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Use an endpoint supported by this model.

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Thinking guide →

1const response = await fetch('https://api.minirouter.sh/v1/chat/completions', {2  method: 'POST',3  headers: {4    Authorization: `Bearer ${process.env.MINIROUTER_KEY}`,5    'Content-Type': 'application/json',6  },7  body: JSON.stringify({8    model: 'openai/gpt-5.4',9    messages: [{ role: 'user', content: 'Why is the sky blue?' }],10    max_tokens: 1024,11  }),12})13 14const data = await response.json()15console.log(data.choices[0].message.content)

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Overview

Model type: language
Context window: 1,050,000
Maximum output: 128,000
Input / 1M tokens: $2.625
Output / 1M tokens: $15.75
Released: 2026-03-05

Prices include the MiniRouter fee. Compatibility snapshot: 2026-08-06. Input: text, image, pdf. Output: text.

Endpoints

/v1/chat/completions/v1/messages/v1/responses

Platform-funded routing only. Caller BYOK credentials and OIDC-based upstream authentication are intentionally excluded; authenticate with a MiniRouter bearer key.

Captured parameters: max_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoning, response_format, structured_outputs.

Structured output: JSON Schema and JSON mode enforced on verified providers. How it works

API

Use the setup panel above to switch between Chat Completions, Messages, and client configurations. Every snippet keeps the model ID unchanged.

Base URLhttps://api.minirouter.sh/v1

Model IDopenai/gpt-5.4

Providers

MiniRouter selects from the configured routes below. Priority is the catalog order, not a latency or availability score.

Provider	Priority	Input / 1M	Output / 1M	Parameters	Access
vercel	1	$2.625	$15.75	max_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoning, response_format, structured_outputs	MiniRouter balance