openai

GPT-4o (Fast)

GPT-4o from OpenAI has broad general knowledge and domain expertise allowing it to follow complex instructions in natural language and solve difficult problems accurately. It matches GPT-4 Turbo performance with a faster and cheaper API.

text inputimage inputpdf inputtext outputlanguage
const response = await fetch('https://api.minirouter.sh/v1/chat/completions', {  method: 'POST',  headers: {    Authorization: `Bearer ${process.env.MINIROUTER_KEY}`,    'Content-Type': 'application/json',  },  body: JSON.stringify({    model: 'openai/gpt-4o-fast',    messages: [{ role: 'user', content: 'Why is the sky blue?' }],  }),}) const data = await response.json()console.log(data.choices[0].message.content)
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Overview

Model type
language
Context window
128,000
Maximum output
16,384
Input / 1M tokens
$4.4625
Output / 1M tokens
$17.85
Released
2024-05-13

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.

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-4o-fast

Providers

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

ProviderPriorityInput / 1MOutput / 1MParametersAccess
vercel
1$4.4625$17.85max_tokens, temperature, stop, tools, tool_choiceMiniRouter balance