openai

GPT-5

GPT-5 is OpenAI's flagship language model that excels at complex reasoning, broad real-world knowledge, code-intensive, and multi-step agentic tasks.

Replaces GPT-4.1: input $2.1 → $1.3125 per 1M (-37%), output $8.4 → $10.5 per 1M (+25%), context 1M → 400K, max output 33K → 128K.

text inputimage inputpdf inputtext outputlanguage

Use with MiniRouter View docs

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',9    messages: [{ role: 'user', content: 'Why is the sky blue?' }],10  }),11})12 13const data = await response.json()14console.log(data.choices[0].message.content)

Read docs →

Overview

Model type: language
Context window: 400,000
Maximum output: 128,000
Input / 1M tokens: $1.3125
Output / 1M tokens: $10.5
Released: 2025-08-07

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, stop, tools, tool_choice, reasoning, include_reasoning.

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

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	$1.3125	$10.5	max_tokens, stop, tools, tool_choice, reasoning, include_reasoning	MiniRouter balance