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GPT 5 Mini

by OpenAI · Language Models

Context 400K tokensVisionReasoning / thinkingFunction calling

Overview

Strong intelligence for cost-sensitive, low-latency, high-volume workloads. GPT-5 Mini is a faster, more cost-efficient version of GPT-5, best for well-defined tasks and precise prompts.

Context window400K tokens
Max output128K tokens
Input → Outputtext, image → text
CapabilitiesVision, Reasoning / thinking, Function calling

Pricing

from $2.59 / 1M tokens

UsageRate (USD)Unit
Input tokens$0.32per 1M tokens
Cached input (cache hit)$0.03per 1M tokens
Output tokens$2.59per 1M tokens

TuneRouter live platform pricing · currency: USD · pre-deduction settled by actual usage

Call it in 30 seconds

OpenAI-compatible · base URL https://api.tunerouter.com/v1/

POST/chat/completions
curl https://api.tunerouter.com/v1/chat/completions \
  -H "Authorization: Bearer $TUNEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "gpt-5-mini", "messages": [{"role": "user", "content": "Hello!"}]}'

Model ID: gpt-5-mini · works with OpenAI SDKs — just point base_url at api.tunerouter.com

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