GPT-5 Mini API
About
Build advanced reasoning agents with GPT-5 Mini, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.25/1M input and $2.00/1M output tokens, native tool calling support. Access GPT-5 Mini via the Requesty API with up to 32K output tokens.
Capabilities
Input Modalities
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Output Modalities
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Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Fixed
Attachment
Supported
Limits
Context Window
128K
Tokens
Input Limit
128K
Tokens
Max Output
32K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.25
Output
$2.00
Caching (per 1M tokens)
Read
$0.03
Frequently Asked Questions
GPT-5 Mini by Requesty costs $0.25 per 1M input tokens and $2.00 per 1M output tokens. Cached reads cost $0.03 per 1M tokens.
Model Details
ID
openai/gpt-5-mini
Provider
RequestyFamily
gpt-mini
Release Date
Aug 7, 2025
Knowledge Cutoff
May 30, 2024
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
REQUESTY_API_KEY
API Base URL
https://router.requesty.ai/v1