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Azure Cognitive Services

Codex Mini API

Azure Cognitive Services
About

Build advanced reasoning agents with Codex Mini, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $1.50/1M input and $6.00/1M output tokens, native tool calling support. Access Codex Mini via the Azure Cognitive Services API with up to 100K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Fixed
Attachment
Supported
Limits
Context Window
200K

Tokens

Input Limit
200K

Tokens

Max Output
100K

Tokens

Pricing

Standard (per 1M tokens)

Input
$1.50
Output
$6.00

Caching (per 1M tokens)

Read
$0.38
Frequently Asked Questions

Codex Mini by Azure Cognitive Services costs $1.50 per 1M input tokens and $6.00 per 1M output tokens. Cached reads cost $0.38 per 1M tokens.

Model Details
ID
codex-mini
Provider
Azure Cognitive Services
Family
gpt-codex-mini
Release Date
May 16, 2025
Knowledge Cutoff
Apr 1, 2024
API Integration
NPM Package
@ai-sdk/azure
Environment Variables
AZURE_COGNITIVE_SERVICES_RESOURCE_NAME
AZURE_COGNITIVE_SERVICES_API_KEY
Documentation