ModelsGPT-5 Codex

GPT-5 Codex

by OpenAI

Premium

Complex reasoning, large context, state-of-the-art performance

Pricing
Input
$1.25
per 1M tokens
Output
$10.00
per 1M tokens
Cached
$0.125
per 1M tokens
Note: Released Sep 2025. Fine-tuned for autonomous software engineering
Context & Output
Context Window272K tokens
Max Output128K tokens
Latency
Adaptive
Capabilities
Multimodal
Streaming
Function Calling
Prompt Caching
Key Strengths
What makes this model stand out
Agentic coding
7+ hour autonomy
Code review
Try GPT-5 CodexCompare All Models
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