Compare models

1 model side by side

Add a second model above to see them side by side.
openai/gpt-5.3-codex
Details
Overview
DescriptionGPT-5.3 Codex is the Codex-environment variant of GPT-5.3 for agentic coding with streaming, function calling, and structured outputs.
AuthorOpenAI
CategoryText Generation
Context length400K
Providers1
Pricing (per 1M tokens)
Input$2.00
Output$16.00
Capabilities
Reasoning
Tool calling
Vision
Streaming
Token activity (30 days)
Usage
Artificial Analysis
Intelligence42.0
Coding44.0
Benchmarks
GPQA Diamond0.8
IFEval0.7