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OpenAI

GPT-5.2-Codex

openai/gpt-5.2-codex

Not moderated
28.5
Intelligence
400k
Context window
$1.75
Input / 1M
$14.00
Output / 1M

Benchmarks

Intelligence index28.5
Coding index—
Agentic index—

Specifications

AddedJan 14, 2026
Context window400k
Max output128k
ModerationNo

Modalities

Input
textimage
Output
text

Capabilities

ToolsReasoningStructured