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GPT 5.2 Codex
gpt-codex
NanoGPT ·
openai/gpt-5.2-codex
Capabilities
Tool Call
Yes
Reasoning
Yes
Structured Output
Yes
Temperature Control
No
Attachments
Yes
Open Weights
No
Modalities
Input
text
image
pdf
Output
text
Pricing (per 1M tokens)
Input
$1.75
Output
$14.00
Install
Direct installation coming soon — March 2026
Provider Docs
Details
Provider
NanoGPT
Model ID
openai/gpt-5.2-codex
Family
gpt-codex
Release Date
2026-01-14
Last Updated
2026-01-14
Limits
Context
400K
Max Input
400K
Max Output
128K
SDK
@ai-sdk/openai-compatible
GPT 5.2 Codex — Harmony Marketplace