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GPT-5.2 Codex
gpt-codex
Neon ·
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
image
Pricing (per 1M tokens)
Input
$1.75
Output
$14.00
Cache Read
$0.17
Install
Direct installation coming soon — March 2026
Provider Docs
Details
Provider
Neon
Model ID
gpt-5-2-codex
Family
gpt-codex
Knowledge Cutoff
2025-08-31
Release Date
2025-12-11
Last Updated
2025-12-11
Limits
Context
400K
Max Input
272K
Max Output
128K
SDK
@ai-sdk/openai-compatible
GPT-5.2 Codex — Harmony Marketplace