gpt-5.2-codex

1436 Score third-party Elo · arena.ai / LMArena ?

GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

LLM & Generative AI 1 model 1 listings snapshot Oct 14, 2026, 12:43 AM

Platforms

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Cheapest OpenRouter no official benchmark Input$1.75 Output$14.00 per 1M tokens Fastest OpenRouter lowest p50 latency on this board 128.1 ms p50 Most free quota — largest published free allowance — free tier

Model variants

W3r9 dedup — same model + identical tags merge; prices are listed per billing form

Model	Provider	Tags	Input /1M	Output /1M
openai/gpt-5.2-codex	OpenRouter	391k contextmultimodalreasoning	$1.75	$14.00

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

androidnative 1176 · 47.5% wr
godotgamedev 1142 · 47.8% wr
mobileapps 1087 · 46.6% wr
webapps 1044 · 39.6% wr
fullstack 993 · 37.2% wr

Input / Output modalities modality: text+image->text

text in+out
image input only

Platform details

per provider

provider	model	Input /1M	Output /1M	Latency ?	Official $/1M	Availability	Data time
OpenRouter	openai/gpt-5.2-codex	$1.75	$14.00	128.1 ms	—	100% available	2026-10-14 00:43:21

1 rows · snapshot 2026-10-14 00:43:21 · from data/public/prices.json + measurements.json