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GPT-5.2 Codex

deprecated

GPT-5.2 optimized for long-horizon, agentic coding tasks in Codex or similar environments. Supports low, medium, high, and xhigh reasoning effort settings.

400K context·$1.75 in·$14.00 out·Dec 2025 release·Vision, Reasoning, Tools / functions, Web search, Image output

Available on

Providers

Where GPT-5.2 Codex runs in Big-AGI, with each service's own model ID and USD-per-1M-token rates. The summary above prefers the creator's claim; rates below are each service's own.

ServiceModel IDContextInputOutputCache read

OpenAI

creatordelisted

gpt-5.2-codex

400K

$1.75

$14.00

$0.18

openai/gpt-5.2-codex

400K

$1.75

$14.00

$0.18

Specs as reported by each service · usage over the last 2 days · refreshed hourly

Run GPT-5.2 Codex in Big-AGI.

Connect your own key on any of the services above, at their rates, no markup - and run it side by side with every other model.

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