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GPT-5.2 vs GPT-5.2-Codex

Both have similar output pricing. Choose GPT-5.2 or GPT-5.2-Codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT-5.2GPT-5.2-Codex
ProviderOpenAIOpenAI
Input / 1M tokens$1.75$1.75
Output / 1M tokens$14.00$14.00
Context window400K400K
Parameters——
Open weightsNoNo
ReleasedDec 2025Dec 2025
LiveBench score75.474.3
SWE-bench Verified score72.872.8
SWE-bench Multilingual score66.766.3
LMArena (Chatbot Arena) Elo score1416—
LMArena WebDev Elo score14171338
LMArena Vision Elo score1246—
GPQA Diamond score91.4—
FrontierMath score40.7—
Epoch Capabilities Index score153—

FAQ

Is GPT-5.2 or GPT-5.2-Codex cheaper?

GPT-5.2 and GPT-5.2-Codex have comparable output pricing.

Which has the larger context window, GPT-5.2 or GPT-5.2-Codex?

Both models offer a similar context window.

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.