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GPT-5.2-Codex vs GPT-5.2-Instant

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

SpecGPT-5.2-CodexGPT-5.2-Instant
ProviderPoePoe
Input / 1M tokens$1.60$1.60
Output / 1M tokens$13.00$13.00
Context window400K128K
Parameters——
Open weightsNoNo
ReleasedJan 2026Dec 2025

FAQ

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

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

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

GPT-5.2-Codex has the larger context window (400K tokens).

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