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OpenAI

GPT-5.2 Codex

OpenAI's previous coding model. Strong performance at moderate pricing.

flagship

Input price

$1.75/1M

Output price

$14/1M

Context window

200K

Max output

65.536K

Capabilities

textvisiontool-usecodereasoning

Benchmarks

MMLU-Pro89%
HumanEval95.5%
GPQA76%

Strengths

  • ✓Strong coding performance
  • ✓Available via API now
  • ✓200K context window

Weaknesses

  • ✗Being superseded by 5.3
  • ✗Higher output cost than some competitors

Compare with similar models

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