AI Flash Report
Update OpenAI · Released

GPT-5.2

What is GPT-5.2?

GPT-5.2 is a Update AI model from OpenAI, released on December 11, 2025. It has a 400K tokens context window, costs $2.00 per million input tokens, and scores 1440 on Chatbot Arena Elo. It is available via the company's API.

Late-2025 GPT-5 refresh with improved reasoning and steerability.

Iterative improvement on GPT-5.1 with enhanced reasoning and faster performance

Key features

  • Enhanced reasoning capabilities
  • Improved adaptive reasoning
  • Better multimodal understanding
  • Faster inference

How much does GPT-5.2 cost?

GPT-5.2 pricing
Metric Price
input per mtok $2.00
output per mtok $10.00
cache read per mtok $0.17

Pricing data verified .

What context window does GPT-5.2 have?

Context window
400K tokens
Max output
64K
Input modalities
text, image, audio
Output modalities
text, audio

How does GPT-5.2 score on benchmarks?

GPT-5.2 benchmark scores
Benchmark Score
MMLU-Pro 87.4%
GPQA Diamond 90.3%
SWE-bench Verified 72.5%
AIME 2025 92.1%
LiveCodeBench 88.9%
HLE 35.4%
SciCode 52.1%
TAU2-bench 84.8%
TerminalBench-Hard 47.0%
IF-Bench 75.4%
LiveCodeBench Reasoning 72.7%
AA Intelligence Index 51.3
Chatbot Arena Elo 1440

Benchmark scores verified .

How does GPT-5.2 compare to GPT-5.1?

  • HLE: 26.5% → 35.4% (+8.9pt)
  • Input pricing: $2.25 → $2.00
  • Context window: 400K tokens → 400K tokens

Compare GPT-5.2 with

Launch coverage