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GPT-5.2 High

Parameters

-

Context Length

400K

Modality

Text

Architecture

Dense

License

Proprietary

Release Date

13 Nov 2025

Knowledge Cutoff

-

Technical Specifications

Attention Structure

Multi-Head Attention

Hidden Dimension Size

-

Number of Layers

-

Attention Heads

-

Key-Value Heads

-

Activation Function

-

Normalization

-

Position Embedding

Absolute Position Embedding

GPT-5.2 High

High-performance GPT-5.2 variant optimized for demanding tasks with extended reasoning capabilities. Delivers state-of-the-art results in mathematics (93.17 LiveBench Mathematics) and strong performance across reasoning, coding, and language understanding. Features enhanced thinking modes and improved accuracy on complex problems. Ranks highly on web development (Elo 1477) and excels at technical tasks.

About GPT-5

OpenAI's latest generation of language models featuring advanced reasoning capabilities, extended context windows up to 400K tokens, and specialized variants for coding, general intelligence, and efficiency. GPT-5 series introduces improved thinking modes, superior performance across benchmarks, and variants optimized for different use cases from high-capacity Pro models to efficient Nano models. Features native multimodal understanding, enhanced mathematical reasoning, and state-of-the-art coding abilities through Codex variants.


Other GPT-5 Models

Evaluation Benchmarks

Rank

#7

BenchmarkScoreRank

0.89

🥇

1

0.83

🥉

3

Web Development

WebDev Arena

1477

4

0.76

10

0.77

12

Rankings

Overall Rank

#7

Coding Rank

#2 🥈