Parameters
-
Context Length
400K
Modality
Text
Architecture
Dense
License
Proprietary
Release Date
13 Nov 2025
Knowledge Cutoff
-
Attention Structure
Multi-Head Attention
Hidden Dimension Size
-
Number of Layers
-
Attention Heads
-
Key-Value Heads
-
Activation Function
-
Normalization
-
Position Embedding
Absolute Position Embedding
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.
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.
Rank
#7
| Benchmark | Score | Rank |
|---|---|---|
StackUnseen ProLLM Stack Unseen | 0.89 | 🥇 1 |
Reasoning LiveBench Reasoning | 0.83 | 🥉 3 |
Web Development WebDev Arena | 1477 | ⭐ 4 |
Coding LiveBench Coding | 0.76 | 10 |
Mathematics LiveBench Mathematics | 0.77 | 12 |
Overall Rank
#7
Coding Rank
#2 🥈