GPT-5 Pro
Parameters
-
Context Length
400K
Modality
Text
Architecture
Dense
License
Proprietary
Release Date
7 Aug 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 Pro
OpenAI's most capable GPT-5 model with advanced reasoning and comprehensive knowledge. Delivers exceptional performance across all domains including coding, mathematics, language understanding, and complex reasoning tasks. Features 400K context window and sophisticated thinking capabilities. Excels at web development (Elo 1398), mathematics (75.81), reasoning (81.69), and coding (72.11). Top-tier performance on MMLU (92.5%) and strong results across LiveBench categories.
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
#1
| Benchmark | Score | Rank |
|---|---|---|
Summarization ProLLM Summarization | 0.98 | 🥇 1 |
General Knowledge MMLU | 0.93 | 🥇 1 |
StackUnseen ProLLM Stack Unseen | 0.88 | 🥉 3 |
Reasoning LiveBench Reasoning | 0.82 | ⭐ 5 |
Web Development WebDev Arena | 1398 | 10 |
Mathematics LiveBench Mathematics | 0.76 | 15 |
Coding LiveBench Coding | 0.72 | 26 |
Rankings
Overall Rank
#1 🥇
Coding Rank
#8