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GPT-5 Mini

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 Mini

Efficient GPT-5 model optimized for cost-performance balance with strong capabilities across general tasks. Good coding performance (76.07 LiveBench Coding) and solid reasoning abilities. Suitable for high-volume applications where cost efficiency is important while maintaining quality results. Features reduced latency and lower operational costs.

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

#25

BenchmarkScoreRank

0.98

4

0.76

10

0.82

11

0.69

19

Graduate-Level QA

GPQA

0.82

40

Rankings

Overall Rank

#25

Coding Rank

#25

GPT-5 Mini: Specifications and GPU VRAM Requirements