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List of GPT models
Ciro Santilli
(
@cirosantilli,
37
)
...
Generative AI by modality
AI text generation
Text-to-text model
Large language model
Generative pre-trained transformer
GPT model
2025-08-08
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on same topic
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Table of contents
GPT model by Google
List of GPT models
Gemini model
GPT model by Google
Gemini 3
Gemini model
GPT model by OpenAI
List of GPT models
GPT-1
GPT model by OpenAI
Improving Language Understanding by Generative Pre-Training
GPT-1
GPT-2
GPT model by OpenAI
Language Models are Unsupervised Multitask Learners
GPT-2
GPT-2 implementation
GPT-2
GPT-2 implementation in PyTorch
GPT-2
nanoGPT
GPT-2 implementation in PyTorch
GPT-2 variant
GPT-2
GPT-2 medium
GPT-2 variant
GPT-2 large
GPT-2 variant
GPT-2 XL
GPT-2 variant
GPT-3
GPT model by OpenAI
GPT-4
GPT model by OpenAI
GPT 4 Turbo
GPT-4
GPT-5
GPT model by OpenAI
GPT-5.1
GPT-5
GPT-5.1 Pro
GPT-5.1
Llama (language model)
List of GPT models
Llama 2
Llama (language model)
Llama 2 7B
Llama 2
Llama 3
Llama (language model)
Llama 3.1
Llama 3
Llama 3.1 8B
Llama 3.1
Llama 3.1 70B
Llama 3.1
Llama 3.1 405B
Llama 3.1
GPT model by Google
0
0
0
List of GPT models
Gemini model
0
0
0
GPT model by Google
Gemini 3
0
0
0
Gemini model
GPT model by OpenAI
0
0
0
List of GPT models
GPT-1
(117 M parameters, 2019-06)
0
0
0
GPT model by OpenAI
Improving Language Understanding by Generative Pre-Training
(GPT-1 paper)
0
0
0
GPT-1
GPT-2
(124 M parameters, 2019-11-05)
0
0
0
GPT model by OpenAI
Vocabulary
size
(
V)
: 50,257
Hidden
size
(
d
_
model)
: 768
Context
length
(
n
_ctx): 1024
Q
V
size
: (
d
_head): 64
Attention heads (
h)
: 12
FFN inner
size
(
d
_ff): 3072
Layers (
L)
: 12
Language Models are Unsupervised Multitask Learners
(GPT-2 paper)
0
0
0
GPT-2
cdn.openai.com/better-language-models/language_models_are_unsupervised_multitask_learners.pdf
GPT-2 implementation
0
0
0
GPT-2
GPT-2 implementation in PyTorch
0
0
0
GPT-2
Tags:
PyTorch model
nanoGPT
0
0
0
GPT-2 implementation in PyTorch
github.com/karpathy/nanoGPT
GPT-2 variant
0
0
0
GPT-2
GPT-2 medium
(355 M parameters)
0
0
0
GPT-2 variant
GPT-2 large
(774 M parameters)
0
0
0
GPT-2 variant
GPT-2 XL
0
0
0
GPT-2 variant
GPT-3
(175 B parameters, 2020-06)
0
0
0
GPT model by OpenAI
Vocabulary
size
(
V)
: 50,257
Hidden
size
(
d
_
model)
: 12,288
Context
length
2048
Q
V
size
: (
d
_head): 128
Attention heads (
h)
: 96
FFN inner
size
(
d
_ff)
4
× 12,288 = 49,152
Layers (
L)
: 96
GPT-4
0
0
0
GPT model by OpenAI
GPT 4 Turbo
0
0
0
GPT-4
platform.openai.com/docs/models/gpt-4-turbo
GPT-5
0
0
0
GPT model by OpenAI
GPT-5.1
0
0
0
GPT-5
GPT-5.1 Pro
0
0
0
GPT-5.1
This is the variant of
GPT-5.1
that you get on the web UI. It is unknown exactly how it correlates with the API.
Llama
(language model)
0
0
0
List of GPT models
Tags:
Open weight LLM model
,
Software developed by Facebook
Homepage:
www.llama.com/
Llama 2
(2023)
0
0
0
Llama (language model)
Page:
www.llama.com/llama2/
Llama 2 7B
0
0
0
Llama 2
Llama 3
(2024)
0
0
0
Llama (language model)
www.llama.com/models/llama-3/
Llama 3.1
0
0
0
Llama 3
Llama 3.1 8B
0
0
0
Llama 3.1
Llama 3.1 70B
0
0
0
Llama 3.1
Llama 3.1 405B
0
0
0
Llama 3.1
Ancestors
(15)
GPT model
Generative pre-trained transformer
Large language model
Text-to-text model
AI text generation
Generative AI by modality
Generative AI
AI by capability
Artificial intelligence
Machine learning
Computer
Information technology
Area of technology
Technology
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