GPT-2 Models by OpenAI
This model family is considered obsolete. Consider newer alternatives in Related Model Families below.
4 models2019Up to 1k ctx
Last refreshed 2026-06-01. Next refresh: weekly.
About
GPT-2 is a family of 4 AI models by OpenAI, released in 2019.
Decision facts
- Best fit
- General model comparison
- Capability starting point
- GPT-2 XL with 1k context
- Lowest tracked input
- Not tracked
- Closest related family
- GPT Realtime 2
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
4 in view
GPT-2 XLCurrent
Use when the workload needs 1k context and 1.5B parameters.
2019-111k context1.5B parameters
GPT-2 LargeCurrent
Use when the workload needs 1k context and 774M parameters.
2019-081k context774M parameters
GPT-2 MediumCurrent
Use when the workload needs 1k context and 355M parameters.
2019-021k context355M parameters
GPT-2Current
Use when the workload needs 1k context and 124M parameters.
2019-021k context124M parameters
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| GPT-2 XL | Use when the workload needs 1k context and 1.5B parameters. | 2019-11 | 1k context1.5B parameters | Current |
| GPT-2 Large | Use when the workload needs 1k context and 774M parameters. | 2019-08 | 1k context774M parameters | Current |
| GPT-2 Medium | Use when the workload needs 1k context and 355M parameters. | 2019-02 | 1k context355M parameters | Current |
| GPT-2 | Use when the workload needs 1k context and 124M parameters. | 2019-02 | 1k context124M parameters | Current |
Release Timeline
3 release groups2019-11
1 current
GPT-2 XL
Current1k context1.5B parameters
2019-08
1 current
GPT-2 Large
Current1k context774M parameters
2019-02
2 current
GPT-2
Current1k context124M parameters
GPT-2 Medium
Current1k context355M parameters
Specifications(4 models)
| Model | Released | Context | Parameters |
|---|---|---|---|
| GPT-2 XL | 2019-11 | 1k | 1.5B |
| GPT-2 Large | 2019-08 | 1k | 774M |
| GPT-2 Medium | 2019-02 | 1k | 355M |
| GPT-2 | 2019-02 | 1k | 124M |
Popular comparisons in this family
- GPT-4 vs GPT-285
- GPT-2 vs Hunyuan Hy3 Preview52
- GPT-2 vs Nemotron 4 340B49
- GPT-2 Medium vs Together AI Qwen2-72B-Instruct47
- GPT-2 vs Llama 2 7B31
- GPT-1 vs GPT-229
- GPT-2 Medium vs Nemotron Mini 4B Instruct23
- GPT-2 Medium vs Xiaomi MiMo-V2.522
- GPT-2 Medium vs Granite Guardian 3.0 8B20
- GPT-2 Medium vs Llama 2 7B19
