Frameworks and libraries used to train, fine-tune, and load AI models.
GitHub stars among selected training/fine-tuning framework alternatives.
Ranked alternatives
Popularity-ranked entries linked back to graph nodes and deterministic sources.
| Rank | Component | Kind | Openness | Popularity metric | Tasks | Source |
|---|---|---|---|---|---|---|
| 1 | Transformerssoftware:transformers | software | open source | 161,459GitHub stars as of 2026-06-10 | training, inference, model-loading | source |
| 2 | PyTorchsoftware:pytorch | software | open source | 100,623GitHub stars as of 2026-06-10 | training, inference | source |
| 3 | Unslothsoftware:unsloth | software | open source | 66,142GitHub stars as of 2026-06-10 | fine-tuning | source |
| 4 | DeepSpeedsoftware:deepspeed | software | open source | 42,488GitHub stars as of 2026-06-10 | training | source |
| 5 | Diffuserssoftware:diffusers | software | open source | 33,817GitHub stars as of 2026-06-10 | image-generation, model-loading | source |
| 6 | PyTorch Lightningsoftware:pytorch-lightning | software | open source | 31,178GitHub stars as of 2026-06-10 | training | source |
| 7 | PEFTsoftware:peft | software | open source | 21,257GitHub stars as of 2026-06-10 | fine-tuning | source |
| 8 | TRLsoftware:trl | software | open source | 18,591GitHub stars as of 2026-06-10 | fine-tuning | source |
| 9 | Megatron-LMsoftware:megatron-lm | software | unknown | 16,643GitHub stars as of 2026-06-10 | training | source |
| 10 | Axolotlsoftware:axolotl | software | open source | 12,030GitHub stars as of 2026-06-10 | fine-tuning | source |