For efficient ChatGPT alternatives to run on Hugging Face Spaces with API input/output support, the following models can work well on the free tier:
GPT-Neo (EleutherAI):
- Model: GPT-Neo 1.3B or 2.7B
- Efficiency: Smaller versions like 1.3B can run on the free tier.
- Why: Provides OpenAI GPT-like performance at lower computational cost.
OPT (Meta):
- Model: OPT-1.3B or 350M
- Efficiency: Efficiently uses memory, lower-end models work on the free tier.
- Why: Comparable to GPT-3, with Hugging Face Spaces integration.
DistilGPT-2 (Hugging Face):
- Model: DistilGPT-2
- Efficiency: Lighter and faster than full GPT-2, ideal for free-tier.
- Why: Reduced size for faster inference, still good quality.
T5 (Text-to-Text Transfer Transformer):
- Model: T5-Base or DistilT5
- Efficiency: Versatile and efficient for input/output text tasks.
- Why: Runs well on lower resources.