FastChat Alternatives in 2026

Category: data · 39,479 stars

5 of the best FastChat alternatives for data scientists, ML engineers, and analysts. Includes free, paid, and open-source options.

1. tensorflow

tensorflow is a strong FastChat alternative in the data category. Best for: data scientists, ML engineers, and analysts. Visit tensorflow →

Categorydata
Stars / adoption195,729
Best fordata scientists, ML engineers, and analysts

Read our tensorflow review · FastChat vs tensorflow

2. llama.cpp

llama.cpp is a strong FastChat alternative in the data category. Best for: data scientists, ML engineers, and analysts. Visit llama.cpp →

Categorydata
Stars / adoption117,132
Best fordata scientists, ML engineers, and analysts

Read our llama.cpp review · FastChat vs llama.cpp

3. DeepSeek-V3

DeepSeek-V3 is a strong FastChat alternative in the data category. Best for: data scientists, ML engineers, and analysts. Visit DeepSeek-V3 →

Categorydata
Stars / adoption103,765
Best fordata scientists, ML engineers, and analysts

Read our DeepSeek-V3 review · FastChat vs DeepSeek-V3

4. pytorch

pytorch is a strong FastChat alternative in the data category. Best for: data scientists, ML engineers, and analysts. Visit pytorch →

Categorydata
Stars / adoption100,805
Best fordata scientists, ML engineers, and analysts

Read our pytorch review · FastChat vs pytorch

5. DeepSeek-R1

DeepSeek-R1 is a strong FastChat alternative in the data category. Best for: data scientists, ML engineers, and analysts. Visit DeepSeek-R1 →

Categorydata
Stars / adoption91,985
Best fordata scientists, ML engineers, and analysts

Read our DeepSeek-R1 review · FastChat vs DeepSeek-R1

How to pick

When to stick with FastChat

FastChat is a strong choice when you're already in the data ecosystem, or when its specific strengths (analyzing datasets and training models) match your needs. If you're hitting limits, the alternatives above are the next best options.

Or stick with FastChat → All use cases