Freesolo
Full-stack tools and hosted services for small-model post-training
About Freesolo
Freesolo provides autonomous training tools and hosted post-training for small models. Users can build a training environment, run post-training, and deploy an OpenAI-compatible endpoint; the Flash plan is priced per run and supports exporting standard-format weights for use elsewhere. The official page also shows a price comparison for a Qwen3-8B SFT + GRPO workload of approximately 30M tokens: Flash costs $42, Tinker about $420, and Together about $450.
Best for
Best use cases
Build a training environment
Run SFT + GRPO post-training
Deploy an OpenAI-compatible endpoint
Export weights and deploy them independently
Compare before choosing
The official comparison page states that for Qwen3-8B, SFT + GRPO, and an approximately 30M-token training workload, Flash costs $42, Tinker about $420, and Together about $450.
Features
Training environment and post-training
Build the environment and run post-training on the model.
OpenAI-compatible deployment
Deploy an OpenAI-compatible endpoint after training.
Standard-format weight export
Returns downloadable weights in standard formats after each run.
Data isolation
Data is encrypted in transit and at rest, and is not used to train other models.
Pros
- Exports weights in standard formats
- Provides a deployment flow for OpenAI-compatible endpoints
- Encrypts data in transit and at rest, and does not use it to train other models
Pricing Plans
Flash
- Qwen3-8B SFT + GRPO
- Approximately 30M tokens
* Pricing information is for reference only. Please refer to the latest announcement on Freesolo's official website.