Together AI
Weights & Biases
| Feature | Together AI | Weights & Biases |
|---|---|---|
| Pricing | Free only | Free / from $50/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.4 / 5 | 4.7 / 5 |
| Best For | ai-developers, startups, cost-conscious-teams, open-source-advocates | ml-engineers, research-teams, ai-companies, data-scientists |
| Founded | 2022 | 2017 |
| Inference Api | ✓ | ✗ |
| Fine Tuning | ✓ | ✗ |
| Custom Models | ✓ | ✗ |
| Openai Compatibility | ✓ | ✗ |
| Batch Processing | ✓ | ✗ |
| Embeddings | ✓ | ✗ |
| Experiment Tracking | ✗ | ✓ |
| Model Registry | ✗ | ✓ |
| Sweeps | ✗ | ✓ |
| Artifacts | ✗ | ✓ |
| Reports | ✗ | ✓ |
| Launch | ✗ | ✓ |
✓ Together AI Pros
- Fast inference speeds
- OpenAI-compatible API
- Cheaper than OpenAI for many models
- Custom model fine-tuning
✗ Together AI Cons
- Only open-source models
- Limited compared to full cloud providers
- Newer platform
✓ Weights & Biases Pros
- Best-in-class experiment tracking
- Beautiful visualizations
- Great collaboration features
- Generous free tier
✗ Weights & Biases Cons
- Learning curve for full platform
- Can be expensive for large teams
- Requires integration work
The Verdict
Together AI is built for ai developers and startups, with a focus on inference-api and fine-tuning. Weights & Biases targets ml engineers and research teams and leads with experiment-tracking and model-registry.
Together AI uses custom enterprise pricing, while Weights & Biases starts at $50/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Bottom line: Weights & Biases has a slight overall edge — but if fast inference speeds matters most to you, Together AI may still be the right call.