Braintrust vs Promptfoo (2026)
A detailed comparison of Braintrust and Promptfoo covering features, pricing, platform support, and more.
Feature Comparison
| Feature | Braintrust | Promptfoo |
|---|---|---|
| LLM evaluation framework | Yes | No |
| Prompt management | Yes | No |
| Experiment tracking | Yes | No |
| Regression testing | Yes | Yes |
| Human feedback collection | Yes | No |
| Benchmark creation | Yes | No |
| Dataset management | Yes | No |
| Prompt evaluation CLI | No | Yes |
| Cost analysis | No | Yes |
| Model comparison | No | Yes |
| Dataset testing | No | Yes |
| Webhook integration | No | Yes |
| Web UI for results | No | Yes |
Pricing Comparison
| Detail | Braintrust | Promptfoo |
|---|---|---|
| Free Tier | Yes | Yes |
| Free Tier Details | Limited evaluations per month | Open-source CLI |
| Starting Price | Free | Free |
| Plan 1 | Starter: $40/month | Cloud Pro: $20/month |
| Plan 2 | Pro: $200/month | — |