Braintrust vs PromptLayer
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Braintrust
Evals and production tracing for teams shipping AI agents
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PromptLayer
A prompt CMS with evals and observability for AI teams
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| RECATOOLS Score | 7.5 / 10 | 7.1 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Freemium | Freemium |
| Free tier | Starter: $0 a month, unlimited users, $10 of model credits, 1 GB processed data, 10k scores, 14-day retention; no credit card | Free: 5 users, 2,500 requests and 250 eval cell executions a month, 1 workspace, 10 prompts, 10 playground runs a day |
| Paid from | $249/month (Pro, $100 of model credits) plus metered data and scores | $49/month (Pro, 5 users, overage $0.003 per transaction) |
| Has API | ✓ | ✓ |
| Open source | ✗ | ✗ |
| Free to use | ✓ | ✓ |
| Users | — | — |
| Founded | 2023 | 2022 |
| Maker | — | — |
| Verdict | Braintrust has the most complete trace-to-dataset-to-experiment loop we have seen for teams that treat evaluation as engineering. Loop drafts scorers and datasets, Patterns surfaces recurring production failures, and Bra... |
PromptLayer's strength is taking prompts out of the codebase: a versioned registry with diffs, rollback and release labels that domain experts can edit and deploy, backed by evaluations, regression tests, request logs an... |
| Full review → | Directory listing → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.