Best Rhesis AI Alternatives in 2026
Updated
20 platforms from AI LLM evaluation tools ranked against Rhesis AI on the same published basis.
- 1Rhesis AI vs Braintrust
- 2Rhesis AI vs Confident AI
- 3Rhesis AI vs Evidently AI
- 4Rhesis AI vs Galileo
- 5Rhesis AI vs Giskard
- 6Rhesis AI vs Langfuse
- 7Rhesis AI vs LangSmith
- 8Rhesis AI vs LangWatch
- 9Rhesis AI vs Maxim AI
- 10Rhesis AI vs NVIDIA NeMo Evaluator
- 11Rhesis AI vs Opik
- 12Rhesis AI vs Promptfoo
- 14Rhesis AI vs Weights & Biases
- 15Rhesis AI vs Arize Phoenix
- 16Rhesis AI vs Inspect AI
- 17Rhesis AI vs LM Evaluation Harness
- 18Rhesis AI vs OpenAI Evals
- 19Rhesis AI vs Ragas
- 20Rhesis AI vs UpTrain
- 21Rhesis AI vs OpenCompass
Rhesis AI alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Braintrust | 7.3 | Free plan | $249/mo | API, self-hosted, Web |
| 2 | Confident AI | 7.3 | Free plan | $200/mo | API, self-hosted, Web |
| 3 | Evidently AI | 7.3 | Free plan | $80/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | Galileo | 7.3 | Free plan | $100/mo | API, self-hosted, Web |
| 5 | Giskard | 7.3 | Free plan | Free | API, Linux, self-hosted, Web |
| 6 | Langfuse | 7.3 | Free plan | $29/mo | API, self-hosted, Web |
| 7 | LangSmith | 7.3 | Free plan | $39/mo | API, self-hosted, Web |
| 8 | LangWatch | 7.3 | Free plan | €29/mo | API, Linux, self-hosted, Web |
| 9 | Maxim AI | 7.3 | Free plan | $29/mo | API, self-hosted, Web |
| 10 | NVIDIA NeMo Evaluator | 7.3 | Free plan | Free | API, Linux, self-hosted |
| 11 | Opik | 7.3 | Free plan | $19/mo | API, Linux, self-hosted, Web |
| 12 | Promptfoo | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 14 | Weights & Biases | 7.3 | Free plan | $60/mo | API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 15 | Arize Phoenix | 7.2 | Free plan | Free | API, self-hosted, Web |
| 16 | Inspect AI | 7.2 | Free plan | Free | API, Browser |
| 17 | LM Evaluation Harness | 7.2 | Free plan | Free | API, Linux, self-hosted |
| 18 | OpenAI Evals | 7.0 | No | — | API, self-hosted, Web |
| 19 | Ragas | 7.0 | No | — | API, Linux, self-hosted |
| 20 | UpTrain | 7.0 | No | — | API, self-hosted, Web |
| 21 | OpenCompass | 6.8 | No | — | API, Linux, self-hosted |
Make your platform an alternative to Rhesis AI
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Rhesis AI alternatives
What is the best alternative to Rhesis AI?
Braintrust, number 1 in AI LLM evaluation tools with a score of 7.3 out of 10. The others here: Confident AI, Evidently AI, Galileo and 16 more.
What is the best free alternative to Rhesis AI?
Braintrust is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.