Best ARES Alternatives in 2026
Updated
20 platforms from AI LLM evaluation tools ranked against ARES on the same published basis.
- 1ARES vs Braintrust
- 2ARES vs Confident AI
- 3ARES vs Evidently AI
- 4ARES vs Galileo
- 5ARES vs Giskard
- 6ARES vs HoneyHive
- 7ARES vs Langfuse
- 8ARES vs LangSmith
- 9ARES vs LangWatch
- 10ARES vs Maxim AI
- 11ARES vs NVIDIA NeMo Evaluator
- 12ARES vs Opik
- 13ARES vs Promptfoo
- 14ARES vs Rhesis AI
- 15ARES vs Weights & Biases
- 16ARES vs Arize Phoenix
- 17ARES vs Inspect AI
- 18ARES vs LM Evaluation Harness
- 19ARES vs OpenAI Evals
- 20ARES vs Ragas
ARES 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 | HoneyHive | 7.3 | Free plan | Free | API, self-hosted, Web |
| 7 | Langfuse | 7.3 | Free plan | $29/mo | API, self-hosted, Web |
| 8 | LangSmith | 7.3 | Free plan | $39/mo | API, self-hosted, Web |
| 9 | LangWatch | 7.3 | Free plan | €29/mo | API, Linux, self-hosted, Web |
| 10 | Maxim AI | 7.3 | Free plan | $29/mo | API, self-hosted, Web |
| 11 | NVIDIA NeMo Evaluator | 7.3 | Free plan | Free | API, Linux, self-hosted |
| 12 | Opik | 7.3 | Free plan | $19/mo | API, Linux, self-hosted, Web |
| 13 | Promptfoo | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 14 | Rhesis AI | 7.3 | Free plan | Free | API, Linux, self-hosted, Web |
| 15 | Weights & Biases | 7.3 | Free plan | $60/mo | API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 16 | Arize Phoenix | 7.2 | Free plan | Free | API, self-hosted, Web |
| 17 | Inspect AI | 7.2 | Free plan | Free | API, Browser |
| 18 | LM Evaluation Harness | 7.2 | Free plan | Free | API, Linux, self-hosted |
| 19 | OpenAI Evals | 7.0 | No | — | API, self-hosted, Web |
| 20 | Ragas | 7.0 | No | — | API, Linux, self-hosted |
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Questions about ARES alternatives
What is the best alternative to ARES?
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 ARES?
Braintrust is the best-ranked alternative with a free plan. 18 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.