Best WebArena Alternatives in 2026
Updated
20 tools from LLM evaluation tools ranked against WebArena on the same published basis.
- 1WebArena vs Promptfoo
- 2WebArena vs DeepEval
- 3WebArena vs Maxim AI
- 4WebArena vs Giskard
- 5WebArena vs Braintrust
- 6WebArena vs Galileo
- 7WebArena vs Parea AI
- 8WebArena vs Confident AI
- 9WebArena vs LiveBench
- 10WebArena vs Inspect AI
- 11WebArena vs LM Evaluation Harness
- 12WebArena vs Ragas
- 13WebArena vs RAGChecker
- 14WebArena vs ARES
- 15WebArena vs EvalPlus
- 16WebArena vs Whisper
- 17WebArena vs DecodingTrust
- 18WebArena vs garak
- 20WebArena vs HELM
- 21WebArena vs SWE-bench
WebArena alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Promptfoo | 7.5 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | DeepEval | 7.4 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 3 | Maxim AI | 7.4 | Free plan | $29/mo | API, self-hosted, Web |
| 4 | Giskard | 7.2 | Free plan | Free | API, Linux, self-hosted, Web |
| 5 | Braintrust | 7.1 | Free plan | $249/mo | API, self-hosted, Web |
| 6 | Galileo | 7.1 | Free plan | $100/mo | API, self-hosted, Web |
| 7 | Parea AI | 7.1 | Free plan | $150/mo | API, self-hosted, Web |
| 8 | Confident AI | 7.0 | Free plan | $200/mo | API, self-hosted, Web |
| 9 | LiveBench | 6.9 | No | — | Linux, Mac, Web, Windows |
| 10 | Inspect AI | 6.7 | Free plan | Free | API, Browser |
| 11 | LM Evaluation Harness | 6.7 | Free plan | Free | API, Linux, self-hosted |
| 12 | Ragas | 6.7 | No | — | API, Linux, self-hosted |
| 13 | RAGChecker | 6.5 | Free plan | Free | self-hosted |
| 14 | ARES | 6.4 | No | — | Linux, self-hosted |
| 15 | EvalPlus | 6.3 | No | — | API, Linux, self-hosted |
| 16 | Whisper | 6.3 | No | — | Windows, Mac, Linux |
| 17 | DecodingTrust | 6.2 | No | — | API, self-hosted |
| 18 | garak | 6.2 | No | — | Windows, Mac, Linux |
| 20 | HELM | 5.9 | No | — | Web |
| 21 | SWE-bench | 5.9 | No | — | Web, Mac, Linux |
Make your tool an alternative to WebArena
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about WebArena alternatives
What is the best alternative to WebArena?
Promptfoo, number 1 in LLM evaluation tools with a score of 7.5 out of 10. The others here: DeepEval, Maxim AI, Giskard and 16 more.
What is the best free alternative to WebArena?
Promptfoo is the best-ranked alternative with a free plan. 11 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.