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Best Google Cloud Agent Evaluation Alternatives in 2026

Updated

20 apps from AI prompt generators ranked against Google Cloud Agent Evaluation on the same published basis.

  1. 1
    Vellum Free plan AndroidextensioniOSMacself-hosted $30/mo7.4
    Google Cloud Agent Evaluation vs Vellum
  2. 2
    PromptWizard Free plan apiLinuxMacself-hostedWin Free7.3
    Google Cloud Agent Evaluation vs PromptWizard
  3. 3
    VantagePrompt Free plan Web $3/mo7.0
    Google Cloud Agent Evaluation vs VantagePrompt
  4. 4
    Agenta Free plan apiself-hostedWeb $29/mo6.9
    Google Cloud Agent Evaluation vs Agenta
  5. 5
    PromptEval Free plan apiWeb $9/mo6.9
    Google Cloud Agent Evaluation vs PromptEval
  6. 6
    PromptForge Free plan apiWeb $29/mo6.9
    Google Cloud Agent Evaluation vs PromptForge
  7. 7
    Promptic Free plan apiWeb €149/mo6.9
    Google Cloud Agent Evaluation vs Promptic
  8. 8
    Promptitude Free plan apiWeb $39/mo6.9
    Google Cloud Agent Evaluation vs Promptitude
  9. 9
    Promptotype Free plan Web $6/mo6.9
    Google Cloud Agent Evaluation vs Promptotype
  10. 11
    Latitude Free plan apiself-hostedWeb $99/mo6.8
    Google Cloud Agent Evaluation vs Latitude
  11. 12
    MLflow Prompt Optimization Free plan apiself-hostedWeb Free6.8
    Google Cloud Agent Evaluation vs MLflow Prompt Optimization
  12. 13
    Prompt Engine Free plan Web $4.99/mo6.8
    Google Cloud Agent Evaluation vs Prompt Engine
  13. 14
    PromptLayer Free plan apiself-hostedWeb $49/mo6.8
    Google Cloud Agent Evaluation vs PromptLayer
  14. 15
    ProofHound Free plan apiself-hostedWeb $29/mo6.7
    Google Cloud Agent Evaluation vs ProofHound
  15. 16
    TextGrad Linuxself-hosted 6.4
    Google Cloud Agent Evaluation vs TextGrad
  16. 17
    GEPAzilla apiself-hostedWeb 6.1
    Google Cloud Agent Evaluation vs GEPAzilla
  17. 18
    Microsoft Foundry Prompt Optimizer Web 6.1
    Google Cloud Agent Evaluation vs Microsoft Foundry Prompt Optimizer
  18. 19
    GEPA self-hosted 6.0
    Google Cloud Agent Evaluation vs GEPA
  19. 20
    Pythia self-hosted 6.0
    Google Cloud Agent Evaluation vs Pythia
  20. 21
    OpenPrompt LinuxWinMac 5.9
    Google Cloud Agent Evaluation vs OpenPrompt

Google Cloud Agent Evaluation alternatives compared

#AppScoreFree planFromRuns on
1Vellum7.4Free plan$30/moAndroid, Browser, iOS, Mac, self-hosted, Web, Windows
2PromptWizard7.3Free planFreeAPI, Linux, Mac, self-hosted, Windows
3VantagePrompt7.0Free plan$3/moWeb
4Agenta6.9Free plan$29/moAPI, self-hosted, Web
5PromptEval6.9Free plan$9/moAPI, Web
6PromptForge6.9Free plan$29/moAPI, Web
7Promptic6.9Free plan€149/moAPI, Web
8Promptitude6.9Free plan$39/moAPI, Web
9Promptotype6.9Free plan$6/moWeb
11Latitude6.8Free plan$99/moAPI, self-hosted, Web
12MLflow Prompt Optimization6.8Free planFreeAPI, self-hosted, Web
13Prompt Engine6.8Free plan$4.99/moWeb
14PromptLayer6.8Free plan$49/moAPI, self-hosted, Web
15ProofHound6.7Free plan$29/moAPI, self-hosted, Web
16TextGrad6.4No—Linux, self-hosted
17GEPAzilla6.1No—API, self-hosted, Web
18Microsoft Foundry Prompt Optimizer6.1No—Web
19GEPA6.0No—self-hosted
20Pythia6.0No—self-hosted
21OpenPrompt5.9No—Linux, Windows, Mac
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Questions about Google Cloud Agent Evaluation alternatives

What is the best alternative to Google Cloud Agent Evaluation?

Vellum, number 1 in AI prompt generators with a score of 7.4 out of 10. The others here: PromptWizard, VantagePrompt, Agenta and 16 more.

What is the best free alternative to Google Cloud Agent Evaluation?

Vellum is the best-ranked alternative with a free plan. 14 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: documentation depth, a free tier and the platforms it runs on.