# HashiCorp Vault vs AWS Secrets Manager: which do AI models recommend for secrets, October 2026

IT AI Recommendation Index, October 2026 Edition, Secrets management. Four of fourteen models named HashiCorp Vault first on the direct prompt; one named AWS Secrets Manager. Page: https://it-ai-index.com/identity/secrets-management/hashicorp-vault-vs-aws-secrets-manager/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| HashiCorp Vault | 31% | #1 of 13 | 34% | 77 | 14 of 14 |
| AWS Secrets Manager | 8% | #4 of 13 | 10% | 60 | 14 of 14 |

## The direct prompt, model by model

- Claude Haiku 4.5: hashicorp vault first (first choices: Doppler, HashiCorp Vault) (alternatives: AWS Secrets Manager, Akeyless, Delinea Secret Server, Infisical)
- Mistral Small: hashicorp vault first (first choices: HashiCorp Vault) (alternatives: AWS Secrets Manager, Azure Key Vault)
- Kimi K2: hashicorp vault first (first choices: Delinea Secret Server, HashiCorp Vault) (alternatives: 1Password, AWS Secrets Manager)
- GLM 4.7 FlashX: hashicorp vault first (first choices: HashiCorp Vault) (alternatives: AWS Secrets Manager, Doppler, Infisical)
- GPT-5.4 mini: aws secrets manager first (first choices: AWS Secrets Manager, Azure Key Vault) (alternatives: HashiCorp Vault)
- Perplexity Sonar: neither first, one named (first choices: Doppler) (alternatives: HashiCorp Vault)
- MiniMax M2.5: neither first, one named (first choices: Doppler) (alternatives: HashiCorp Vault, Infisical)
- GPT-6 Luna: neither first, one named (first choices: Doppler) (alternatives: AWS Secrets Manager, Infisical)
- Muse Glimmer 30B: neither first, one named (first choices: Doppler) (alternatives: AWS Secrets Manager, Akeyless, Azure Key Vault, Google Secret Manager, HashiCorp Vault, Infisical)
- Gemini 3.5 Flash: neither named (first choices: Doppler) (alternatives: Infisical)
- Grok 4.1 Fast: neither named (first choices: Doppler) (alternatives: 1Password, Infisical)
- DeepSeek V4 Flash: neither named (first choices: Doppler) (alternatives: Akeyless, Infisical)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: Doppler) (alternatives: 1Password Secrets Manager, Infisical)

## What the models said about HashiCorp Vault

- "for a mid-sized B2B company, it is generally no longer recommended unless you have a dedicated platform team" (Gemini 3.5 Flash, paraphrase prompt, hard negative)
- "Start with Delinea if you need a balanced, mid-market-focused PAM solution, or HashiCorp Vault if you have strong DevOps capabilities" (Kimi K2, direct prompt, first choice)
- "HashiCorp Vault remains the most capable and widely deployed, making it ideal if you have multi-cloud environments and complex requirements." (Claude Haiku 4.5, direct prompt, first choice)
- "For most mid-market B2B companies with a mix of cloud and on-premises needs, HashiCorp Vault is the most flexible and scalable choice" (Mistral Small, direct prompt, first choice)

## What the models said about AWS Secrets Manager

- "GitGuardian cautions that AWS Secrets Manager, GCP Secret Manager, and Azure Key Vault can create fragmentation if you operate in multi-cloud setups." (Perplexity Sonar, negative prompt, soft negative)
- "AWS Secrets Manager and Azure Key Vault have had vulnerabilities... They may not suit multi-cloud environments" (MiniMax M2.5, negative prompt, soft negative)
- "Strong vendor lock-in—if multi-cloud or hybrid, cross-cloud access adds friction/cost." (Grok 4.1 Fast, negative prompt, soft negative)
- "my default recommendation is: 1) If you're cloud-native and mostly on one major cloud: use the cloud provider's native secrets service. - AWS: AWS Secrets Manager" (GPT-5.4 mini, paraphrase prompt, first choice)
- "Best default for most mid-market teams on one major cloud: AWS Secrets Manager if you're mostly on AWS" (GPT-5.4 mini, direct prompt, first choice)
- "Already AWS-native and want minimal ops: AWS Secrets Manager is the pragmatic first step." (Muse Glimmer 30B, paraphrase prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.