1Password vs Keeper Security
Eleven of fourteen models named 1Password first on the direct prompt; zero named Keeper Security. Both were named by all fourteen models and 1Password carries 74 labels and Keeper Security 55, so the shares are not directly comparable.
Named in six categories this edition.
Named in three categories this edition.
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; every quote names the model and the prompt it came from. Both figures come from the business password managers page.
By framing
1PasswordFirst choices, of fourteen modelsKeeper Security
Across every category in the November 2026 Edition, 1Password and Keeper Security were named in the same answer 162 times, of the 330 answers naming 1Password and the 172 naming Keeper Security. In those answers Keeper Security took the first choice nine times and 1Password ninety-two.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | | ||
| GPT-5.4 mini | | | | | ||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | ||
| Grok 4.20 | | | | | | |
| Mistral Small | | | | | ||
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | | | | ||
| Qwen 3.7 Flash | | | | | | |
| Kimi K2 | | | | | ||
| GLM 4.7 FlashX | | | | | ||
| MiniMax M2.5 | | | | | | |
| GPT-6 Luna | | | | | | |
| Muse Glimmer 30B | | | | | |
1Password Keeper Security first choice named as an alternative argued againstblank: not namedEach cell is one answer, 1Password on the left and Keeper Security on the right.The direct prompt
1Password first, Keeper Security an alternative
11 of 14 modelsKeeper Security was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
3 of 14 modelsThe answer put something else first and named one of the two as an alternative.Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
1Password45%#1 of 8Keeper Security0%#7 of 81Password53%#1 of 8Keeper Security2%#3 of 81Password47%#1 of 6Keeper Security9%#3 of 6What the models said about 1Password
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“security researchers disclosed vulnerabilities affecting several password manager browser extensions, including 1Password, Bitwarden, LastPass, and others” Claude Haiku 4.5 · negative prompt · soft negative
“For most mid-sized B2B companies, 1Password Business or Bitwarden offer the best balance of security, features, cost, and ease of management.” Claude Haiku 4.5 · paraphrase prompt · first choice
“For a typical mid-market B2B company, 1Password Business offers the best balance of security, usability, and enterprise features.” MiniMax M2.5 · direct prompt · first choice
“It is recommended to use a reputable and well-designed business password manager, such as 1Password Business or Bitwarden Teams” Llama 4 Maverick · negative prompt · first choice
What the models said about Keeper Security
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Recent 2026 research from ETH Zurich identified vulnerabilities in several popular ones” Grok 4.20 · negative prompt · soft negative
“commonly 1Password, Bitwarden, and Keeper for enterprise use” Gemini 3.5 Flash · scale prompt · first choice
“Keeper is frequently ranked best overall” Muse Glimmer 30B · comparative prompt · first choice
“Solid for security-heavy B2B (e.g., compliance-focused)... pricing is competitive but can feel enterprise-heavy for mid-size.” Grok 4.20 · paraphrase prompt · alternative
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.