PromenautHow we compare / Onyx
Promenaut vs Onyx
Onyx is a strong choice for open-source search and chat over a firm’s knowledge, self-hosted and on the model you choose.
Promenaut runs a governed workforce that carries the work end to end: a person decides where it matters, and each run leaves a verdict in a tamper-evident ledger.
As of October 2026
Checked against our code
Each Promenaut claim cites the catalogue capability behind it. Open one to read it; the site build fails if a cited capability stops holding.
No self-scores
Tools are placed by the question each one answers, not by marks we give ourselves.
Dated and sourced
Each competitor line links to the vendor’s own page, read in October 2026.
Where rivals win
Each comparison says where the other tool is stronger.
| What a regulated firm asks | Promenaut | Onyx |
|---|---|---|
| What it is | A governed workforce: modules of agents, teams and workflows | Search, chat and agents over your company’s knowledgeSource ↗ |
| Who does the job | Agents, teams and workflows carry it end to end, with work held for a person’s decision where it matters | A person asks; agents can also take actions in other appsSource ↗ |
| Where it runs | In your own cloud account from a shipped kit, including one with no outbound access | Your cloud, on premises, or fully air-gappedSource ↗ |
| Choice of model | Anthropic, OpenAI and Google directly, Amazon Bedrock, or your own AI gateway | Any major provider, or open-weights models on your own GPUsSource ↗ |
| Whose access applies | For knowledge, a deputy of the person who launched the run, within their permissions | Each source’s own permissions, enforced when a question is askedSource ↗ |
| What the work leaves behind | A verdict from each run on the agents that ran, in a tamper-evident ledger | Query history and a usage dashboard on the Business planSource ↗ |
| How cost works | Credits by each agent’s tier, estimated before launch | A free open-source core; Business per user a monthSource ↗ |
Where they are stronger
Where Promenaut differs
- What it is: A governed workforce: modules of agents, teams and workflows
- Who does the job: Agents, teams and workflows carry it end to end, with work held for a person’s decision where it matters
- What the work leaves behind: A verdict from each run on the agents that ran, in a tamper-evident ledger
Sources · As of October 2026
- https://github.com/onyx-dot-app/onyx
- https://onyx.app/
- https://docs.onyx.app/admins/billing/overview
- https://onyx.app/pricing
Tools are compared with tools that answer the same question. Our cells cite the capability behind them; open one to read it. Their cells link to the vendor’s own page, read in October 2026, and vendors move quickly, so check the date. Where a line could not be sourced from the vendor, it is not here.
Compare it on your own work
Bring one process and the tool you are weighing us against. We run the comparison on your material, with the people who would use it.
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