Deduction vs Onesta (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: Onesta does not list a price
Free plan
Onesta
Only Onesta has one
Higher rating
Deduction
3.7 against 3.5
Same job?
Yes
Both are Finance & Fintech AI tools

Side by side

Compared on	Deduction	Onesta
Our rating	3.7Better	3.5
Starts at	$41.58/mo	Free
Free plan	No	YesBetter
Category	Finance & Fintech AI	Finance & Fintech AI
Plans	Standard$499	Free
Key features	Taylor CPAI agent that organizes documents and finds deductions automatically Licensed CPA review of every AI-prepared return before filing Conversational access by phone call, text, chat, or email, with no app required Year-round tax question answering, not a seasonal-only filing tool Free-to-use document organization and advice until a user chooses to file	OnestaBot AI assistant for finance, investing, budgeting, and tax questions Financial advisor search filtered by fee-only, fiduciary, and credential status SEC registration data (Form ADV) processing for advisor background checks Educational financial-literacy resources Free tier available
Pros	Human CPA review of every filing adds accountability an AI-only tax tool lacks Flat $499/year pricing is transparent versus tools that upsell state filing, forms, or support separately Free-until-you-file model lets users test document organization and Q&A before paying anything	Advisor verification is grounded in actual SEC filing data, not self-reported claims Combines AI Q&A with a concrete next step (finding a verified advisor) Free tier available to evaluate before upgrading
Cons	young company (2025 launch) with a thin public track record through a full tax season $2.8M pre-seed is a small funding base for a product handling regulated financial filings Currently built around US personal tax filing, not businesses or non-US jurisdictions	Free tier capped at just 10 questions per month AI financial guidance is educational, not a substitute for personalized professional advice Advisor database coverage depends on SEC registration - unregistered advisors won't appear
Company	Deduction, founded 2025	Onesta

Prices come from each vendor's pricing page, last checked 20260826. Check the vendor before you buy.

FAQ

Questions people ask

Is Deduction better than Onesta?

In our reviews Deduction scores 3.7 and Onesta scores 3.5. The better pick depends on the job. Deduction: An AI tax accountant that files US personal returns and answers tax questions year-round by call, text, or chat. Onesta: Ask OnestaBot a finance question and get an answer, then search a database of financial advisors verified against their actual SEC registration data - not just self-reported credentials.

Which is cheaper, Deduction or Onesta?

Deduction: from $41.58/mo. Onesta: free.

Do Deduction and Onesta have free plans?

Only Onesta has a free plan.

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