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BigBear.ai and Palantir are both artificial-intelligence companies serving government and commercial missions, but they are not comparable in size, financial strength or operating maturity. On the latest reported figures, Palantir is the stronger operating business: it generated $2.3 billion of third-quarter 2026 revenue, grew 96% year over year and reported $1.1 billion of operating income. BigBear.ai grew Q3 revenue 31% to $43.6 million and raised its 2026 guidance, yet it remained loss-making and had a negative adjusted EBITDA.
That does not automatically make Palantir the better stock to buy. A long-term investment decision also depends on the price you pay, the growth already embedded in expectations, cash generation, dilution, contract durability and your tolerance for small-cap execution risk. The evidence supports a clear business-quality advantage for Palantir, while BigBear.ai is the higher-risk, smaller-company proposition that requires successful scaling.
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| Name | Best for | Key spec | Checked |
|---|---|---|---|
| Palantir | Investors seeking scale, profitability and diversified government/commercial revenue | Q3 2026 revenue $2.3 billion, up 96%; 83% gross margin; $1.1 billion operating income | November 2026 |
| BigBear.ai | Speculative investors willing to accept small-cap losses and execution risk | Q3 2026 revenue $43.6 million, up 31%; 31.2% gross margin; $9.1 million adjusted EBITDA loss | November 2026 |
Prices checked November 2026.
Prices, plans and platform details do not apply to this stock comparison. Operating figures come from Palantir’s Form 10-Q for the quarter ended September 30, 2026 and BigBear.ai’s third-quarter 2026 results release.
Which AI stock has the stronger long-term business today?
Palantir has the stronger business profile in the latest disclosures. It is vastly larger, combines very rapid growth with GAAP operating profit, carries substantial net cash and serves both government and commercial customers. BigBear.ai has encouraging contract wins, improving gross margin and higher 2026 guidance, but it is still operating at a loss on a much smaller revenue base.
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The conclusion is about operating quality, not a price target. If Palantir’s share price already assumes years of exceptional growth, its stock could underperform even while the company executes well. Conversely, BigBear.ai could deliver a high percentage return if its platform scales faster than investors expect, but it also has a much wider range of outcomes, including dilution, integration problems or weaker government spending.
How different are Palantir’s and BigBear.ai’s scale and growth?
The starting points are dramatically different. Palantir reported $2.3 billion in Q3 revenue and $5.9 billion for the first nine months of 2026, with nine-month revenue up 92% year over year. BigBear.ai reported $43.6 million in Q3 revenue, up 31%. Palantir therefore added far more dollars of revenue even though BigBear.ai’s percentage growth was notable for a small company.
| Measure | Palantir | BigBear.ai | How to interpret it |
|---|---|---|---|
| Q3 2026 revenue | $2.3 billion | $43.6 million | Palantir’s quarterly sales were roughly 53 times larger. |
| Q3 year-over-year growth | 96% | 31% | Both are growing quickly, but from very different bases. |
| First nine months of 2026 | $5.9 billion, up 92% | Comparable figure not provided in the cited release | Use the companies’ different reporting periods carefully. |
| 2026 guidance | No comparable full-year figure in the cited evidence | $150 million–$165 million revenue | BigBear.ai’s guidance is an outlook, not recognized revenue. |
BigBear.ai described Q3 as its third consecutive quarter of organic growth, but the same release said the increase was substantially driven by its Generative AI Platform, acquired as Ask Sage in December 2025. That means investors should separate reported growth from internally generated growth. Acquisition-led sales can be valuable, but they bring integration, retention and purchase-accounting risks and do not prove that the pre-existing business can compound at the same rate.
BigBear.ai’s chief executive, Kevin McAleenan, said the company was raising full-year guidance after revenue growth, contract wins and improved margins. Guidance of $150 million to $165 million implies a much larger business than the Q3 run rate, but management still has to convert awards into delivered work and collect the associated revenue.
Which company is profitable and generating cash?
Palantir has a decisive advantage on the reported profitability measures. Its Q3 operating income was $1.1 billion and gross margin was 83%. BigBear.ai’s Q3 gross margin was 31.2%, improved from 22.4% in Q3 2025, but it reported a $91.9 million net loss and a $9.1 million adjusted EBITDA loss.
The BigBear.ai net loss included a $76.7 million non-cash goodwill impairment. An impairment reduces the accounting value of an acquired business; it does not represent a cash payment in that quarter. However, removing the impairment does not make the underlying operation profitable: adjusted EBITDA was still negative, and adjusted EBITDA is a non-GAAP measure that should be viewed alongside GAAP net income, operating income and cash flow rather than used as a substitute for them.
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Palantir’s high gross margin indicates that a large portion of each additional software dollar remains after direct costs. BigBear.ai’s margin improvement is directionally positive, but its much lower margin leaves less room to absorb sales costs, research spending, contract delays and integration expenses. A long-term investor should watch whether BigBear.ai can sustain margin gains as the Generative AI Platform becomes a larger part of sales.
Palantir also reported $3.3 billion of net cash from operating activities in the first nine months of 2026. That internally generated cash can fund research, sales expansion and acquisitions without relying as heavily on new financing. The cited Q3 BigBear.ai release does not provide a directly comparable current cash-flow or cash-balance figure, so it would be unsafe to infer its financial cushion from an older filing.
What do the companies’ customer mixes reveal?
Palantir disclosed a balanced mix for the first nine months of 2026: 51% of revenue came from government customers and 49% from commercial customers. That diversification can reduce dependence on any single budget cycle and gives the company two channels for expanding its software platforms.
BigBear.ai positions itself as a security and defense technology company. Its Q3 announcement highlighted wins involving the FBI, U.S. Coast Guard, Department of Energy and classified customers. This concentration can create strong mission-critical relationships, but it also exposes revenue to appropriations, procurement schedules, task-order timing and changes in government priorities.
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How reliable are backlog, contract value and remaining deal value?
BigBear.ai reported a $330 million backlog at the end of Q3 and more than 25 new wins since Q2 with over $225 million in contract value. These figures provide evidence of demand, but they are not the same as revenue already recognized in the income statement. Contract value is a non-GAAP operating measure, and the timing and amount of conversion can depend on funded task orders, customer options, delivery milestones and contract execution.
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Palantir reports remaining deal value and similarly warns that the total may not be realized. Options may not be exercised, contracts can be terminated and government budgets can delay revenue. Treat backlog, contract value and remaining deal value as indicators with different definitions rather than adding them together or treating them as guaranteed sales.
When reviewing either company, look for the portion that is funded, the expected recognition period, renewal rates, customer concentration and the relationship between bookings and cash collections. A large headline award is less useful if it is unfunded, optional or spread over many years.
Which balance sheet is better prepared for setbacks?
Palantir reported $10.4 billion in cash, cash equivalents and U.S. Treasury securities at September 30, 2026, alongside strong operating cash generation. That liquidity gives it flexibility to withstand a delayed contract, increase sales investment, pursue acquisitions or repurchase shares without immediately seeking outside capital.
The available BigBear.ai evidence does not provide a same-date cash comparison. Because the company is loss-making and integrating an acquired platform, investors should read its latest balance sheet for cash, restricted cash, debt, convertible securities, operating cash burn and any share issuance. A small company can grow rapidly yet still need financing before it reaches sustainable cash flow; new shares or other financing can dilute existing holders.
What are the main risks for a long-term investor?
BigBear.ai’s annual filing identifies procurement and government-spending risk, contract termination, competition and the challenge of integrating acquired businesses. Its dependence on defense and security buyers can make quarterly results lumpy. The Ask Sage acquisition may broaden its product offering, but integration costs, employee retention and cross-selling execution determine whether the purchase creates durable value.
Palantir’s risks are different rather than absent. Its filing notes that deal value may not convert fully because options may not be exercised, contracts may end and government budgeting can delay revenue. A very high growth rate can also create difficult comparisons: if new customer additions or expansion slow, the market may reduce the valuation multiple even while absolute revenue continues to rise.
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Both companies face competition from established contractors, software vendors and newer AI providers. AI spending can shift quickly, and customers may demand lower prices or build capabilities internally. Investors should also monitor stock-based compensation, dilution, customer concentration and whether reported growth is organic, acquisition-driven or helped by a one-time contract.
Does Palantir’s stronger business make it the better stock?
Not necessarily. A stock represents a claim on future cash flows at a particular price. No consistent, same-date comparison of Palantir’s and BigBear.ai’s share prices, enterprise values or forward revenue and earnings multiples is provided in the cited evidence. Refresh those figures immediately before investing.
Use a simple expectation test:
- Write down the price and valuation. Capture market capitalization, enterprise value, trailing revenue and the forward estimates used by your data provider on the same date.
- Estimate the growth required. Ask what revenue growth and margin expansion are needed for today’s valuation to look reasonable over five to ten years.
- Check cash conversion. Compare operating cash flow with net income and examine stock-based compensation, capitalized costs and working-capital swings.
- Stress the contract base. Model delayed government awards, unexercised options, customer losses and a slower conversion of backlog into revenue.
- Account for dilution. Include expected share issuance, employee equity and any convertible securities in per-share calculations.
- Match risk to your portfolio. Palantir’s size and cash generation may suit a core holding, while BigBear.ai’s uncertainty is more consistent with a position sized for a speculative outcome.
This framework prevents a common mistake: treating a high-quality company as automatically cheap, or treating a fast-growing small company as automatically undervalued.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What would change the comparison over the next year?
For Palantir, monitor whether growth remains broad across government and commercial customers, whether the 83% gross-margin profile holds, and whether operating cash flow continues to track reported profit. Watch contract duration, customer expansion and any change in management’s discussion of options and budget timing.
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For BigBear.ai, the critical checkpoints are conversion of the $330 million backlog, delivery against the $150 million–$165 million 2026 revenue outlook, sustained gross-margin improvement and progress toward positive adjusted EBITDA and GAAP profitability. Also check whether growth excluding the Ask Sage acquisition accelerates, stabilizes or fades.
Quarterly results can change the relative picture quickly. A single large award should not override several quarters of cash burn, and one impairment should not obscure the longer-term operating trend.
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Bottom line: which stock is better for a long-term investor?
Palantir is the better-supported choice for an investor prioritizing scale, profitability, cash generation and a balanced government/commercial customer base. BigBear.ai is a speculative alternative: its 31% Q3 growth, improved gross margin, contract wins and raised guidance show potential, but its small revenue base, acquisition dependence, operating loss and financing risk make the outcome less predictable.
The final decision still depends on valuation. Before buying either stock, update the share price and forward expectations, then test whether the required growth and margin assumptions fit your time horizon and risk tolerance. Business quality favors Palantir; upside from a successful turnaround may favor BigBear.ai, but that upside comes with materially greater execution risk.
How we compared them
The comparison uses reported revenue growth in percentage and dollar terms, GAAP profitability, gross margin, operating cash flow, liquidity, customer mix, guidance, backlog and contract definitions. It gives greater weight to recurring operating performance than to non-GAAP measures or headline contract value, and it separates business quality from valuation because no verified same-date multiple comparison was available in the cited evidence.
Frequently Asked Questions
Is BigBear.ai’s backlog guaranteed revenue?
No. Backlog can include work that is scheduled for later periods and may depend on funding, task orders, customer options or successful delivery. Investors should track how much is funded and how quickly it becomes recognized revenue and cash.
What does a goodwill impairment mean for BigBear.ai shareholders?
A goodwill impairment is an accounting reduction in the value assigned to an acquisition when expected economics deteriorate; it is not a current-period cash payment. It can nevertheless signal that earlier acquisition assumptions were too optimistic, so shareholders should examine the company’s continuing margins and cash burn rather than dismissing the charge entirely.
Can Palantir’s government contracts be canceled?
Yes. Government agreements may contain termination rights, optional periods and funding conditions, and budget delays can push revenue into later quarters. Palantir’s remaining deal value therefore represents potential business, not an unconditional promise of future sales.
What should I verify before buying either AI stock?
Check a same-day market capitalization and enterprise value, the latest share count, forward revenue and earnings estimates, and operating cash flow. Then read the newest filing for customer concentration, contract duration, dilution and any change in guidance; these items can move faster than a stock-screening summary.
