SME Careers and Braintrust rarely get compared directly, and that's understandable — they're built around completely different value propositions. SME Careers wins on accessibility. Braintrust wins on fee structure. Neither is trying to be the other, which actually makes this an easy comparison once you know what you're optimizing for.

The Quick Answer

If you want the fastest, simplest path into AI training work, apply to SME Careers — there's no interview, and the acceptance rate is the highest of any platform we've reviewed. If you're a skilled professional (developer, data scientist, AI specialist) who wants to keep 100% of your rate without an agency taking a cut, apply to Braintrust. Many workers end up using both for different purposes.

Application Process: Night and Day Difference

SME Careers

SME Careers, operated by SuperAnnotate, has arguably the simplest application of any platform in this entire space. You fill out a short form — no CV required in most cases, no interview, no coding test. The team reviews manually, typically within about 15 days, and may request a short skills assessment depending on your stated expertise. Acceptance rate sits around 60%, the highest of any platform we've reviewed.

Braintrust

Braintrust requires more upfront effort. You build a full professional profile, then complete a roughly 15-minute AI-assisted video interview that screens communication skills and domain knowledge. This sets you up for automated job matching against Braintrust's 1,600+ open roles. It's not an intense process, but it's a real screening step that SME Careers simply doesn't have.

If you've been putting off applying anywhere because interview anxiety is holding you back, SME Careers removes that barrier entirely. Braintrust's video interview is still relatively low-pressure compared to a live human interview, but it is a genuine screening step.

Pay Structure: This Is Where They Really Differ

CategorySME CareersBraintrust
Generalist rate$17–$20/hr$20–$50/hr (you set it)
Domain expert rate$40–$130/hr$60–$150/hr
Platform fee to freelancerStandard (built into rate)0%
Who sets the rate?Platform sets itYou set it

This is the single most important distinction: Braintrust's 0% fee structure is genuinely rare in this industry. Most platforms — including SME Careers — build their fee into the rate you're offered, meaning you never see the cut directly, but it still affects what lands in your account. Braintrust instead charges the 15% fee to the client, so your agreed rate is exactly what you receive.

In practice, this means a $50/hr rate on Braintrust and a platform-quoted $50/hr rate elsewhere are not equivalent — the Braintrust number is closer to your true take-home equivalent of a higher quoted rate on a fee-charging platform.

Who Each Platform Is Actually Built For

SME Careers is built for breadth — beginners, generalists, and domain experts in law, medicine, and finance who want the lowest-friction way to start earning. The pay ceiling for credentialed experts ($130/hr) is genuinely excellent given how easy the platform is to join.

Braintrust is built for skilled professionals who already have marketable expertise — software engineers, data scientists, designers — and who specifically want to avoid the typical freelance-platform fee structure. If you're a generalist with no specialized skill, Braintrust's pool of 1,600+ roles will feel less relevant to you than it does to a senior engineer.

Payment Reliability

Neither offers the weekly reliability of Mercor or Outlier AI. If consistent fast cash flow matters most to you, factor this into your decision regardless of which platform otherwise fits your skill set better.

Our Recommendation

Apply to SME Careers first if you want the lowest-friction entry point — especially if you have domain expertise in law, medicine, or finance. Apply to Braintrust if you're a skilled technical professional who wants to keep 100% of your rate. There's no reason not to run both if you qualify for each.

Want the Full Breakdown?

Apply directly to either platform, or read our full reviews for the complete breakdown.