AI Personas Without the Enterprise Wait
Or the custom interview process
Simile builds AI twins from real interviews. TestSynthia gives you instant access to 1M+ pre-built stateful personas. Start testing in minutes, not months. Social simulation included.
Compare with Simile AI
time to first result
demo run
stateful personas
The Comparison
Skip the setup. Start testing now.
TestSynthiaThe Old Way
Enterprise AI research takes months to start.
The Interview Bottleneck
Simile requires months of qualitative interviews to train each agent. You can't test an idea until you've interviewed hundreds of people. By then, the market has moved on.
Enterprise Gatekeeping
No self-serve option. No trial. You go through sales, procurement, and custom implementation before running a single test. Traditional enterprise friction, applied to AI.
Siloed Agents
Simile's agents work in isolation. They don't talk to each other, influence each other, or simulate social dynamics. You get individual opinions, not emergent market behavior.
When to Choose
Which Approach Fits Your Needs?
Use Both If...
Start with TestSynthia for rapid exploration across demographics. Use Simile for deep-dive studies on your highest-value customer segments. Different tools, different jobs.
Choose Simile If...
You have months to set up, need agents trained on your specific customers, and want individual-depth over population-scale. Best for deep longitudinal studies with custom personas.
Choose TestSynthia If...
You need fast iteration, social dynamics simulation, and instant access to diverse demographics. Perfect for rapid concept validation, message testing, and pre-launch research.
The difference
Months of setup vs.
instant testing
Before
Months of interviews & enterprise sales
After
Testing in 10 minutes
Pricing
Simple pricing. No enterprise sales
Start instantly
TestSynthia
- ✓1M+ stateful AI personas
- ✓500 responses per month
- ✓Priority generation (~10 min turnaround)
- ✓Top-ups available
- ✓No contract
Simile AI
- ✓Interview-trained agents
- ✓Custom implementation
- ✓Enterprise support
- ✓Gallup partnership access
Enterprise-only. Contact sales for quote.
Frequently asked questions
Compare with other tools
See how TestSynthia stacks up against more market research platforms
UserTesting connects you with real humans. TestSynthia simulates them — a living market simulation with 1M+ stateful AI personas. Get directional signal in 10 minutes. Validate before you invest in traditional user research.
Maze tests interactive prototypes with real users. TestSynthia tests your concept with 1M+ AI personas before you write a line of code. Get directional feedback in 10 minutes, not days.
Wynter connects you with verified B2B buyers for message testing at $500+ per test. TestSynthia simulates B2B personas with 1M+ stateful AI agents. Test 10 message variations for the price of one Wynter test.
Start testing now,
not in three months.
Skip the interviews. Skip the enterprise sales cycle. Get directional insights today.