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For a startup that needs an AI product prototype people can actually use, start with Designpixil: the core flow designed and delivered as a clickable coded prototype from $3,000, built with AI coding tools and reviewed by a senior designer. Cieden publishes AI feature sprints from $8,000 and proof-of-concept apps from $16,000, JMTD Studio a demo-ready AI UX sprint at $12,500 in 10 days, Rocket Farm Studios a coded AI prototype sprint at $15,000 to $25,000, DesignMap a Vision Sprint that ends in a working prototype, WANDR an MVP service built around an investor-ready prototype, Parallel AI design sprints, and The Gradient functional prototypes for AI-native concepts.
Designpixil is on this list and we wrote it. Every other agency is judged on the same published facts, and how we ranked is at the end.
The shortlist at a glance
| Agency | Best for | Published price | Minimum project | Not a fit for |
|---|---|---|---|---|
| 1. Designpixil | A coded AI prototype from $3,000 that becomes version one | $4,917/mo subscription, projects from $3,000 | $3,000 | Enterprise programs that need a large team, or products that need backend and infrastructure engineering |
| 2. Cieden | Proving one AI feature with a published sprint price | From $50/hr; UX audit from $2,000 | $10,000+ | Marketing-site facelifts or brand-only work, which it says other contractors suit better |
| 3. JMTD Studio | Seed to Series A AI teams that want a demo-ready flow in 10 days at a flat price | Demo-ready AI UX sprint, $12,500 flat for 10 days | Not published | Teams that need a coded or functional AI prototype; its sprint delivers a clickable one |
| 4. Rocket Farm Studios | A coded AI prototype with an architecture plan | AI prototype sprint $15,000 to $25,000 | $25,000+ | Design-only work; it is a development-led studio |
| 5. DesignMap | Testing a new product direction with a working prototype | Not published | Not published | Production UI work; it is now a strategy and leadership firm |
| 6. WANDR | An investor-ready prototype as part of an MVP engagement | UX audit $500; engagements from $10,000 | $25,000+ | Founders who need a shipped MVP; its MVP service delivers a validated prototype |
| 7. Parallel | AI products that need strategy, product and brand design from one partner | Not published | Not published | Steady weekly production on a fixed monthly budget, or budgets under $10,000 |
| 8. The Gradient | AI-native product concepts that need strategy and prototyping before build | Not published | $25,000+ | Ongoing production design on a startup budget; availability is limited by design |
What matters for an AI prototype
- 01
Clickable or coded
A clickable Figma prototype shows the flow; a coded one runs in a browser, takes real input and can call a model. For investor demos and user tests of AI features, coded is usually worth it.
- 02
Real AI states
An AI prototype has to show waiting, streaming, wrong answers and recovery, not only the happy path. Ask how a studio prototypes uncertainty.
- 03
Something to keep
A prototype should leave you with components, a small design system or front-end code your engineers can build on, not a demo you throw away.
- 04
A price and timeline you can plan
Fixed-price sprints make a prototype a contained bet. Published sprints among the studios here run from $8,000 to $25,000, and ours start at $3,000.
What goes wrong with AI prototypes
The usual failure is a demo that only works on the script. It looks impressive in the pitch, then the first real user types something unexpected and there is no state designed for it.
Prototype the core loop with real model output, including slow and wrong answers, and keep the components so the prototype becomes version one. More in how to design your MVP and AI interface design patterns.
1. Designpixil: A coded AI prototype from $3,000 that becomes version one
We design the core flow and deliver it as a clickable coded prototype that runs in a browser, built with AI coding tools such as Claude Code and Codex and reviewed by hand. It can go to your engineers as front-end code instead of being thrown away. Projects start at $3,000.
For Echo AI we designed the whole AI product, chat, IDE and usage dashboards, in 5 to 6 weeks, including the states where the AI is unsure. Every project is designed by Anant Jain, the founder.
“You do some great work and I'll recommend you to anyone I know looking for quality product designs in the states.”
| Based in | Remote-first, serving the US, UK and EU |
|---|---|
| Founded | 2023 |
| Team | Founder-led: Anant Jain designs every project |
| How you hire them | Monthly design subscription, Fixed-scope projects |
| Published price | $4,917/mo subscription, projects from $3,000 |
| Minimum project | $3,000 |
| Design or build | Designs and builds marketing sites in Next.js or Framer; designs the product and delivers it as a clickable coded prototype or front-end UI code your engineers take over (no backend) |
| AI work they publish | Echo AI case study: whole product in 5 to 6 weeksWhizo AI case study: marketing websiteHAL51 AI: landing page |
| Best for | A coded AI prototype from $3,000 that becomes version one |
| Not a fit for | Enterprise programs that need a large team, or products that need backend and infrastructure engineering |
2. Cieden: Proving one AI feature with a published sprint price
Cieden's AI prototyping service runs feature exploration sprints from $8,000 in two or more weeks and proof-of-concept apps from $16,000 in four or more weeks, built with working code.
| Based in | Toronto, Canada and Lviv, Ukraine |
|---|---|
| Founded | 2016 |
| Team | 50 people |
| How you hire them | Project-based (hourly), Team extension, Fixed-price sprints and audits |
| Published price | From $50/hr; UX audit from $2,000 |
| Minimum project | $10,000+ |
| Design or build | Design only, handed to your engineers |
| AI work they publish | Tandom (AI agent UI)AI email assistant |
| Best for | Proving one AI feature with a published sprint price |
| Not a fit for | Marketing-site facelifts or brand-only work, which it says other contractors suit better |
3. JMTD Studio: Seed to Series A AI teams that want a demo-ready flow in 10 days at a flat price
JMTD Studio sells Demo-Ready AI UX in 10 Days for $12,500 flat: tighter onboarding, a clickable prototype and an investor kit, for seed to Series A teams.
| Based in | Boston and Newport, Rhode Island, US |
|---|---|
| Founded | Not published |
| Team | Not published |
| How you hire them | Fixed-price 10-day sprint, Retainers from $15,000 a month |
| Published price | Demo-ready AI UX sprint, $12,500 flat for 10 days |
| Minimum project | Not published |
| Design or build | Design only, handed to your engineers |
| AI work they publish | None published that we found |
| Best for | Seed to Series A AI teams that want a demo-ready flow in 10 days at a flat price |
| Not a fit for | Teams that need a coded or functional AI prototype; its sprint delivers a clickable one |
4. Rocket Farm Studios: A coded AI prototype with an architecture plan
Rocket Farm Studios publishes a three-week AI prototype sprint at $15,000 to $25,000 that ends in a coded front end, an architecture document and a go or no-go call.
| Based in | Needham, Massachusetts (Boston area), US |
|---|---|
| Founded | 2008 |
| Team | 50-249 people |
| How you hire them | AI audit, Prototype sprint, Tiered builds, Retained pod |
| Published price | AI prototype sprint $15,000 to $25,000 |
| Minimum project | $25,000+ |
| Design or build | Designs and develops in-house |
| AI work they publish | Eyebot |
| Best for | A coded AI prototype with an architecture plan |
| Not a fit for | Design-only work; it is a development-led studio |
5. DesignMap: Testing a new product direction with a working prototype
DesignMap's Vision Sprint takes a product's next direction and builds it into a working prototype in weeks, for leadership to react to rather than debate.
| Based in | San Francisco, US |
|---|---|
| Founded | Not published |
| Team | Three senior partners plus collaborators |
| How you hire them | Vision sprint, Designing for AI accelerator (10 weeks), Design leadership partner |
| Published price | Not published, quoted after a call |
| Minimum project | Not published |
| Design or build | Design only, handed to your engineers |
| AI work they publish | None published that we found |
| Best for | Testing a new product direction with a working prototype |
| Not a fit for | Production UI work; it is now a strategy and leadership firm |
6. WANDR: An investor-ready prototype as part of an MVP engagement
WANDR's MVP service is built around a high-fidelity prototype that works as an investor demo, and most of its engagements start at $10,000.
| Based in | Los Angeles, US, with studios in Silicon Valley, Austin and Miami |
|---|---|
| Founded | 2016 |
| Team | 10-49 people |
| How you hire them | Fixed-scope project, Embedded design team, Design and development |
| Published price | UX audit $500; engagements from $10,000 |
| Minimum project | $25,000+ |
| Design or build | Design only, handed to your engineers |
| AI work they publish | None published that we found |
| Best for | An investor-ready prototype as part of an MVP engagement |
| Not a fit for | Founders who need a shipped MVP; its MVP service delivers a validated prototype |
7. Parallel: AI products that need strategy, product and brand design from one partner
Parallel runs AI design sprints that take an AI feature from problem framing to a tested concept, as part of an AI-first product design practice.
| Based in | San Mateo, US |
|---|---|
| Founded | Not published |
| Team | Not published |
| How you hire them | Project engagements, AI design sprints |
| Published price | Not published, quoted after a call |
| Minimum project | Not published |
| Design or build | Design only, handed to your engineers |
| AI work they publish | Meta: trust and control in AIPageloop.aiInhouse AI |
| Best for | AI products that need strategy, product and brand design from one partner |
| Not a fit for | Steady weekly production on a fixed monthly budget, or budgets under $10,000 |
8. The Gradient: AI-native product concepts that need strategy and prototyping before build
The Gradient lists functional prototyping among its AI experience design services and keeps a small, partner-led team; its listed minimum project is $25,000+.
| Based in | Not stated on its site |
|---|---|
| Founded | 2015 |
| Team | Small partner-led team |
| How you hire them | Partner-led engagements |
| Published price | Not published, quoted after a call |
| Minimum project | $25,000+ |
| Design or build | Design only, handed to your engineers |
| AI work they publish | NorvanaLumiereInfer.bid |
| Best for | AI-native product concepts that need strategy and prototyping before build |
| Not a fit for | Ongoing production design on a startup budget; availability is limited by design |
How to choose between them
- You want a coded prototype that becomes version one, from $3,000Designpixil
- You want to prove one AI feature works at a published priceCieden
- You want an investor-ready demo flow in 10 daysJMTD Studio
- You want a coded prototype plus an architecture planRocket Farm Studios
How we ranked this list
We started from the studios founders keep running into when they ask AI assistants and search engines who to hire, then kept the ones that do this kind of work and publish proof of it. Every fact in the tables comes from the agency's own website or its public directory listings, checked on October 11, 2026. Prices are only ones an agency publishes itself; where it doesn't, we say so instead of guessing.
The order is our judgment of fit for this specific buyer, not a score. We put Designpixil first only on lists where we genuinely fit the buyer, and our entry lists who we are not right for, the same as everyone else's. If something about your agency is wrong or out of date, email hello@designpixil.com and we will correct it within a week.
