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Talk to your users without scheduling a call
Create evidence-based personas from your interviews, then ask them about pain points, objections, and MVP adoption likelihood.
Generate user personas and have AI-simulated conversations grounded in real interview data.
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10 interviews analyzed before your standup
Upload transcripts or audio. Get auto-clustered pain points with severity scores, supporting quotes, and confidence intervals.
Automatically synthesize themes and evidence across dozens of interviews in minutes.
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Every claim traced to evidence
Unlike ChatGPT or Claude, every AI output includes inline citations back to your source documents. No hallucination. No hand-waving.
Every paragraph in your PRD links to the exact user quote, ticket, or data point it came from.
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The right AI model, automatically
Smart Model Routing picks the optimal model (Claude, GPT-4o, Gemini) based on your query type. Better quality. Lower cost.
Simple questions use fast models. Deep analysis uses powerful ones. You save tokens without thinking about it.
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From rough notes to structured PRD in minutes
20+ templates: PRD, Persona, JTBD, Competitive Analysis, Impact/Effort Matrix, Tech Spec, OKR/KPI, and more.
Choose a template, attach your context, and get a structured output in the format your team expects.
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Your product memory never forgets
1Brain remembers your roadmap, decisions, and trade-offs across every session. No re-explaining your product.
Context persists across conversations. Your AI copilot knows your product as well as you do.