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SynthBoard

The Advisory Board You Couldn't Afford·synthboard.ai

SynthBoard.ai is a web platform where users assemble a standing board of 24 expert AI advisors ("Synths"), each with distinct personality, expertise, and reasoning style, to debate strategic or personal decisions. The Synths take positions, argue across rounds using multiple underlying LLMs (OpenAI, Anthropic, Google, Perplexity), and produce a synthesized recommendation with consensus scoring and preserved minority opinions. It offers cross-session memory, outcome tracking from connected tools, and approval-gated, reversible actions. Users can also build custom Synths, use 10 session modes, and access the platform via web, REST API, or MCP server.

What it's for

Strategic pivot decisionsHiring decisionsFundraising decisionsPricing decisionsMarket expansion decisionsB2B vs B2C decisionsCareer moves and life decisionsPitch deck review and interrogationCrisis management and rapid triageMarket entry analysisScenario planning and forecastingResearch synthesis across domains

Features 18

1-on-1 deep-dive chat with individual Synths
10 session modes (Boardroom, Idea Lab, Lightning Round, Arena, Shark Tank, Command Center, War Room, Deep Dive, Crystal Ball, Research Lab)
100+ language support, including RTL languages
24 expert AI advisor personas (Synths)
62 integrations across 22 categories
Approval-gated actions, reversible within 30 seconds
Consensus engine with claim extraction, conflict mapping, and risk scoring
Cross-session memory
Custom Synth builder trainable on uploaded documents
Decision Impact Score tracking
Document/context upload (PDF, DOCX, PNG)
Full audit trail
Multi-LLM routing (GPT, Claude, Gemini, Perplexity) matched per persona
Native adapters for Zapier, n8n, Make, Pipedream, Activepieces, Arcade
Outcome learning from connected tools (Stripe, Linear, Calendar, Gmail, HubSpot)
Public REST API, MCP server, and Webhooks
Session Assistant research analyst with web search and citations
Smart Setup auto-assembly of relevant advisors and mode

At a glance

free tierAPI

TypeWeb app

DeploymentCloud

PlatformsWeb

LanguagesEnglish, Hebrew, Arabic, Chinese

ForFounders, Creators, Product Leaders, Consultants, Operators & executives, Investors, Coaches, Teams, Anyone facing a high-stakes decision

CompanySynthBoard

Integrations

SlackStripeHubSpotCalendarGmailNotionLinearGitHubZapiern8nMakePipedreamActivepiecesArcadePaddle

Complianceself-reported

GDPRCCPASOC 2 Type IIISO 27001EU-US Data Privacy FrameworkPCI DSS

Resources

Docs

Pricing

Plans available: Free ($0), Pro ($20), Max ($50), Ultra ($99/month USD). Free tier includes 150 credits/month plus 250 bonus signup credits and 20 sessions to explore. Enterprise plan pricing available on request via 'Contact sales'.

FreeFree

No credit card required.

150 credits every month + 250 to start; 20 sessions to explore; 8 Essential Synths; budget & standard models only

Pro$20/mo

Price stated in llms.txt pricing tiers list; per-plan inclusions not itemized on page beyond general 'unlock premium AI models, all 24 experts, custom Synth creation' messaging shared across paid tiers.

Max$50/mo

Price stated in llms.txt pricing tiers list.

Ultra$99/mo

Price stated in llms.txt pricing tiers list.