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Best AI stock picking and signal tools (2026)

Picked by transparency and use case, not by claimed returns. Last checked 2026-10-17.

⚠ Risk note. AI scores, picks and sentiment readings are model output based on past data, not predictions you can bank on. Vendors' published hit rates are usually backtested or self-reported. None of these tools is a registered investment adviser to you; treat signals as a starting point for your own research, size positions small, and be wary of any service promising specific returns. Not financial advice.

Our picks

Best explainable AI score: Danelfin

Each stock gets a 1-10 AI Score with the features driving it shown. Free tier; Plus from $22/mo annual; API on Elite.

Best free stock signals: Prospero.ai

Ten signals ranked 1-100, free in the app.

Best AI research assistant: Kavout

The InvestGPT agent plus the Kai Score ranking, from $16/mo annual.

Best event-driven alerts: LevelFields

Alerts when buybacks, lawsuits or leadership changes hit, matched to how similar events moved prices. From $299/yr.

Best weekly AI pick list: Intellectia

A weekly list of 10 long-only stocks plus screeners. Free tier; paid plans from $11.96/mo annual.

Best for chart-pattern AI: TrendSpider

Automated pattern recognition and backtesting, plus bots. Listed under AI trading bots.

Best crypto on-chain and social data: Santiment

On-chain and social metrics with an official MCP connector for agents. Pro $49/mo.

Best crypto social sentiment API: LunarCrush

Social metrics via API and MCP, from $90/mo.

Best smart-money tracking: Nansen

Labeled wallets and flows, with an MCP server billed per credit. Pro $49/mo annual.

How we pick

Stocks

ToolMarketsWhat the AI doesPricingVisit
DanelfinUS stocks, ETFs, European stocksAI Score 1-10 rates each stock's probability of beating the market over 3 months, with the features behind the score; scores are probabilities, not guaranteesFree; Plus $22/mo annual ($29 monthly); Pro $59 ($79); Elite $134 ($179) with API accessVisit Danelfin
KavoutUS stocks, ETFs, cryptoInvestGPT research agent plus Kai Score (1-9 AI ranking from fundamental, technical and alternative data); credit-basedFree (10 credits/mo); Pro $16/mo annual (1,000 credits); Premium $39/mo annual (3,000 credits)Visit Kavout
LevelFieldsUS stocks, optionsevent-driven AI alerts: monitors ~6,300 companies and matches events (buybacks, leadership changes, lawsuits) to historical price reactionsLevel 1 $299/yr; Level 2 $1,599/yr (analyst-vetted alerts, SMS)Visit LevelFields
Prospero.aiUS stocksfree app with 10 stock signals ranked 1-100 (options sentiment, profitability, breakout scores) built from institutional-flow datacore app and signals free; paid newsletter/alerts (price not published on site)Visit Prospero.ai
LunarCrushcrypto, stockssocial sentiment and engagement metrics (Galaxy Score, AltRank); MCP server at lunarcrush.ai/mcp on paid plansIndividual $90/mo; Builder $300/mo; Scale $900/moVisit LunarCrush
IntellectiaUS stocks, ETFs, cryptoAI Stock Picker: a weekly list of 10 long-only stocks (Mondays 8am ET) plus AI screeners, technical signals and an AI agent; the site says picks are not buy recommendationsFree (400 credits); Basic $11.96/mo annual; Pro $23.96; Max $39.96; Expert $71.96Visit Intellectia

Crypto

ToolMarketsWhat the AI doesPricingVisit
KavoutUS stocks, ETFs, cryptoInvestGPT research agent plus Kai Score (1-9 AI ranking from fundamental, technical and alternative data); credit-basedFree (10 credits/mo); Pro $16/mo annual (1,000 credits); Premium $39/mo annual (3,000 credits)Visit Kavout
Santimentcryptoon-chain, social and development metrics for crypto; official MCP connector for AI agents; Sanbase Pro insightsSanbase Free; Pro $49/mo or $529/yrVisit Santiment
LunarCrushcrypto, stockssocial sentiment and engagement metrics (Galaxy Score, AltRank); MCP server at lunarcrush.ai/mcp on paid plansIndividual $90/mo; Builder $300/mo; Scale $900/moVisit LunarCrush
KaitocryptoAI search and sentiment over crypto social, news and research (Kaito Pro, API); the Yaps leaderboard was sunset in Jan 2026, the research product continuesKaito Pro from $833/mo billed annually; enterprise by contactVisit Kaito
IntellectiaUS stocks, ETFs, cryptoAI Stock Picker: a weekly list of 10 long-only stocks (Mondays 8am ET) plus AI screeners, technical signals and an AI agent; the site says picks are not buy recommendationsFree (400 credits); Basic $11.96/mo annual; Pro $23.96; Max $39.96; Expert $71.96Visit Intellectia
Nansencrypto (on-chain)on-chain wallet labels and smart-money flows; official Nansen MCP server for AI agents, billed per API creditPro $49/mo annual ($69 monthly) incl. 2,000 API/MCP credits; extra credits $10 per 10,000Visit Nansen

FAQ

Do AI stock picking tools work?

Some scores have shown statistical edges in vendors' own backtests, but there is no independent guarantee and results vary by period. Use them to narrow research, not to replace it.

Which AI signal tools are free?

Prospero.ai's app and signals are free; Danelfin, Kavout, Intellectia and Santiment have free tiers with limits.

Which signal tools work with AI agents?

Santiment, LunarCrush and Nansen offer official MCP servers; Danelfin Elite includes API access. TrendSpider and Tickeron are listed under AI trading bots because they can also automate trades.

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