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Cortex Engines

Freemium

Single-model AI outputs look confident right up until a pitch deck due diligence call where three analysts find three different answers from the same prompt — Cortex Engines exists to surface that disagreement before it costs you the decision.

$7.99/month · Free tier: Limited Snapshot orientation — 5 uses per day, no account needed · Checked Oct 22, 2026

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Summary

Cortex runs your query across multiple AI models simultaneously, flags where they contradict each other, scores confidence by source quality, and produces a structured report with full provenance — not a single authoritative answer but a map of what the evidence actually supports. The free tier covers Standard Analysis in roughly 10–15 seconds: multi-model comparison with contradiction detection, which is enough for everyday research verification. Deep Intelligence, the mode built for high-stakes calls, is a paid-only feature — it adds structured decision-intelligence reports and takes 1–3 minutes. There is no API, no self-hosted option, and no agent loop; Cortex is one-shot analysis, not an autonomous research pipeline. Teams needing programmatic access or integration into existing workflows hit that wall immediately.

Bottom line: Use Cortex when you need to pressure-test a single AI's answer before a board meeting or investment decision — but plan around it entirely if your team needs API access, automated pipelines, or anything beyond on-demand manual queries.

Pricing Plans

Usage-BasedLast verified 2 weeks ago
Price
$7.99/month
Free Tier
Limited Snapshot orientation — 5 uses per day, no account needed

Limited Orientation Allowance

Free

Snapshot first. Credits for verified analysis. Snapshot is bounded to 5 uses per day.

  • Limited Snapshot orientation u2014 no account needed
  • Compact orientation without Canonical Trust
  • Shareable report links

STARTER

$25per month

5 credits. $5.00 per credit

  • Cortex Analysis Credits for any paid analysis
  • Standard ASK u00b7 Deep ASK u00b7 CHECK
  • Standard ASK 1 credit u00b7 Deep ASK 3 credits
  • CHECK 1u20132 credits based on document workload
  • Shared Cortex Analysis Credit balance
  • Credits never expire

PROFESSIONAL

$69per month

15 credits. $4.60 per credit. For researchers, analysts, and professionals.

  • Standard ASK u00b7 Deep ASK u00b7 CHECK
  • Standard ASK 1 credit u00b7 Deep ASK 3 credits
  • CHECK 1u20132 credits based on document workload
  • Shared Cortex Analysis Credit balance
  • Credits never expire

PROFESSIONAL PLUS

$199per month

50 credits. $3.98 per credit. For frequent, high-volume research and verification.

  • Standard ASK u00b7 Deep ASK u00b7 CHECK
  • Standard ASK 1 credit u00b7 Deep ASK 3 credits
  • CHECK 1u20132 credits based on document workload
  • Shared Cortex Analysis Credit balance
  • Credits never expire

ENTERPRISE

Custom

For institutions and professionals. Contact Cortex for institutional requirements, volume needs, and supported procurement.

  • Custom pricing
  • Institutional requirements support
  • Volume pricing available

View full pricing on cortexengines.com →

Pricing may have changed since last verified. Check the official site for current plans.

Find your fit

Before you choose Cortex Engines

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Pros

  • Multi-model contradiction detection surfaces where AI sources disagree and rates disagreement severity, so you catch the conflicting signals a single-model query would have buried before the decision is made.
  • Confidence scoring aggregates reliability signals across models and sources, which means you get a map of what the evidence actually supports rather than a single answer you have no way to pressure-test.
  • Standard Analysis — multi-model comparison with contradiction detection — is available on the free tier, so teams can verify everyday research without a budget commitment before deciding whether Deep Intelligence is worth the upgrade.
  • Full provenance tracking on every claim, so when an output is challenged you can trace exactly which source or model produced which assertion rather than defending a black-box answer.
  • No signup required to try the tool, which means an analyst can run a verification query during a live meeting without an account or IT involvement.

Cons

  • There is no API. Any team that wants to trigger verification automatically — on document upload, as part of a research pipeline, or from another application — cannot do it. The tool is manual-only, and that is not a configuration gap; the capability does not exist.
  • Deep Intelligence reports, PDF export, monitoring, and saved reports are all paid-only features. Teams that need audit trails or repeatable saved analyses on a free budget are capped at Standard Analysis with no export.
  • Self-hosting is not available, so organizations with data residency requirements or policies against sending sensitive documents to third-party infrastructure cannot use Cortex for the due diligence and compliance use cases the vendor explicitly targets — those teams evaluate on-premise alternatives instead.
  • The tool performs one-shot analysis with no agent loop, meaning it cannot autonomously follow up on a claim, pull a new source based on what it found, or iterate. Teams whose research workflows require multi-step autonomous investigation move to platforms that support tool-using agents.

About

API Available
No
Self-Hosted
No
Last Updated
July 15, 2026

Best For

Who it's for

  • Analysts and research teams
  • Founders and investors
  • High-stakes decision making
  • Verifying single-AI outputs

What it does well

  • Investment research and risk evaluation
  • Due diligence on pitch decks and reports
  • Strategic planning and market analysis
  • AI answer verification across models
  • Competitive intelligence and compliance review

Frequently Asked Questions

Is Cortex Engines free?
Cortex Engines offers a free option alongside paid upgrades. Pricing: $7.99/month. Check the current allowances and terms before choosing a plan.

Cortex Engines accepts a question, claim set, or document and runs it through a five-stage pipeline the vendor describes as Extract, Compare, Detect, Score, and Synthesize. Claims are pulled from your input, multiple AI models and live sources are queried independently, contradictions between those sources are identified, confidence is scored across models, and the output is a report that states what the evidence supports, where disagreement exists, and whether you are ready to act. Three analysis modes exist: Quick Answer uses a single model for fast responses and is free; Standard Analysis adds multi-model comparison and contradiction detection and is also free; Deep Intelligence adds structured decision-intelligence reports, monitoring, PDF export, and saved reports and is a paid-only feature.

The differentiating capability is contradiction detection. Where a single AI returns one confident answer, Cortex surfaces every point of disagreement between models — severity-rated and explained — alongside a confidence verdict that aggregates reliability signals across sources. The vendor frames this explicitly as verification infrastructure rather than generation: the comparison is positioned against ChatGPT-style single-output tools, not other research platforms.

Cortex fits analysts, founders, and investors who want a second opinion on AI-generated research before acting on it — due diligence on pitch decks, market size sanity checks, regulatory claim verification. It breaks for teams that need programmatic access: there is no API, so the tool cannot be embedded in a data pipeline, triggered by an event, or called from another application. There is also no self-hosted option, meaning data sent for analysis travels to Cortex’s infrastructure — a constraint for teams with strict data residency requirements. Teams that need either capability do not find a workaround here; they switch to a platform that exposes an API.

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