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Alternatives

10 best Asimov alternatives

Tools that cover the same task as Asimov (research), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.

Asimov starts at
Not listed
Free plan
Free tier unknown
API
API unknown
  1. 01

    Arsturn AI

    Arsturn is a no-code platform to build custom ChatGPT-style chatbots trained on your files, URLs, and brand data, then embed them on websites and social channels. It targets support, lead capture, and audience engagement with analytics and branded widget customization.

    • From $1.99/mo
    • Free plan
    • API unknown

    Best for: Influencers, small businesses, and brand owners who need a trained site chatbot without coding.

  2. 02

    Have I been pwned?

    Have I Been Pwned aggregates breached credentials and stealer-log data so individuals and organizations can search emails, monitor domains, and query APIs. Paid subscriptions add programmatic search rates, domain monitoring, and stealer-log access beyond the public site tools.

    • From $4.39/mo
    • Free plan
    • API available

    Best for: Security teams, MSPs, and developers who need breach intelligence for emails, domains, and automated monitoring.

  3. 03

    Market Data API

    Market Data provides a REST API, SDKs, and Google Sheets add-on for real-time and historical market data on stocks, options, ETFs, mutual funds, and related instruments. The product targets traders and developers who want spreadsheet formulas or programmatic access without building data pipelines from scratch.

    • From $12/mo
    • Free plan
    • API available

    Best for: Individual traders, students, and developers who need affordable market data in spreadsheets or via API.

  4. 04

    Mireye

    public and parcel datasets.

    • From $19/mo
    • Free plan
    • API available

    Best for: Teams building location-aware agents in insurance, construction, energy, defense, or underwriting that need cited geospatial answers.

  5. 05

    I IMAGINE

    IIMAGINE helps decision-makers test LLMs on their own work, route tasks to the best model, and ground advice in a SCOPED context framework. Agents and connections ingest business data so recommendations reflect objectives, constraints, and deadlines.

    • From $19/mo
    • Free plan
    • API available

    Best for: Operators and founders who need context-rich AI advice with transparent model benchmarking.

  6. 06

    Harbor

    Harbor is an intelligent eClinical EDC platform for clinical trials.

    • From $2,000/mo
    • Free plan
    • API unknown

    Best for: Clinical research teams, universities, and sponsors that need faster EDC builds, automated capture, and AI-assisted monitoring.

  7. 07

    Quilt Data

    Quilt is an AWS-native data management platform for life sciences that packages, governs, and searches research datasets. Teams install Quilt in their VPC via AWS Marketplace to accelerate discovery while keeping compliance controls.

    • From $3,750/mo
    • Free tier unknown
    • API unknown

    Best for: Biotech and pharma data platform teams that need governed S3-backed catalogs inside their AWS accounts.

  8. 08

    IPinfo

    IPinfo delivers IP data intelligence for developers and enterprises, packaging geolocation, ASN, privacy, carrier, and company datasets into tiered API products. The homepage demonstrates rich JSON responses and positions Lite, Core, Max, and Enterprise offerings for different accuracy needs.

    • From $26/mo
    • Free plan
    • API available

    Best for: Teams that need graduated IP datasets from basic country lookups to venue-level Max intelligence.

  9. 09

    WebScraping AI

    Developers send a URL and receive HTML, text, or structured JSON without operating their own scraping stack.

    • From $29/mo
    • Free plan
    • API unknown

    Best for: Developers and data teams that need reliable extraction from dynamic sites with optional AI structuring.

  10. 10

    Fixie.ai

    Ultravox (Fixie.ai) provides speech-native voice AI with developer APIs for real-time conversational agents, running a proprietary speech model on dedicated infrastructure instead of traditional speech-to-text pipelines.

    • From $100/mo
    • Free plan
    • API available

    Best for: Teams shipping production voice agents that need low-latency, speech-to-speech quality with scalable concurrency.

Asimov alternatives: common questions

What is the best free alternative to Asimov?

Arsturn AI has an ongoing free plan. Free plan with 50 credits per month and one chatbot Free plans change, so check the vendor before relying on one.

What is the cheapest Asimov alternative?

Arsturn AI has the lowest listed starting price at $1.99/mo.

Which Asimov alternatives have an API?

Have I been pwned?, Market Data API, Mireye, I IMAGINE, IPinfo mention API or developer access.