All these tools Thought Machine , Arthur AI , Doximity GPT , Smartly offer flexible pricing models suitable for Founders, Recruiters, Job Seekers, Solopreneurs, and GTM Teams seeking AI-powered solutions to enhance their LinkedIn DMs efforts.
Thought Machine
Arthur AI
- Premium - Custom
Doximity GPT
- Free - $0
Smartly
These AI tools are among the best LinkedIn DMs tools available in 2026. For Founders, Recruiters, Job Seekers, Solopreneurs, and GTM Teams, tools like Thought Machine , Arthur AI , Doximity GPT , Smartly help streamline the LinkedIn DMs process by offering AI-powered features.
What is Thought Machine?
Thought Machine, founded in 2014 by Paul Taylor in London, UK, is a trailblazing fintech company revolutionizing banking with its Vault Core cloud-native banking platform. Its flagship products, Vault Core and Vault Payments, empower banks to modernize legacy systems, delivering unparalleled flexibility through a microservices-based, cloud-agnostic architecture. Trusted by global giants like JPMorgan Chase, Lloyds Banking Group, and Intesa Sanpaolo, Thought Machine serves over 30 countries, processing millions of transactions with a $2.7 billion valuation and $500 million in funding. Its scalable core banking solutions enable rapid product launches, cutting costs by up to 50% and reducing time-to-market from months to days.
What is Arthur AI?
Arthur AI is an MLOps platform that streamlines the deployment, monitoring, and management of conventional and generative AI models. Adam Wenchel is the CEO of Arthur AI.
What is Doximity GPT?
Doximity GPT is a free, HIPAA-compliant AI-powered assistant integrated into the Doximity platform, designed for U.S. clinicians and medical students. It streamlines workflows by automating tasks like generating chart notes, drafting referral or appeal letters, answering clinical questions, and creating patient education materials. Powered by advanced AI models, it offers specialty-specific prompts, multilingual translation, and secure integration with EHR systems, ensuring efficient, accurate, and private task management.
What is Smartly?
Smartly, founded in 2013 by Kristo Ovaska and Tuomo Riekko in Helsinki, Finland, is a cutting-edge AI-powered advertising platform for performance that unifies creative, media, and analytics to streamline digital advertising. Managing over $5 billion in ad spend for 700+ brands like Nike and Uber, Smartly leverages generative AI to produce 1 billion creative variants daily, enhancing campaigns across Meta, TikTok, Google, and more. Its cross-channel ad automation for brands delivers 3.3x faster campaign setup and up to 5.5x return on ad spend, making it a top choice for enterprise-level marketing.
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Accuracy and Reliability:
4.7
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Cost-Efficiency:
4.5
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Customization and Flexibility:
4.8
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Data Privacy and Security:
4.7
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Ease of Use:
4.9
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Functionality and Features:
4.6
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Integration Capabilities:
4.5
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Performance and Speed:
4.4
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Support and Resources:
4.8
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Accuracy and Reliability:
4.9
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Cost-Efficiency:
4.9
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Customization and Flexibility:
4.9
-
Ease of Use:
4.8
-
Functionality and Features:
4.7
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Integration Capabilities:
4.7
-
Performance and Speed:
4.6
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Support and Resources:
4.8
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Accuracy and Reliability:
4.5
-
Cost-Efficiency:
4.5
-
Customization and Flexibility:
4.5
-
Data Privacy and Security:
4.5
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Ease of Use:
4
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Functionality and Features:
4.5
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Integration Capabilities:
4
-
Performance and Speed:
5
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Support and Resources:
4.5
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Accuracy and Reliability:
4.6
-
Cost-Efficiency:
4.5
-
Customization and Flexibility:
4.8
-
Data Privacy and Security:
4.7
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Ease of Use:
4.6
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Functionality and Features:
4.4
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Integration Capabilities:
4.2
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Performance and Speed:
4.3
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Support and Resources:
4.8
Thought Machine
Launches products in days.
98% uptime with real-time processing.
Highly configurable smart contracts.
Seamless AWS and Azure integrations.
Supports 200+ preconfigured products.
Requires technical expertise.
High costs for smaller banks.
Minor migration issues.
Peak-time support delays.
Doximity GPT
Free access for U.S. clinicians and students.
Fast
accurate automation saves time.
Secure with HIPAA-compliant encryption.
Seamless EHR and telehealth integration.
Multilingual patient material creation.
Restricted to U.S. healthcare professionals.
Minor inaccuracies in complex AI outputs.
Limited customization for outputs.
Manual effort is needed for EHR integration.
Smartly
3.3x faster campaign setup.
5.5x ROAS with predictive AI.
Seamless Meta and TikTok integrations.
1 billion daily creative variants.
28% lower CPA with analytics.
Steep learning curve for beginners.
Slow chat support response.
1 billion daily creative variants.
28% lower CPA with analytics.
If you're looking for other LinkedIn DMs tools for Founders, Recruiters, Job Seekers, Solopreneurs, and GTM Teams, you can also explore Narrow, which are highly rated in 2025.
- Thought Machine
- London, UK
- Arthur
- New York, USA
- Doximity
- United States
- Smartly
- Helsinki, Finland