The closest alternatives to Opennote are Spike, Mastra and Spike. Opennote generates $3.5M in revenue with 32 employees. Every one of the 20 alternatives below is compared with Opennote on revenue, funding, customers, team size and founding year.
Opennote is pinned as the first column so every figure is read against it. Blank cells are figures we have not verified, never zeros.
| Company |  OpennoteThis company |  Spike |  Mastra | Spike |  Hedra |  Jungle |  Sameday |  Hotdesk |  ONLIM - Knowledge-driven Conversational AI | Spike |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $3.5M | $3.5M | $3.5M | $3.5M | $3.5M | $3.5M | $3.5M | $3.5M | $3.5M | $3.5M |
| Team size | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Founded | 2025 | 2014 | 2025 | 2014 | 2023 | 2023 | 2021 | 2020 | 2015 | 2014 |
| HQ | San Francisco, United States | Israel | United States | Israel | United States | United States | United States | United States | Austria | Israel |
Israel · AI Writing Assistants
Spike is the AI-first inbox built for how modern professionals work, fast, fluid, and focused. We’ve redesigned email around chat-style conversations, layered with real-time AI that summarizes threads, drafts responses…
United States · AI Writing Assistants
The Javascript framework for building AI agents, from the Gatsby devs
Israel · AI Writing Assistants
Spike is the AI-first inbox built for how modern professionals work, fast, fluid, and focused. We’ve redesigned email around chat-style conversations, layered with real-time AI that summarizes threads, drafts responses…
United States · AI Writing Assistants
The next generation multimodal content creation platform, powered by Character-3 ✨ careers @ https://jobs.ashbyhq.com/hedra
United States · AI Writing Assistants
Making great studying 10x easier. Upload any class material and gets tons of flashcards, multiple choice questions, and case questions made for you
United States · AI Writing Assistants
Sameday enables home service businesses to be available by phone 24/7 with our AI powered Virtual Sales Agents. Unlike anything you have heard before, Sameday’s AI sounds like a person and can answer questions, build…
United States · AI Writing Assistants
Instant access to workspaces anywhere at your fingertips. The world’s first mobile productivity app to find ready-to-use workspaces. Unlock your productivity and #GetThingsDone.
Austria · AI Writing Assistants
Onlim specialises in automated customer communication via chatbots and voice assistants. We offer a Conversational AI platform and have established ourselves as a major player for customized chatbots and voice…
ONLIM - Knowledge-driven Conversational AI revenue & fundingOpennote vs ONLIM - Knowledge-driven Conversational AI
Israel · AI Writing Assistants
Spike is the AI-first inbox built for how modern professionals work, fast, fluid, and focused. We’ve redesigned email around chat-style conversations, layered with real-time AI that summarizes threads, drafts responses…
United States · AI Writing Assistants
Stop Wasting Time Finding Sales Talent, Focus on Building Your Startup with AI-Sales Agents We've been there, and we know the struggle. You're a startup founder, strapped for cash, and building a world-class sales team…
United States · AI Writing Assistants
Advanced cloud based transcription service powered by artificial intelligence
United States · AI Writing Assistants
Advanced cloud based transcription service powered by artificial intelligence
Italy · AI Writing Assistants
On a mission to revolutionise language learning through AI
United States · AI Writing Assistants
Free your team from repetitive tasks to focus on creating value. Kolena AI agents handle the busywork behind the scenes, so you can scale faster, cut costs, and deliver better results. Quickly create a powerful AI agent…
Italy · AI Writing Assistants
On a mission to revolutionise language learning through AI
United States · AI Writing Assistants
Free your team from repetitive tasks to focus on creating value. Kolena AI agents handle the busywork behind the scenes, so you can scale faster, cut costs, and deliver better results. Quickly create a powerful AI agent…
United States · AI Writing Assistants
Rep AI is the ultimate AI sales and support concierge, designed to help eCommerce brands connect with customers when it matters most. By engaging shoppers with smart, human-like interactions when it's needed, Rep AI…
Finland · AI Writing Assistants
Provider of brand-reputation management and advertising services designed to transform the way brands deal with social engagement. The company's services offer to protect brand reputation on social media, by removing…
United States · AI Writing Assistants
Developer of a voice interface platform designed for industrial environment. The company's platform allows the most natural form of communication to converse within the factory, allowing clients to connect and interact…
Opennote ranks #303 of 3,655 AI Writing Assistants companies by annual revenue, putting it in the top 8% of the market.
The closest alternatives to Opennote are Spike, Mastra and Spike, all active in AI Writing Assistants. This page compares each of them with Opennote on revenue, funding, customers and team size.
Spike is the closest alternative to Opennote, generating $3.5M in revenue. Which alternative fits best depends on budget and company size, so compare all 20 alternatives above before choosing.
Opennote generates $3.5M in revenue.
Opennote and Spike both generate $3.5M in revenue.
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