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Mastra - About the company

Mastra is a series A company based in San Francisco (United States), founded in 2024 by Abhi Aiyer. It operates as a Developer of framework for building artificial intelligence applications and agents. Mastra has raised $35.5M in funding from Y Combinator and Spark Capital, with a current valuation of $*****. The company has 462 active competitors, including 34 funded and 9 that have exited. Its top competitors include companies like Hugging Face, Fetch.ai and Replicate.

Company Details

Developer of framework for building artificial intelligence applications and agents. It provides tools for agents, workflows, RAG, memory, and model control policies. The framework allows users to iterate and visualize agents and workflows. It offers an observability platform to productionize and test agent performance. The framework facilitates deployment and scaling, exposing agents as APIs or bundling them with applications.
Key Metrics
Founded Year
2024
Location
San Francisco, United States
Stage
Series A
Total Funding
$35.5M in 3 rounds
Latest Funding Round
Post Money Valuation
$***** as on Jan 01, 2025
Investors
Ranked
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Mastra's funding and investors

Mastra has raised a total funding of $35.5M over 3 rounds. Its first funding round was on 2025. Its latest funding round was a Series A round on Apr 09, 2026 for $*****. 1 investor participated in its latest round. Mastra has 7 institutional investors and 3 angel investors.

Here is the list of recent funding rounds of Mastra:
Date of Funding
Funding Amount
Round Name
Post-Money Valuation
Revenue Multiple
Lead Investors
Other Investors
Apr 09, 2026
3401931
Series A
7850947
1266348
4921793
8787225
Oct 08, 2025
3996677
Seed
9373101
7798758
7461032
2025
9800
Seed
2944
4683
6658
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Mastra's founders and board of directors

Founder? Claim Profile
The founders of Mastra is Abhi Aiyer.
Here are the details of Mastra's key team members:
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Mastra's Competitors and alternates

Top competitors of Mastra include Hugging Face, Fetch.ai and Replicate. Here is the list of Top 10 competitors of Mastra, ranked by Tracxn score:
Rank
Company Details
Short Description
Total Funding
Investors
Tracxn Score
1st
Logo for Hugging Face
Hugging Face
2016, Paris (France), Acquired
Platform offering collaborative tools for sharing and deploying machine learning models
$400M
80/100
2nd
Logo for Fetch.ai
Fetch.ai
2017, Cambridge (United Kingdom), Series C
Blockchain-based network for application and AI infrastructure
$61.9M
70/100
3rd
Logo for Replicate
Replicate
2018, Berkeley (United States), Acquired
Provider of a cloud-based open-source platform for machine learning models
$57.8M
70/100
4th
Logo for Stability AI
Stability AI
2019, Los Angeles (United States), Series B
Developer of generative AI models for image, video, audio, and 3D
$257M
69/100
5th
Logo for deepset
deepset
2018, Berlin (Germany), Series B
Developer of a platform for building custom artificial intelligence solutions
$45.6M
62/100
6th
Logo for Outerbounds
Outerbounds
2021, San Francisco (United States), Acquired
AI-based open-source machine learning platform
$24M
60/100
7th
Logo for Oumi
Oumi
2024, Seattle (United States), Seed
Open-source AI platform for model development and deployment
$10M
57/100
8th
Logo for Inferact
Inferact
2026, San Francisco (United States), Seed
Developer of open-source large language model inference engine and related infrastructure
$150M
55/100
9th
Logo for Qwen
Qwen
2023, Hangzhou (China), Unfunded
Platform providing a comprehensive range of multimodal perception solutions
-
-
52/100
10th
Logo for All Hands AI
All Hands AI
2024, Pittsburgh (United States), Seed
Open-source software development agent
$5M
51/100
16th
Logo for Mastra
Mastra
2024, San Francisco (United States), Series A
Developer of framework for building artificial intelligence applications and agents
$35.5M
46/100
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Mastra's Investments and acquisitions

Mastra has made no investments or acquisitions yet.

Reports related to Mastra

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FAQs about Mastra

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