VectorOn is a high-performance vector search extension that integrates directly into PostgreSQL. With support for multiple indexing algorithms (HNSW, Vamana, IVF, Flat) and flexible quantization, it allows you to store and retrieve vectors using familiar SQL workflows while balancing speed, memory, and accuracy to meet your requirements.
Welcome to VectorOn, a high-performance vector search extension that seamlessly integrates directly with your PostgreSQL database. Simply load the vectors extension to begin storing and searching vector data using your familiar SQL workflows.
VectorOn offers the flexibility to choose from multiple indexing algorithms - including HNSW, Vamana, IVF, and Flat - enabling you to select the ideal option for your specific speed, memory, and accuracy requirements. It also features Scalar and Product Quantization to effectively reduce memory consumption while maintaining acceptable accuracy.
For robust administration, VectorOn provides GUC parameters for performance tuning, index status monitoring, and simplified online upgrades. With client-language support and examples in SQL and Python, it ensures easy integration into a variety of environments.
Highlights
Seamless SQL-native experience directly integrates into your existing PostgreSQL database. Simply load the extension and manage vectors using the familiar SQL commands and workflows you already know, eliminating the need for a separate database or new query language.
Flexible performance tuning tailor performance to your exact needs. Choose from multiple advanced indexing algorithms like HNSW and Vamana and apply Scalar or Product Quantization to achieve the perfect balance between search speed, memory usage, and accuracy for your specific application.
Robust management & easy integration simplify database operations with powerful administrative tools for performance tuning, index monitoring, and seamless online upgrades. With client support for languages like SQL and Python, integration into your existing environment is straightforward.
AWS Marketplace now accepts line of credit payments through the PNC Vendor Finance program. This program is available to select AWS customers in the US, excluding NV, NC, ND, TN, & VT.
Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
If you are an AWS Free Tier customer with a free plan, you are eligible to subscribe to this offer. You can use free credits to cover the cost of eligible AWS infrastructure. See AWS Free Tier for more details. If you created an AWS account before July 15th, 2025, and qualify for the Legacy AWS Free Tier, Amazon EC2 charges for Micro instances are free for up to 750 hours per month. See Legacy AWS Free Tier for more details.
You pay by the hour based on the EC2 instance size you run. Two options are available: t3.medium and t3.micro. Both bill per hour of usage, with no upfront commitment. The t3.medium runs on more compute capacity than the t3.micro, so you choose the size that matches your workload. Your cost scales with the number of hours each instance runs. This usage-based model lets you start, stop, and switch instance sizes as your needs change, paying only for the hours you actually use.
Top-of-mind questions for buyers
What compute resources do the t3.medium and t3.micro hourly rates map to?
Each rate maps to one running EC2 instance of that size. The t3.medium provides more vCPU and memory than the t3.micro. You pick the instance size that fits your workload, and the software meters each hour that instance runs.
Am I charged when my instance is stopped or paused?
Software charges apply per hour only while the instance runs. Fully stopped instances do not accrue software charges. Underlying AWS storage fees may still apply to stopped instances, but the software meters running time only.
What does this software do while running on these instances?
It runs an AI data platform that unifies graph, vector, and relational data for retrieval and search. It supports document parsing, embedding, and decision-support features. The software optimizes for SSD use over heavy GPU dependence, so smaller instance sizes can handle data processing tasks.
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An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
AWS Marketplace Integration (Core Feature)
This version officially supports integrated AWS Marketplace licensing. Vectoron now verifies licenses by directly checking AWS Marketplace subscription information via the EC2 Instance Metadata Service (IMDSv2).
License-Based Feature Activation
The high-performance indexing feature (CREATE INDEX) has been converted to a paid, licensed feature. Index creation is now enabled only on instances with a valid AWS Marketplace subscription.
Freemium Feature Support
Basic vector search functionality (e.g., SELECT ... <-> operators) is still supported via sequential scan, even without a license subscription. This allows users to test and evaluate the core features of the product.
Automated Configuration on Startup
The Vectoron PostgreSQL extension is now pre-configured and set to load automatically (shared_preload_libraries). This ensures that Vectoron is ready to use immediately after the instance starts, requiring no manual setup.
Additional details
Usage instructions
Thank you for choosing Vectoron! To get started:
Launch the EC2 instance from this AMI.
Connect to the instance via SSH using the 'ubuntu' user and your selected key pair.
Get Your Initial Database Password
Your default password for the 'postgres' user is your EC2 Instance ID. You can find this in the AWS EC2 Console (e.g., i-0123456789abcdef0).
Connect to PostgreSQL and Set a New Password
Connect using the 'postgres' user. You will be prompted for the password from Step 3.
psql -U postgres
Enter your Instance ID as the password.
(Required) You must immediately change the password:
postgres=# ALTER USER postgres WITH PASSWORD 'YOUR_NEW_STRONG_PASSWORD';
Activate and Verify Vectoron
You can now activate the extension in the database and verify its installation.
-- 1. Activate Vectoron
postgres=# CREATE EXTENSION IF NOT EXISTS vectoron;
-- 2. Verify installation (should show 'vectoron' in the list)
postgres=# \dx vectoron
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