OpenCV
Cross-platform library for building computer vision applications
- Vendor
- Open Source Vision Foundation
- Also known as
- opencv
What is OpenCV?
An open-source computer vision library providing algorithms and tools for building image and video processing applications across multiple programming languages and platforms.
OpenCV pricing
We don't have OpenCV's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What OpenCV does
The capabilities that matter for computer vision apis, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Custom model training
- -
- Face recognition
- -
- OCR text extraction
- -
- Content moderation
- -
- Video support
- -
- Edge on device support
- -
- Open source
- ✓
- Commercial license required for saas
- ✗
- SOC2
- -
Platform & deployment
Independently observed- iOS
- macOS
- Linux
- Android
- Windows
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
OpenCV FAQ
Common questions about OpenCV, answered from independent, dated evidence.
What is OpenCV?
A free, community-maintained toolkit providing algorithms, data structures, and functions for developing computer vision systems, including image analysis, object detection, and machine learning tasks. It is indexed under Computer Vision Apis.
Source: https://opencv.org/
Is OpenCV free to use?
OpenCV is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.
Source: https://opencv.org/
Is OpenCV open source?
Yes. OpenCV is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Source: https://github.com/opencv/opencv
OpenCV alternatives
Other computer vision apis we track, ranked by the same independent score.
- Amazon Rekognitionlow · 43%
- SightengineReal-time detection and filtering of problematic images, videos, and text contentlow · 43%
- RoboflowEnd-to-end platform for building, training, and deploying computer vision AI modelsmedium · 55%
- Google MediaPipelow · 25%
- ImaggaCloud-based APIs for automated image and video analysis with tagging, moderation, and recognition capabilitieslow · 11%
- Tesseract OCRAn open-source engine for recognizing and extracting text from imageslow · 34%
Compare OpenCV
Side by side against other computer vision apis, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for OpenCV, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Development activity | 63 | 0.14 | 8.5 | ✓ |
| Stars | 94 | 0.05 | 4.4 | ✓ |
| Release cadence | 47 | 0.08 | 3.8 | ✓ |
| Security score | 57 | 0.05 | 3.1 | ✓ |
| Dependent projects | 46 | 0.05 | 2.5 | ✓ |
| Capabilities | 29 | 0.08 | 2.3 | ✓ |
| Integrations | 0 | 0.05 | 0.0 | - |
| Security posture | 0 | 0.12 | 0.0 | - |
| Package downloads | 0 | 0.04 | 0.0 | - |
| Developer Q&A activity | 0 | 0.14 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-10-14 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 3 items | mediumsource · 2026-09-10 · 72% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Open source | mediumsource · 2026-10-14 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | C++ | highsource · 2026-10-14 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-10-14 · 95% |
Pricing
Release
Security
Is OpenCV the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank OpenCV against the rest of the computer vision apis we index, using the same dated evidence weighted your way.
Free to run, no account needed to start. How the evaluation works
Is this your product?
This profile was built from public sources without asking you. You can take the badge below and use it anywhere, and you can claim the profile to correct anything we got wrong. Both are free, and neither moves OpenCV up or down: nobody can buy rank here, including you.
Take the badge
Live, always current, and free to use on your own site. It shows OpenCV's independent score and links back to this profile.
<a href="https://www.vioscale.ai/software/opencv" target="_blank" rel="noopener">
<img src="https://www.vioscale.ai/badge/software/opencv.svg" alt="OpenCV, verified on vioscaleAI" width="330" height="76" loading="lazy" />
</a>Markdown, for a README →
[](https://www.vioscale.ai/software/opencv)Claim the profile
Verify you control the domain, then point us at the pages that state the facts about OpenCV and add your own description and media. Free, and it does not change the score.
- Correct anything wrong, with evidence
- Point our crawler at the pages that matter
- Write your own description and add media
Not the owner? How vendor profiles work