# OpenCV

- **Canonical URI:** https://www.vioscale.ai/software/opencv
- **Category:** Computer Vision Apis
- **Homepage:** https://opencv.org/
- **Also known as:** opencv
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:17:37.912Z

## Vioscale score

**67.7 / 100**, confidence 24% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 0.052 | 5.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.084 | 0 | - |
| repo_stars | 93.5 | 0.026 | 2.4 | ✓ |
| integrations | 0 | 0.09355555555555557 | 0 | - |
| dependent_projects | 45.6 | 0.063 | 2.9 | ✓ |
| dev_activity | 63.1 | 0.094 | 5.9 | ✓ |
| release_cadence | 46.7 | 0.052 | 2.4 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 57 | 0.042 | 2.4 | ✓ |
| pricing_transparency | 80 | 0.084 | 6.7 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-18, [verify at source](https://opencv.org/). Independently observed._

Open source · Free tier

## About

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.

_Independently observed._

## Release history

| Version | Date | Type |
|---|---|---|
| [4.14.0](https://github.com/opencv/opencv/releases/tag/4.14.0) | 2026-07-19 | stable |
| [5.0.0](https://github.com/opencv/opencv/releases/tag/5.0.0) | 2026-06-06 | stable |
| [4.13.0](https://github.com/opencv/opencv/releases/tag/4.13.0) | 2025-12-31 | stable |
| [4.12.0](https://github.com/opencv/opencv/releases/tag/4.12.0) | 2025-07-02 | stable |
| [4.11.0](https://github.com/opencv/opencv/releases/tag/4.11.0) | 2025-01-09 | stable |
| [5.0.0-alpha](https://github.com/opencv/opencv/releases/tag/5.0.0-alpha) | 2024-12-05 | prerelease |
| [4.10.0](https://github.com/opencv/opencv/releases/tag/4.10.0) | 2024-06-03 | stable |
| [4.9.0](https://github.com/opencv/opencv/releases/tag/4.9.0) | 2023-12-28 | stable |
| [4.8.1](https://github.com/opencv/opencv/releases/tag/4.8.1) | 2023-09-27 | stable |
| [4.8.0](https://github.com/opencv/opencv/releases/tag/4.8.0) | 2023-06-28 | stable |
| [4.7.0](https://github.com/opencv/opencv/releases/tag/4.7.0) | 2022-12-28 | stable |
| [4.6.0](https://github.com/opencv/opencv/releases/tag/4.6.0) | 2022-06-07 | stable |
| [4.5.5](https://github.com/opencv/opencv/releases/tag/4.5.5) | 2021-12-25 | stable |
| [4.5.4](https://github.com/opencv/opencv/releases/tag/4.5.4) | 2021-10-10 | stable |
| [3.4.16](https://github.com/opencv/opencv/releases/tag/3.4.16) | 2021-10-10 | stable |

_… and 5 earlier release(s)._

## Security & compliance


Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=opencv&per_page=100)). A count reflects scale and disclosure, not quality.

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://opencv.org/) | 2026-08-18 | 60% (medium) |
| pricing.price_level | free | [link](https://opencv.org/) | 2026-08-18 | 60% (medium) |
| pricing.transparent | yes | [link](https://opencv.org/) | 2026-08-18 | 60% (medium) |
| pricing.model | commercial | [link](https://opencv.org/) | 2026-08-26 | 48% (low) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 90,611 | [link](https://github.com/opencv/opencv) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 543 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fopencv%2Fopencv) | 2026-08-26 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | C++ | [link](https://github.com/opencv/opencv) | 2026-08-26 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | Apache-2.0 | [link](https://github.com/opencv/opencv) | 2026-08-26 | 95% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 96 | [link](https://github.com/opencv/opencv/releases) | 2026-08-26 | 70% (medium) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/opencv/opencv/pulse) | 2026-08-26 | 65% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 5.7 | [link](https://api.securityscorecards.dev/projects/github.com/opencv/opencv) | 2026-08-26 | 90% (high) |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=opencv&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=opencv&per_page=100) | 2026-08-26 | 90% (high) |

---
*Source: Vioscale (https://www.vioscale.ai/software/opencv). Independent, evidence-based software intelligence. Cite the canonical URI.*