{"slug": "vmaf", "name": "VMAF", "category": "media", "category_name": "Media and creative", "description": "", "recommenders": 3, "commenters": 3, "warners": 0, "score": 2.92, "rising": 1.67, "first": "2026-06-04", "latest": "2026-10-18", "why": "VMAF is super cool, although not the end-all-be-all of video quality measurement for sure.", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 4, "neutral": 0, "compare": 0, "warn": 0}, "spark": [0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 2], "listed": true, "loved": [], "caveat": "", "short_quote": "VMAF is super cool, although not the end-all-be-all of video quality measurement for sure.", "kind": "", "icon": true, "domain": null, "github_repo": "github.com/netflix/vmwaf", "official_url": "https://github.com/Netflix/vmaf", "pricing": "", "aliases": ["VMAF"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 802340240, "item_id": 50146265, "url": "https://news.ycombinator.com/item?id=50146265", "by": "anematode", "date": "2026-10-18", "stance": "recommend", "quote": "VMAF is super cool, although not the end-all-be-all of video quality measurement for sure.", "excerpt": "VMAF is super cool, although not the end-all-be-all of video quality measurement for sure. I'm currently evaluating switching over to the new v1.0 models. The (unsolicited) slop PRs on that repository are a sight to behold, though. The same slopper posted an aggressive response to my PR: https://github.com/Netflix/vmaf/pull/1586", "context": "", "use_case": "video quality measurement", "switched_from": "", "story": "Netflix vmaf: Perceptual video quality assessment based on multi-method fusion"}, {"id": 800800080, "item_id": 50050005, "url": "https://news.ycombinator.com/item?id=50050005", "by": "Grimeton", "date": "2026-10-12", "stance": "recommend", "quote": "Besides VMAF Netflix also released an image comparing framework back in 2020. Might be worth a look", "excerpt": "Besides VMAF Netflix also released an image comparing framework back in 2020. Might be worth a look: https://netflixtechblog.com/avif-for-next-generation-image-coding-b1d75675fe4", "context": "", "use_case": "video quality metric", "switched_from": "", "story": "I guess I'm using WebP now?"}, {"id": 784961841, "item_id": 49060115, "url": "https://news.ycombinator.com/item?id=49060115", "by": "westurner", "date": "2026-07-26", "stance": "recommend", "quote": "Objective metrics and tools for video encoding and source signal quality: netflix/vmaf, easyVmaf, psy-ex/metrics, ffmpeg-quality-metrics,", "excerpt": "From https://news.ycombinator.com/item?id=48404405 re: ffmpeg-webCLI https://github.com/tejaswigowda/ffmpeg-webCLI which is an ffmpeg PWA ; > Objective metrics and tools for video encoding and source signal quality: netflix/vmaf, easyVmaf, psy-ex/metrics, ffmpeg-quality-metrics, > [...] two UI wells A and B. In the \"basic encoding\" workflow, show in (A) the input video and audio waveform and metrics, and in (B) the o", "context": "", "use_case": "video quality metrics", "switched_from": "", "story": "Show HN: A browser-based video editor that renders videos directly with FFmpeg"}, {"id": 774470480, "item_id": 48404405, "url": "https://news.ycombinator.com/item?id=48404405", "by": "westurner", "date": "2026-06-04", "stance": "recommend", "quote": "Objective metrics and tools for video encoding and source signal quality: netflix/vmaf, easyVmaf, psy-ex/metrics, ffmpeg-quality-metrics,", "excerpt": "From https://news.ycombinator.com/item?id=44717303 : > Objective metrics and tools for video encoding and source signal quality: netflix/vmaf, easyVmaf, psy-ex/metrics, ffmpeg-quality-metrics, netflix/vmaf: https://GitHub.com/netflix/vmwaf gdavila/easyVmaf: https://github.com/gdavila/easyVmaf psy-ex/metrics: https://github.com/psy-ex/metrics/ slhck/ffmpeg-quality-metrics: Calculate quality metrics with FFmpeg (SSIM, ", "context": "", "use_case": "video quality metrics", "switched_from": "", "story": "Show HN: FFmpeg WebCLI \u2013 Full FFmpeg in Browser, Offline PWA, No Uploads(WASM)"}]}], "caveats": [], "who": [], "tags": [], "use_cases": ["video quality metrics", "video quality measurement", "video quality metric"], "compared": [], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=50145295", "title": "Netflix vmaf: Perceptual video quality assessment based on multi-method fusion", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=50021989", "title": "I guess I'm using WebP now?", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49058396", "title": "Show HN: A browser-based video editor that renders videos directly with FFmpeg", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48404224", "title": "Show HN: FFmpeg WebCLI \u2013 Full FFmpeg in Browser, Offline PWA, No Uploads(WASM)", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {}, "2026-02": {}, "2026-03": {}, "2026-04": {}, "2026-05": {}, "2026-06": {"recommend": 1}, "2026-07": {"recommend": 1}, "2026-08": {}, "2026-09": {}, "2026-10": {"recommend": 2}}, "quotes": [{"id": 802340240, "item_id": 50146265, "url": "https://news.ycombinator.com/item?id=50146265", "by": "anematode", "date": "2026-10-18", "stance": "recommend", "quote": "VMAF is super cool, although not the end-all-be-all of video quality measurement for sure.", "excerpt": "VMAF is super cool, although not the end-all-be-all of video quality measurement for sure. I'm currently evaluating switching over to the new v1.0 models. The (unsolicited) slop PRs on that repository are a sight to behold, though. The same slopper posted an aggressive response to my PR: https://github.com/Netflix/vmaf/pull/1586", "context": "", "use_case": "video quality measurement", "switched_from": "", "story": "Netflix vmaf: Perceptual video quality assessment based on multi-method fusion"}, {"id": 800800080, "item_id": 50050005, "url": "https://news.ycombinator.com/item?id=50050005", "by": "Grimeton", "date": "2026-10-12", "stance": "recommend", "quote": "Besides VMAF Netflix also released an image comparing framework back in 2020. Might be worth a look", "excerpt": "Besides VMAF Netflix also released an image comparing framework back in 2020. Might be worth a look: https://netflixtechblog.com/avif-for-next-generation-image-coding-b1d75675fe4", "context": "", "use_case": "video quality metric", "switched_from": "", "story": "I guess I'm using WebP now?"}, {"id": 784961841, "item_id": 49060115, "url": "https://news.ycombinator.com/item?id=49060115", "by": "westurner", "date": "2026-07-26", "stance": "recommend", "quote": "Objective metrics and tools for video encoding and source signal quality: netflix/vmaf, easyVmaf, psy-ex/metrics, ffmpeg-quality-metrics,", "excerpt": "From https://news.ycombinator.com/item?id=48404405 re: ffmpeg-webCLI https://github.com/tejaswigowda/ffmpeg-webCLI which is an ffmpeg PWA ; > Objective metrics and tools for video encoding and source signal quality: netflix/vmaf, easyVmaf, psy-ex/metrics, ffmpeg-quality-metrics, > [...] two UI wells A and B. In the \"basic encoding\" workflow, show in (A) the input video and audio waveform and metrics, and in (B) the o", "context": "", "use_case": "video quality metrics", "switched_from": "", "story": "Show HN: A browser-based video editor that renders videos directly with FFmpeg"}, {"id": 774470480, "item_id": 48404405, "url": "https://news.ycombinator.com/item?id=48404405", "by": "westurner", "date": "2026-06-04", "stance": "recommend", "quote": "Objective metrics and tools for video encoding and source signal quality: netflix/vmaf, easyVmaf, psy-ex/metrics, ffmpeg-quality-metrics,", "excerpt": "From https://news.ycombinator.com/item?id=44717303 : > Objective metrics and tools for video encoding and source signal quality: netflix/vmaf, easyVmaf, psy-ex/metrics, ffmpeg-quality-metrics, netflix/vmaf: https://GitHub.com/netflix/vmwaf gdavila/easyVmaf: https://github.com/gdavila/easyVmaf psy-ex/metrics: https://github.com/psy-ex/metrics/ slhck/ffmpeg-quality-metrics: Calculate quality metrics with FFmpeg (SSIM, ", "context": "", "use_case": "video quality metrics", "switched_from": "", "story": "Show HN: FFmpeg WebCLI \u2013 Full FFmpeg in Browser, Offline PWA, No Uploads(WASM)"}]}