{
  "name": "AIToolStack",
  "category": "video",
  "title": "Video",
  "url": "https://aitoolstack.vercel.app/categories/video",
  "methodology": "https://aitoolstack.vercel.app/about",
  "formula": {
    "evidence": "Sum of weight × normalized value for metrics that have a sourced value, divided by the sum of those weights.",
    "coverage": "Sum of weights for sourced metrics, divided by the sum of all weights in the category.",
    "composite": "evidence × coverage. A missing metric is not treated as zero inside the evidence average. It lowers coverage instead.",
    "rank": "Tools at or above 50% coverage are ranked by composite, then evidence, then slug A to Z. A tool under 50% coverage is labeled insufficient data, has no numeric rank, and is not eligible for the top 3.",
    "blanks": "If a metric cannot be verified, it is omitted and shown as not available.",
    "coding": "Coding compares products. It does not use Text Arena Elo, the Artificial Analysis Intelligence Index, or a lab model's SWE-bench row. The only benchmark in Coding is product_swebench, and only when the board names that product's harness.",
    "capabilities": "Sourced capability checks are published on the tool. They are not in the composite until the same check exists for every tool in the category."
  },
  "weights": [
    {
      "id": "video_arena_elo",
      "weight": 0.34
    },
    {
      "id": "free_tier",
      "weight": 0.18
    },
    {
      "id": "entry_monthly_usd",
      "weight": 0.18
    },
    {
      "id": "review_rating",
      "weight": 0.16
    },
    {
      "id": "review_count",
      "weight": 0.14
    }
  ],
  "ranked": [
    {
      "status": "ranked",
      "rank": 1,
      "tied": false,
      "slug": "grok",
      "name": "Grok",
      "url": "https://x.ai/grok",
      "composite": 88.2,
      "evidence": 88.2,
      "coverage": 1,
      "metrics": {
        "status": "ranked",
        "rank": 1,
        "of": 5,
        "composite": 88.2,
        "evidence": 88.2,
        "coverage": 1,
        "tied": false,
        "metrics": [
          {
            "id": "video_arena_elo",
            "label": "Text-to-video Arena Elo",
            "weight": 0.34,
            "status": "scored",
            "value": 1492,
            "normalized": 82,
            "asOf": "2026-09-21",
            "sourceUrl": "https://arena.ai/leaderboard/video/text-to-video",
            "subject": "grok-imagine-video-1.5-agent",
            "preliminary": true,
            "detail": "1492±18, preliminary, from 1,218 votes. A non-preliminary row, grok-imagine-video-720p, is 1342 from 165,462 votes.",
            "sources": null
          },
          {
            "id": "free_tier",
            "label": "Free tier",
            "weight": 0.18,
            "status": "scored",
            "value": true,
            "normalized": 100,
            "asOf": "2026-10-16",
            "sourceUrl": "https://docs.x.ai/x-subscription/pricing",
            "subject": "Free",
            "preliminary": false,
            "detail": "The X Subscription price table lists Free at $0. New self-serve plans include Grok. Existing SuperGrok plans can continue.",
            "sources": null
          },
          {
            "id": "entry_monthly_usd",
            "label": "Entry monthly price",
            "weight": 0.18,
            "status": "scored",
            "value": 8,
            "normalized": 80,
            "asOf": "2026-10-16",
            "sourceUrl": "https://docs.x.ai/x-subscription/pricing",
            "subject": "Plus",
            "preliminary": false,
            "detail": "Plus is $8 per month, or $80 per year. It is the cheapest paid individual plan in the table. Premium is $30 per month. Annual discounts are not scored.",
            "sources": null
          },
          {
            "id": "review_rating",
            "label": "App Store rating",
            "weight": 0.16,
            "status": "scored",
            "value": 4.87,
            "normalized": 97.4,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/grok-ai/id6670324846",
            "subject": "Grok AI",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.87411 and userRatingCount 1510343 for Grok AI by X Corp.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          },
          {
            "id": "review_count",
            "label": "App Store reviews",
            "weight": 0.14,
            "status": "scored",
            "value": 1510343,
            "normalized": 88.3,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/grok-ai/id6670324846",
            "subject": "Grok AI",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.87411 and userRatingCount 1510343 for Grok AI by X Corp.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          }
        ]
      }
    },
    {
      "status": "ranked",
      "rank": 2,
      "tied": false,
      "slug": "runway",
      "name": "Runway",
      "url": "https://runway.com",
      "composite": 64.8,
      "evidence": 64.8,
      "coverage": 1,
      "metrics": {
        "status": "ranked",
        "rank": 2,
        "of": 5,
        "composite": 64.8,
        "evidence": 64.8,
        "coverage": 1,
        "tied": false,
        "metrics": [
          {
            "id": "video_arena_elo",
            "label": "Text-to-video Arena Elo",
            "weight": 0.34,
            "status": "scored",
            "value": 1225,
            "normalized": 37.5,
            "asOf": "2026-09-21",
            "sourceUrl": "https://arena.ai/leaderboard/video/text-to-video",
            "subject": "runway-gen-4.5",
            "preliminary": false,
            "detail": "1225±8 from 48,127 votes.",
            "sources": null
          },
          {
            "id": "free_tier",
            "label": "Free tier",
            "weight": 0.18,
            "status": "scored",
            "value": true,
            "normalized": 100,
            "asOf": "2026-10-16",
            "sourceUrl": "https://runwayml.com/pricing",
            "subject": "Free",
            "preliminary": false,
            "detail": "Free is listed at $0 per month.",
            "sources": null
          },
          {
            "id": "entry_monthly_usd",
            "label": "Entry monthly price",
            "weight": 0.18,
            "status": "scored",
            "value": 15,
            "normalized": 62.5,
            "asOf": "2026-10-16",
            "sourceUrl": "https://runwayml.com/pricing",
            "subject": "Standard",
            "preliminary": false,
            "detail": "Standard shows $15 and $12 per month, with copy that annual billing saves $36 a year. The $12 rate is the annual equivalent. The monthly price scored is $15.",
            "sources": null
          },
          {
            "id": "review_rating",
            "label": "App Store rating",
            "weight": 0.16,
            "status": "scored",
            "value": 4.48,
            "normalized": 89.6,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/runway-ai-image-video/id1665024375",
            "subject": "Runway: AI Image & Video",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.48241 and userRatingCount 17539 for Runway: AI Image & Video by Runway AI, Inc.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          },
          {
            "id": "review_count",
            "label": "App Store reviews",
            "weight": 0.14,
            "status": "scored",
            "value": 17539,
            "normalized": 60.6,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/runway-ai-image-video/id1665024375",
            "subject": "Runway: AI Image & Video",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.48241 and userRatingCount 17539 for Runway: AI Image & Video by Runway AI, Inc.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          }
        ]
      }
    },
    {
      "status": "ranked",
      "rank": 3,
      "tied": false,
      "slug": "pika",
      "name": "Pika",
      "url": "https://pika.art",
      "composite": 54.4,
      "evidence": 54.4,
      "coverage": 1,
      "metrics": {
        "status": "ranked",
        "rank": 3,
        "of": 5,
        "composite": 54.4,
        "evidence": 54.4,
        "coverage": 1,
        "tied": false,
        "metrics": [
          {
            "id": "video_arena_elo",
            "label": "Text-to-video Arena Elo",
            "weight": 0.34,
            "status": "scored",
            "value": 1009,
            "normalized": 1.5,
            "asOf": "2026-09-21",
            "sourceUrl": "https://arena.ai/leaderboard/video/text-to-video",
            "subject": "pika-v2.2",
            "preliminary": false,
            "detail": "1009±15 from 5,763 votes.",
            "sources": null
          },
          {
            "id": "free_tier",
            "label": "Free tier",
            "weight": 0.18,
            "status": "scored",
            "value": true,
            "normalized": 100,
            "asOf": "2026-10-16",
            "sourceUrl": "https://pika.art/pricing",
            "subject": "Free",
            "preliminary": false,
            "detail": "The pricing table lists Price / mo as $0 for the free column.",
            "sources": null
          },
          {
            "id": "entry_monthly_usd",
            "label": "Entry monthly price",
            "weight": 0.18,
            "status": "scored",
            "value": 10,
            "normalized": 75,
            "asOf": "2026-10-16",
            "sourceUrl": "https://pika.art/pricing",
            "subject": "Starter",
            "preliminary": false,
            "detail": "The monthly price row lists $0, $10, $35, and $95. The annual row, marked 20% off, lists $0, $8, $28, and $76. The monthly Starter price scored is $10.",
            "sources": null
          },
          {
            "id": "review_rating",
            "label": "App Store rating",
            "weight": 0.16,
            "status": "scored",
            "value": 4.73,
            "normalized": 94.6,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/pika-ai-video/id6680155400",
            "subject": "Pika - AI Video",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.73068 and userRatingCount 4244 for Pika - AI Video by Mellis, Inc.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          },
          {
            "id": "review_count",
            "label": "App Store reviews",
            "weight": 0.14,
            "status": "scored",
            "value": 4244,
            "normalized": 51.8,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/pika-ai-video/id6680155400",
            "subject": "Pika - AI Video",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.73068 and userRatingCount 4244 for Pika - AI Video by Mellis, Inc.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          }
        ]
      }
    },
    {
      "status": "ranked",
      "rank": 4,
      "tied": false,
      "slug": "luma",
      "name": "Luma Dream Machine",
      "url": "https://lumalabs.ai",
      "composite": 37.1,
      "evidence": 45.2,
      "coverage": 0.8200000000000001,
      "metrics": {
        "status": "ranked",
        "rank": 4,
        "of": 5,
        "composite": 37.1,
        "evidence": 45.2,
        "coverage": 0.82,
        "tied": false,
        "metrics": [
          {
            "id": "video_arena_elo",
            "label": "Text-to-video Arena Elo",
            "weight": 0.34,
            "status": "scored",
            "value": 1206,
            "normalized": 34.3,
            "asOf": "2026-09-21",
            "sourceUrl": "https://arena.ai/leaderboard/video/text-to-video",
            "subject": "ray-3",
            "preliminary": false,
            "detail": "1206±22 from 1,136 votes.",
            "sources": null
          },
          {
            "id": "free_tier",
            "label": "Free tier",
            "weight": 0.18,
            "status": "not-available",
            "value": null,
            "normalized": null,
            "asOf": null,
            "sourceUrl": null,
            "subject": null,
            "preliminary": false,
            "detail": null,
            "sources": null
          },
          {
            "id": "entry_monthly_usd",
            "label": "Entry monthly price",
            "weight": 0.18,
            "status": "scored",
            "value": 30,
            "normalized": 25,
            "asOf": "2026-10-16",
            "sourceUrl": "https://lumalabs.ai/pricing",
            "subject": "Plus",
            "preliminary": false,
            "detail": "Plus is $30 per month, or $300 billed yearly. The yearly total is not scored. The page lists Plus, Pro, and Ultra and does not state a free plan, so free tier is left blank.",
            "sources": null
          },
          {
            "id": "review_rating",
            "label": "App Store rating",
            "weight": 0.16,
            "status": "scored",
            "value": 4.5,
            "normalized": 90,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/luma-dream-machine/id6478852867",
            "subject": "Luma Dream Machine",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.50362 and userRatingCount 1797 for Luma Dream Machine by Luma AI, Inc.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          },
          {
            "id": "review_count",
            "label": "App Store reviews",
            "weight": 0.14,
            "status": "scored",
            "value": 1797,
            "normalized": 46.5,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/luma-dream-machine/id6478852867",
            "subject": "Luma Dream Machine",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.50362 and userRatingCount 1797 for Luma Dream Machine by Luma AI, Inc.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          }
        ]
      }
    },
    {
      "status": "ranked",
      "rank": 5,
      "tied": false,
      "slug": "kling",
      "name": "Kling AI",
      "url": "https://kling.ai",
      "composite": 36.4,
      "evidence": 56.9,
      "coverage": 0.64,
      "metrics": {
        "status": "ranked",
        "rank": 5,
        "of": 5,
        "composite": 36.4,
        "evidence": 56.9,
        "coverage": 0.64,
        "tied": false,
        "metrics": [
          {
            "id": "video_arena_elo",
            "label": "Text-to-video Arena Elo",
            "weight": 0.34,
            "status": "scored",
            "value": 1220,
            "normalized": 36.7,
            "asOf": "2026-09-21",
            "sourceUrl": "https://arena.ai/leaderboard/video/text-to-video",
            "subject": "kling-2.5-turbo-1080p",
            "preliminary": false,
            "detail": "1220±17 from 2,111 votes.",
            "sources": null
          },
          {
            "id": "free_tier",
            "label": "Free tier",
            "weight": 0.18,
            "status": "not-available",
            "value": null,
            "normalized": null,
            "asOf": null,
            "sourceUrl": null,
            "subject": null,
            "preliminary": false,
            "detail": null,
            "sources": null
          },
          {
            "id": "entry_monthly_usd",
            "label": "Entry monthly price",
            "weight": 0.18,
            "status": "not-available",
            "value": null,
            "normalized": null,
            "asOf": null,
            "sourceUrl": null,
            "subject": null,
            "preliminary": false,
            "detail": null,
            "sources": null
          },
          {
            "id": "review_rating",
            "label": "App Store rating",
            "weight": 0.16,
            "status": "scored",
            "value": 4.68,
            "normalized": 93.6,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/kling-ai-ai-image-video-maker/id6738049229",
            "subject": "Kling AI: AI Image&Video Maker",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.67765 and userRatingCount 31671 for Kling AI: AI Image&Video Maker by KLING AI PTE. LTD.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          },
          {
            "id": "review_count",
            "label": "App Store reviews",
            "weight": 0.14,
            "status": "scored",
            "value": 31671,
            "normalized": 64.3,
            "asOf": "2026-10-16",
            "sourceUrl": "https://apps.apple.com/us/app/kling-ai-ai-image-video-maker/id6738049229",
            "subject": "Kling AI: AI Image&Video Maker",
            "preliminary": false,
            "detail": "Apple App Store listing in the US. iTunes Search API lookup on 2026-10-16 returned averageUserRating 4.67765 and userRatingCount 31671 for Kling AI: AI Image&Video Maker by KLING AI PTE. LTD.. The stored rating is that average rounded to two decimal places. The store page does not print a rating timestamp.",
            "sources": null
          }
        ]
      }
    },
    {
      "status": "insufficient-data",
      "rank": null,
      "tied": false,
      "slug": "veo",
      "name": "Veo",
      "url": "https://deepmind.google/models/veo/",
      "composite": 20.6,
      "evidence": 60.7,
      "coverage": 0.34,
      "metrics": {
        "status": "insufficient-data",
        "rank": null,
        "of": 5,
        "composite": 20.6,
        "evidence": 60.7,
        "coverage": 0.34,
        "tied": false,
        "metrics": [
          {
            "id": "video_arena_elo",
            "label": "Text-to-video Arena Elo",
            "weight": 0.34,
            "status": "scored",
            "value": 1364,
            "normalized": 60.7,
            "asOf": "2026-09-21",
            "sourceUrl": "https://arena.ai/leaderboard/video/text-to-video",
            "subject": "veo-3.1-audio",
            "preliminary": false,
            "detail": "1364±14 from 13,741 votes.",
            "sources": null
          },
          {
            "id": "free_tier",
            "label": "Free tier",
            "weight": 0.18,
            "status": "not-available",
            "value": null,
            "normalized": null,
            "asOf": null,
            "sourceUrl": null,
            "subject": null,
            "preliminary": false,
            "detail": null,
            "sources": null
          },
          {
            "id": "entry_monthly_usd",
            "label": "Entry monthly price",
            "weight": 0.18,
            "status": "not-available",
            "value": null,
            "normalized": null,
            "asOf": null,
            "sourceUrl": null,
            "subject": null,
            "preliminary": false,
            "detail": null,
            "sources": null
          },
          {
            "id": "review_rating",
            "label": "App Store rating",
            "weight": 0.16,
            "status": "not-available",
            "value": null,
            "normalized": null,
            "asOf": null,
            "sourceUrl": null,
            "subject": null,
            "preliminary": false,
            "detail": null,
            "sources": null
          },
          {
            "id": "review_count",
            "label": "App Store reviews",
            "weight": 0.14,
            "status": "not-available",
            "value": null,
            "normalized": null,
            "asOf": null,
            "sourceUrl": null,
            "subject": null,
            "preliminary": false,
            "detail": null,
            "sources": null
          }
        ]
      }
    }
  ]
}