# Runway Text-to-Video > Runway Text-to-Video is available on Artifio.ai — a unified AI workspace with a single pay-as-you-go wallet. - Canonical page: https://artifio.ai/models/runway-text-to-video - Run it: https://artifio.ai/create/runway-text-to-video - Modality: prompt to video - Model brand: Runway - Pricing: from about $0.060 per generation (exact cost shown in the workspace before you confirm; varies with selected options) - Typical generation time: ~240s (catalogue estimate) - Full pricing table: https://artifio.ai/pricing/models ## About Runway Text-to-Video Runway is a New York AI research company that has shipped a new video generation family roughly once a year since Gen-1. Its current text-to-video generation is Gen-4.5, announced on December 1, 2025. The release turns a written prompt into a high-definition clip, and Runway reported a score of 1,247 Elo on the Artificial Analysis text-to-video benchmark at launch, the top position at the time. TechCrunch reported that the release also added native audio, longer multi-shot generation, and character consistency, and that its benchmark showing helped Runway close a 315 million dollar Series E at a 5.3 billion dollar valuation in February 2026. Runway trains and runs the model on NVIDIA Hopper and Blackwell GPUs and says Gen-4.5 keeps the speed of Gen-4 while raising output quality. On Artifio it runs in the same workspace as 100+ other models, paid per generation from one wallet with no per-model subscription. ## Features - Generates high-definition video directly from a text prompt, with no input image required - Native audio generation and multi-shot sequencing were added with the Gen-4.5 release, per TechCrunch - Character consistency tools carry a subject across shots within a longer generation - Scored 1,247 Elo on the Artificial Analysis text-to-video benchmark as of November 30, 2025, the highest of any model at that date - Part of a wider control family: Runway lists image-to-video, keyframes, and video-to-video modes alongside text-to-video - Runs training and inference on NVIDIA Hopper and Blackwell GPUs ## What people use it for - Cinematic concept shots and previsualization for film and advertising work - Short ad and social clips generated straight from script lines - Physics-heavy action beats where objects need believable weight and momentum - Establishing shots and VFX-style sequences without a plate shoot ## Reported strengths - Motion realism is the headline improvement: Runway emphasizes physically plausible movement and simulation of real-world dynamics - Held the top spot on the Artificial Analysis text-to-video leaderboard at launch, ahead of Google and OpenAI models - Keeps the generation speed of Gen-4 despite the quality jump, per Runway - Available across Runway's paid plans and API at pricing comparable to Gen-4 ## Reported limitations - Runway documents causal reasoning failures: effects sometimes precede their causes in generated footage - Object permanence is imperfect, with objects occasionally appearing or disappearing between frames - Runway notes a success bias, where depicted actions succeed disproportionately often - The leaderboard has moved since launch: by July 2026 the top Artificial Analysis text-to-video slots belong to newer releases from ByteDance and Alibaba ## Sources 1. Introducing Runway Gen-4.5 (Runway): https://runwayml.com/research/introducing-runway-gen-4.5 2. AI video startup Runway raises $315M at $5.3B valuation, eyes more capable world models (TechCrunch): https://techcrunch.com/2026/02/10/ai-video-startup-runway-raises-315m-at-5-3b-valuation-eyes-more-capable-world-models/ 3. Text to Video Leaderboard (Artificial Analysis): https://artificialanalysis.ai/video/leaderboard/text-to-video ## What it's good at - The price-performance outlier: at a fraction of flagship video pricing it produced realistic foam physics and crisp spray droplets in our wave test. - Fast turnaround — both battery clips finished in 45-86 seconds. - Atmospheric close-up work: steam in the barista test curled beautifully and the latte swirl formed convincingly. ## Where it falls down - Object logic slips under scrutiny: our barista clip rendered the milk pitcher as translucent glass with coffee-colored liquid inside — a material confusion a steel pitcher shouldn't allow. - Color grading is flatter than the cinematic tier — the golden-hour wave came out muted rather than glowing. - Framing runs tight and abstract; it favors close crops over establishing shots, so wide scene-setting briefs may need a different model. ## Best for - Budget b-roll - Fast iteration on video concepts - Tight atmospheric close-ups ## Sample generations (exact prompts) All samples below were generated on Artifio.ai with this model and are hosted on our media CDN. ### Realistic foam physics at a fraction of flagship pricing Prompt: "A large ocean wave crashing over dark rocks at golden hour, slow motion, spray and droplets backlit by the sun" Output (video): https://media.artifio.ai/users/user_3Bm1K1h3HGUm1KEaek1PCLVody6/outputs/runway-text-to-video/2026/07/12/1783817870130-2b36ae3b-59da-4b24-9000-e18335463ff8.mp4 ### Beautiful steam curls; note the pitcher's material confusion Prompt: "A barista pours latte art into a white cup in a bright café, camera slowly pushes in on the cup, steam rising" Output (video): https://media.artifio.ai/users/user_3Bm1K1h3HGUm1KEaek1PCLVody6/outputs/runway-text-to-video/2026/07/12/1783817926597-2d1dc5cf-3d55-49b4-8e7b-615ed4df788b.mp4 _Strengths and weaknesses above were observed in real generations by the Artifio team, not taken from vendor marketing copy._ --- About Artifio.ai: 100+ AI image, video, and audio models in one workspace with a single shared wallet — no per-model subscriptions. 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