| Spec | Value |
|---|---|
| Maker | OpenAI |
| Announced | 15 Feb 2024 (research preview) |
| Max resolution | 1920x1080 (Ars Technica) |
| Max clip length | Up to 60 seconds (Ars Technica); "up to a minute long" (The Verge) |
| Native audio | No: "no synchronized sound yet" (Ars Technica) |
| Input types | Text prompts; a still image; fill in missing frames of, or extend, an existing video (The Verge) |
| Access | Red teamers assessing harms, plus selected visual artists, designers and filmmakers (The Verge); not on sale |
OpenAI's own announcement page is behind Cloudflare, so figures come from press reports of it. Ars Technica says it had not tested the model; the access and input rows are from The Verge (https://www.theverge.com/2024/2/15/24074151/openai-sora-text-to-video-ai). No price or render time was published. · источник
Estimate from the version's published specs and reviews, 0-5; scores are only comparable within one criteria year. Scored as previewed (Feb 2024 research preview, never sold): 1920x1080 and up to 60 s per Ars Technica, text and image input plus extending or filling in an existing video per The Verge, silent per Ars ('no synchronized sound yet'). Speed is null: OpenAI gave no render time and Wired was told only 'going out for a burrito'. Realism is from curated OpenAI demo clips only, since no outside reviewer could enter prompts; all five reviews praise the look and note artifacts or cherry-picking, so 4 is capped by that caveat.[1]
OpenAI says that Sora is distinguished by its striking photorealism—something I haven’t seen in its competitors—and its ability to produce longer clips than the brief snippets other models typically do, up to one minute.
there are issues — basketballs go through the sides of metal hoops, dogs pass through each other while walking, and hands are.... not always hands.
It’s high-resolution (1920×1080), can generate video with temporal consistency (maintaining the same subject over time) that lasts up to 60 seconds, and appears to follow text prompts with a great deal of fidelity.
Impressive as they are, the sample videos shown here were no doubt cherry-picked to show Sora at its best.
The blog explains that Sora-generated videos “may struggle with accurately simulating the physics of a complex scene, and may not understand specific instances of cause and effect.”
| OpenAI’s Sora Turns AI Prompts Into Photorealistic Videos · 15 февр. 2024 г. | 0.60 |
|---|---|
| OpenAI teases an amazing new generative video model called Sora · 15 февр. 2024 г. | -0.30 |
| Sora’s AI-generated video looks cool, but it’s still bad with hands. · 16 февр. 2024 г. | -0.50 |
| OpenAI collapses media reality with Sora, a photorealistic AI video generator · 16 февр. 2024 г. | 0.40 |
| OpenAI Sora text to video generator debuts – results can be amazing, but bugs admittedly remain · 16 февр. 2024 г. | -0.10 |
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The Verge (15 февраля 2024 г., 18:50 UTC), Wired[2] (15 февраля), NBC News[4] (15 февраля) и MIT Technology Review[5] сообщают, что OpenAI представит Sora в четверг, 15 февраля 2024 г.; Википедия дает ту же дату.
Steven Levy saw four demo clips (the longest 17 seconds), calls the photorealism something he had not seen in competitors, notes a Tokyo scene whose sidewalk dead-ends, and says researchers would only describe render time as nearer 'going out for a burrito' than days.[1]
Says Sora is 1920x1080, holds a subject consistent for up to 60 seconds, extends videos or animates stills, and has no synchronized sound yet; frames it as a diffusion transformer built on DALL-E 3 style recaptioning.[1]
Reports clips up to a minute, Sam Altman generating viewer-prompted videos on X, an OpenAI spokesperson saying the model will not be broadly available soon, and the weaknesses OpenAI listed (physics, cause and effect, a person running the wrong way on a treadmill).[1]
Says OpenAI briefed it under embargo, has no plan to release Sora, started third-party safety testing, and that the samples were probably cherry-picked; Tim Brooks admits people who leave the frame for long 'won't come back'.[1]
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Оригинальное название: Sora Previewed
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