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CometAPI/
sora2

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Sora 2 is OpenAI’s flagship text-to-video and audio generation system designed to produce short cinematic clips with synchronized dialogue, sound effects, persistent scene state, and markedly improved physical realism. Sora 2 represents OpenAI’s step forward in producing short, controllable videos with synchronized audio (speech and sound effects), improved physical plausibility (motion, momentum, buoyancy), and stronger safety controls compared with earlier text-to-video systems.

Key features

Physical realism & continuity: improved simulation of object permanence, motion and physics for fewer visual artifacts.
Synchronized audio: generates dialogue and sound effects that line up with on-screen action.
Steerability & style range: finer control over camera framing, stylistic choices, and prompt conditioning for different aesthetics.
Creative controls: More consistent multi-shot sequences, improved physics and motion realism, and controls for style and timing compared with Sora 1.

Technical details

OpenAI describes Sora family models as leveraging latent video diffusion processes with transformer-based denoisers and multimodal conditioning to produce temporally coherent frames and aligned audio. Sora 2 focuses on improving motion physicality (obeying momentum, buoyancy), longer consistent shots, and explicit synchronization between generated visuals and generated speech/sound effects. The public materials emphasize model-level safety and content-moderation hooks (hard blocks for certain disallowed content, enhanced thresholds for minors, and consent flows for likeness).

Limitations & safety considerations

Imperfections remain: Sora 2 makes mistakes (temporal artifacts, imperfect physics in edge cases, voice/oral articulation errors) —Sora 2’s improved but not perfect. OpenAI explicitly notes the model still has failure modes.
Misuse risks: Non-consensual likeness generation, deepfakes, copyright concerns, and teen wellbeing/engagement risks. OpenAI is rolling out consent workflows, stricter cameo permissions, moderation thresholds for minors, and human moderation teams.
Content & legal limits: The app and model block explicit/violent content and limit public-figure likeness generation without consent; OpenAI has also been reported to use opt-out mechanisms for copyrighted sources. Practitioners should evaluate IP and privacy/legal risk before production use.
current deployments emphasize short clips (app features reference ~10-second creative clips), and heavy or unrestricted photorealistic uploads are curtailed during

Primary and practical use cases

Social creation & viral clips: rapid generation and remixing of short vertical clips for social feeds (Sora app use case). Keywords: social, remix, vertical video.
Prototyping & previsualization: quick scene mockups, storyboarding, concept visuals with synchronized temp audio for creative teams. Keywords: previsualization, storyboard, concepting.
Advertising & short-form content: proof-of-concept creative testing and small campaign assets where ethical/legal permissions are secured. Keywords: ads, consent, rights management.
Research & toolchain augmentation: tool for media labs to study world-modeling and multi-modal alignment (subject to license and safety guardrails).

How to call Sora 2 API from CometAPI

Model version:sora-2, sora-2-hd

`\Sora 2\` API Pricing in CometAPI，20% off the official price:

Model	Price
sora-2	$0.16000
sora-2-hd	$0.10000

Required Steps

Log in to cometapi.com. If you are not our user yet, please register first
Get the access credential API key of the interface. Click “Add Token” at the API token in the personal center, get the token key: sk-xxxxx and submit.
Get the url of this site: https://api.cometapi.com/

Use Method

Select the “sora-2”/ “sora-2-hd” endpoint to send the API request and set the request body. The request method and request body are obtained from our website API doc. Our website also provides Apifox test for your convenience.
Replace <YOUR_API_KEY> with your actual CometAPI key from your account.
Insert your question or request into the content field—this is what the model will respond to.
. Process the API response to get the generated answer.

CometAPI provides a fully compatible REST API—for seamless migration. Key details:

Base URL: (official) https://api.cometapi.com/v1/videos
Model Names: sora-2 / sora-2-hd
Authentication: Bearer YOUR_CometAPI_API_KEY header
Content-Type: application/json .

or use CometAPI’s url: https://api.cometapi.com/v1/chat/completions

CometAPI/sora2