LTXV 2 Fast is a performance-optimized variant of the LTXV 2 video generation family, built for speed, responsiveness, and scalability. While the core LTXV 2 model emphasizes cinematic quality and deep creative control, LTXV 2 Fast is engineered for scenarios where low latency and rapid iteration matter most. It enables near-real-time video generation from text or images, making it ideal for high-volume production, interactive applications, and fast-paced creative workflows.
LTXV 2 Fast uses a streamlined inference pipeline and optimized temporal modeling to reduce compute overhead without sacrificing visual consistency. Instead of focusing on long, highly detailed cinematic shots, the model prioritizes short-to-medium video clips, fast scene assembly, and stable motion generation. This makes it especially suitable for real-time previews, iterative content testing, and automated video pipelines.
The Text-to-Video mode in LTXV 2 Fast converts written prompts into animated video sequences with minimal delay. Users can describe scenes, actions, environments, or moods, and the model rapidly constructs a coherent video that reflects the semantic intent of the text. This mode is optimized for speed, allowing creators to test multiple ideas quickly or generate large volumes of short clips from prompt variations.
Image-to-Video mode allows users to upload a single image and transform it into a moving video sequence almost instantly. LTXV 2 Fast analyzes depth, structure, and visual context to generate natural motion, subtle camera movement, and temporal continuity. The model preserves the core composition of the original image while adding dynamic elements that feel fluid rather than artificial.
LTXV 2 Fast is widely applicable across industries that require fast video generation. Marketing teams use it for rapid ad variations and A/B testing. Social media platforms rely on it to generate short-form video content at scale. Developers integrate it into interactive applications, creative assistants, and user-generated content tools. It is also well suited for real-time previews in creative software, where immediate feedback improves workflow efficiency.
vs Sora 2: LTXV 2 Fast generates 4K videos with synchronized audio in up to 50 FPS, producing 6-second Full HD videos in about 5 seconds, significantly faster than Sora 2’s typical 1-2 minute generation time.
vs Veo 3.1: Both models support synchronized audio-video generation with high-resolution outputs, but LTXV 2 Fast emphasizes rapid short-clip generation with consumer GPU accessibility and cost efficiency.
vs. Kling 2.5 Turbo Pro: Kling 2.5 Turbo Pro specializes in cinematic storytelling with enhanced motion and camera controls but generally has slower inference speeds. LTXV 2 Fast focuses on fast iteration capabilities and integrated audio generation, making it suitable for quick prototyping and marketing content.
import requests, time headers = {"Authorization": "Bearer " + AIMLAPI_KEY} job = requests.post( "https://api.aimlapi.com/v2/video/generations", headers=headers, json={ "model": "ltxv-2/fast", "prompt": "A serene timelapse of clouds over a mountain range" }, ).json() gid = job["id"] while True: res = requests.get(f"https://api.aimlapi.com/v2/video/generations?generation_id={gid}", headers=headers).json() if res.get("status") in ("completed", "error"): break time.sleep(5) print(res["video"]["url"])
const headers = { Authorization: `Bearer ${process.env.AIMLAPI_KEY}`, "Content-Type": "application/json", }; const job = await (await fetch("https://api.aimlapi.com/v2/video/generations", { method: "POST", headers, body: JSON.stringify({ "model": "ltxv-2/fast", "prompt": "A serene timelapse of clouds over a mountain range" }), })).json(); let res; do { await new Promise((r) => setTimeout(r, 5000)); res = await (await fetch(`https://api.aimlapi.com/v2/video/generations?generation_id=${job.id}`, { headers })).json(); } while (!["completed", "error"].includes(res.status)); console.log(res.video.url);
# submit the generation — the response contains the job "id" curl -X POST https://api.aimlapi.com/v2/video/generations \ -H "Authorization: Bearer $AIMLAPI_KEY" \ -H "Content-Type: application/json" \ -d '{"model":"ltxv-2/fast","prompt":"A serene timelapse of clouds over a mountain range"}' # then poll until status is "completed" — video.url holds the result curl "https://api.aimlapi.com/v2/video/generations?generation_id={id}" -H "Authorization: Bearer $AIMLAPI_KEY"
OpenAI-compatible — swap the base URL and it works with your existing SDK.
| Type | Price |
|---|---|
| Output | |
| Model | Input | Output | Context | Best for |
|---|---|---|---|---|
LTXV 2 Fast This page | Video generation |
LTXV 2 Fast takes image, text as input and returns video.
LTXV 2 Fast is priced at $0.052 / sec (variable).
LTXV 2 Fast is billed per generation — a fixed charge per output rather than by prompt length.
Yes, LTXV 2 Fast accepts image input as well as a text prompt.
LTXV 2 Fast was built by LTXV.
Send a request to v2/video/generations with ltxv-2/fast as the model id.
Yes. LTXV 2 Fast is served through AI/ML API, so the same key and endpoint format used for other models applies.
Yes, it is built to generate videos more quickly while still supporting multiple resolutions and frame rates.
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