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AI Video — CogVideoX-2B

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Model:
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Video model Self-hosted Apache 2.0 2B
CogVideoX-2B — Text-to-video generation model producing 4-8 second clips.
~10.000 fitxes (4s vídeo)
0%
S' està iniciant la generació...

What is CogVideoX-2B?

Text-to-video generation model producing 4-8 second clips.

Best for: Short video clips from text

Why use CogVideoX-2B for video?

Text-to-video

Type a description, get a clip. Style, motion, and aspect ratio are all controllable from the form above.

Image-to-video

Animate a still by uploading it as a starting frame on the full /video/ tool — same model, more options.

Aspect ratios

16:9 for YouTube, 9:16 for TikTok and Reels, 1:1 for feed posts. Render at the right shape from the start.

Motion + camera

Pan, zoom, dolly, orbit, handheld — the full /video/ form exposes camera direction. Use the link below to switch to it.

Sample prompts

A golden retriever running through sunflowers at sunset, cinematic slow motion
A futuristic city skyline at night, neon lights, drone fly-through
A red rose blooming in time-lapse, macro shot, soft natural light
A surfer riding a perfect wave, slow motion, golden hour
An astronaut walking on a Mars-like landscape, dust kicked up by boots
A coffee being poured into a cup, steam rising, close-up

Pricing

Self-hosted on our GPUs. Generation draws from your daily free pool first; once that runs out, paid token packs start at $5 → 200,000 tokens. Roughly ~2,500 tokens per second of generated video, minimum 5,000.

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Full model reference → · See all video models → · Compare 2 video models side-by-side →

Opcions avançades
Resultat
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Want better results? Models Premium (GPT-5, Claude, Gemini) deliver higher quality. View Plans

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S' està processant la vostra petició...

Text-to-video generation model producing 4-8 second clips.

Com usar- lo AI Video — CogVideoX-2B

1
Introduïu l' entrada

Escriu text, puja un fitxer, o descriu el que vulguis. No cal compte.

2
Generació de clic

La nostra IA processa la vostra petició en segons usant els millors models de codi obert.

3
Descarrega i comparteix

Baixeu, copieu o compartiu el vostre resultat. Lliure per a ús personal i comercial.

Usa aquesta eina mitjançant l' API

Automatitzeu aquesta eina del vostre propi codi. Els costos OpenAI compatible amb el punt d' acabament, l' autenticació Beer- token, sense necessitat de SDK extra. Perken coincideixen amb la interfície web.

Documentació de l' API Obtén la clau de l' API 
curl -X POST https://api.free.ai/v1/video/generate/ \
  -H "Authorization: Bearer sk-free-..." \
  -H "Content-Type: application/json" \
  -d '{"prompt": "A cat playing piano", "duration": 4}'

Eines de lliure IA relacionades amb la IA

AI Video Editor
AI Video Enhancer
AI Video Dubbing Studio
AI Video Translator
AI Video Effects — Pikaffects-style
AI Video Upscaler
AI Shorts Generator
AI Reels Generator

AI Video — CogVideoX-2B — FAQ

CogVideoX-2B is one of the AI video models available on Free.ai. Use the form on this page to generate a clip; below the fold you will find sample prompts, pricing, and alternatives.

On Free.ai, video generation tops out at 6 seconds per clip across all video models. To extend, use the Extend button on the full /video/ tool — it captures the last frame and continues from there.

16:9 landscape (YouTube, desktop), 9:16 portrait (TikTok, Reels, Shorts), and 1:1 square (Instagram feed). Pick the ratio in the form before you generate so the model frames the shot for that shape.

720p HD by default. Some premium models support up to 1080p — check the Compare card. You can upscale any output in /video/upscaler/ after the fact.

Strong on natural motion (people walking, cars driving, water, weather). Weaker on intricate hand interaction and fine text. Use camera-direction hints (slow pan, dolly forward) for cleaner motion.

Free.ai grants commercial use of generated videos to you regardless of model. The model itself may be Apache 2.0, MIT, or a vendor-specific license — see the model reference link below.

CogVideoX-2B runs on our own GPUs. Generation draws from your daily free pool first; once that runs out, paid token packs start at $5 → 200,000 tokens. Roughly ~2,500 tokens per second of generated video, minimum 5,000.

Yes — use /batch/ for up to 100 prompts. Each clip is queued and the result lands in /account/?tab=history when ready.

Yes — POST your prompt to /v1/video/generate/ with model="CogVideoX-2B" (or use the slug on this page). See /api/ for the full endpoint reference plus auth, error codes, and SDK snippets.

We do not store your prompts beyond the share window (24h anon, 7d signed-in). We do not train on your inputs. Self-hosted models run on Free.ai-owned GPUs.

Yes — failed jobs are auto-refunded to the original payment source (daily pool or paid tokens) the same day. Email contact@free.ai if a refund did not appear.

Typical render 30–120 seconds for a 4-second clip; premium models often finish in 15–45 seconds. Use the close-tab-safe queue button on /video/ — your result lands in /account/?tab=history when done, with optional email.

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