Using FLUX 3 Video on Vercel AI Gateway

Implementation guide · FLUX 3 · Black Forest Labs

Serverless

Vercel AI Gateway exposes FLUX 3 Video through model ID bfl/flux-3-video. Use the setup steps, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-10-19. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at Vercel AI Gateway and generate an API key.
  2. 2
    Use the Vercel AI Gateway SDK or REST API to call bfl/flux-3-video — see the documentation for request format.

Code Examples

Install
pip install openai
API key
AI_GATEWAY_API_KEY
Model ID
bfl/flux-3-video

creator/model-name e.g. kwaipilot/kat-coder-pro-v2

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
    base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
    model="bfl/flux-3-video",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Capabilities

VisionMultimodalAudio

About FLUX 3 Video

FLUX 3 Video is Black Forest Labs' multimodal video model (API POST /v1/flux-3-video): t2v/i2v/v2v up to ~20s with native audio, HD–UHD, draft mode. GA on BFL API 2026-08-04 after Early Access announce 2026-07-23.

Model Specs

Released2026-07-23

More Models on Vercel AI Gateway

Provider

Vercel AI Gateway

Vercel