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Black Forest Labs: FLUX Video Edit vs SpaceXAI: Grok Imagine Video 1.5 Lite

A side-by-side comparison of Black Forest Labs: FLUX Video Edit ($10.50 / second) and SpaceXAI: Grok Imagine Video 1.5 Lite ($3.50 / second) using current USD prices and capabilities from the api14 catalog. Both run through the same OpenAI-compatible API.

Specifications

Black Forest Labs: FLUX Video EditSpaceXAI: Grok Imagine Video 1.5 Lite
ProviderBlack Forest LabsxAI
cents_per_second_output$10.50 / second-
cents_per_image_input-$3.50 / second
cents_per_video_output_second_480p-$7.00 / second
cents_per_video_output_second_720p-$10.50 / second
cents_per_video_output_second_1080p-$49.00 / second
Context window--
Max output--
Inputtext, videotext, image
Outputvideovideo
Tool calling
Structured output
Reasoning control
AddedSep 10, 2026Oct 6, 2026

Switch with one string

Both models use the same endpoint and request shape. Change the model value from "black-forest-labs/flux-video-edit" to "x-ai/grok-imagine-video-1.5-lite" and prompts, streaming and tools keep working.

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api14.com/api/v1",
  apiKey: process.env.API14_API_KEY,
});

// Video generation is asynchronous: submit, then poll until completed.
let job = await client.post("/videos", { body: {
  "model": "x-ai/grok-imagine-video-1.5-lite",
  "prompt": "A drone shot over turquoise ocean waves at sunrise",
  "duration": 8,
  "resolution": "720p",
  "aspect_ratio": "16:9"
} });
while (!["completed", "failed"].includes(job.status)) {
  await new Promise((r) => setTimeout(r, 5000));
  job = await client.get(`/videos/${job.id}`);
}
console.log(job.status, job.unsigned_urls);

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