xAI

Grok Imagine Video 1.5

CTX1K

85Quality

Video generation · Vision

Input—

Output—

Video model for image-to-video generation, editing, and extension workflows

PaidProprietary911/1040

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xAIVideoPromo

Grok Imagine Video 1.5

Video model for image-to-video generation, editing, and extension workflows

grok-imagine-video-1.5

Type: Video
Quality: 85 · Top 15% on the LMArena Image to Video
Context window: 1,024 tokens
Max output: —
Input price: —
Output price: —
Cache read: —
Cache write: —
Released: May 30, 2026
Knowledge cutoff: —
Takes in: Text, Image, Audio, PDF
Puts out: Video
Reasoning: No
Tool calling: No
Structured output: No
File attachments: Yes
Access: Paid
License: Proprietary
Rarity: Promo
Set number: 911/1040

Open xAI docs Quality 85 Where to run it 2 Evolution 2/2 Meet its creature Battle MiniMax-H3

Weights aren’t public. Use is governed by xAI’s terms. Specs from models.dev, last changed Oct 18, 2026. Official source: docs.x.ai.

How good is it?

Public leaderboard scores for Grok Imagine Video 1.5, refreshed daily from Epoch AI and LMArena.

Top 15% of the 48 models on the LMArena Image to Video: #8.

Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.

Leaderboards

LMArena Image to Video#8 of 48
Two clips animating the same image; people pick the better one.1,456 rating
Listed as grok-imagine-video-1.5-720p

Scores from LMArena, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits

Where to run it

2 providers sell Grok Imagine Video 1.5 through an API. Prices are per million tokens, cheapest first.

From the labxAI— in · — out

API providers

Provider	Input	Output	Context
Vercel AI Gateway`spacexai/grok-imagine-video-1.5`	—	—	—
xAIOfficial`grok-imagine-video-1.5`	—	—	1K

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.