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Grok Imagine 1.5 T2V

Grok Imagine 1.5 T2V costs $0.168/sec on FairStack · a text to video model for Social video that needs sound, Short clips at a chosen aspect ratio, Quick looks at a concept before a longer render. No subscription required. Pay per generation with full REST API access. FairStack applies a transparent 20% margin on infrastructure cost so you always see the real price.

FairStack price
$0.168/sec

What is Grok Imagine 1.5 T2V?

Grok Imagine Video 1.5 is xAI's versioned 1.5 video model, generating video with audio directly from a prompt. Audio comes with the picture in the same request — there is no separate audio pass and no audio surcharge. Three resolution tiers (480p, 720p, 1080p) and any duration from 1 to 15 seconds, across seven aspect ratios including 3:2 and 2:3. Billing is per second of output and varies by tier, at the model's cost plus a flat 20% platform fee, shown before you spend. This is a separate entry from the older unversioned Grok Imagine video models, which remain available.

Key Features

Audio generated with the video
480p, 720p and 1080p tiers
Seven aspect ratios including 3:2 and 2:3
Any duration from 1 to 15 seconds

What are Grok Imagine 1.5 T2V's strengths?

Sound without a second pass
Wide aspect coverage
Flexible duration

What are Grok Imagine 1.5 T2V's limitations?

Audio cannot be disabled, so it is always priced in
1080p costs roughly three times 480p per second

What is Grok Imagine 1.5 T2V best for?

Social video that needs sound Short clips at a chosen aspect ratio Quick looks at a concept before a longer render

How much does Grok Imagine 1.5 T2V cost?

Metric
FairStack
Details
Price per generation
$0.168
Includes 20% margin
Per-second rate
$0.168/sec
Billed per second of output
Subscription
None
Pay per generation only

How does Grok Imagine 1.5 T2V perform across capabilities?

Estimated from the Grok Imagine family and fal's launch description — NOT independently benchmarked. Re-score after a Visual Observatory sweep. PRD-1026.

motion quality
80%
visual quality
81%
prompt adherence
80%
temporal coherence
79%
character consistency
72%
camera control
72%
audio quality
78%

How do I use the Grok Imagine 1.5 T2V API?

curl
curl -X POST https://api.fairstack.ai/v1/generations/video \
  -H "Authorization: Bearer $FAIRSTACK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-imagine-1-5-t2v",
    "prompt": "Your prompt here"
  }'
Python
import requests

response = requests.post(
    "https://api.fairstack.ai/v1/generations/video",
    headers={
        "Authorization": f"Bearer {FAIRSTACK_API_KEY}",
        "Content-Type": "application/json",
    },
    json={
        "model": "grok-imagine-1-5-t2v",
        "prompt": "Your prompt here",
    },
)

result = response.json()
print(result["url"])
Node.js
const response = await fetch(
  "https://api.fairstack.ai/v1/generations/video",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.FAIRSTACK_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      model: "grok-imagine-1-5-t2v",
      prompt: "Your prompt here",
    }),
  }
);

const result = await response.json();
console.log(result.url);

What parameters does Grok Imagine 1.5 T2V support?

Parameter
Type
Default
Details
aspect_ratio
enum
16:9
Options: 16:9, 4:3, 3:2, 1:1, 2:3, 3:4...
resolution
enum
720p
Options: 480p, 720p, 1080p
duration
integer
5
Range: 1–15

Frequently Asked Questions

How much does Grok Imagine 1.5 T2V cost?

Grok Imagine 1.5 T2V costs $0.168/sec on FairStack as of 2026-09-24. This price includes FairStack's transparent 20% margin on infrastructure cost. No subscription or monthly fee — you pay per generation only. Minimum deposit is $1.

What is Grok Imagine 1.5 T2V and what is it best for?

Grok Imagine Video 1.5 is xAI's versioned 1.5 video model, generating video with audio directly from a prompt. Audio comes with the picture in the same request — there is no separate audio pass and no audio surcharge. Three resolution tiers (480p, 720p, 1080p) and any duration from 1 to 15 seconds, across seven aspect ratios including 3:2 and 2:3. Billing is per second of output and varies by tier, at the model's cost plus a flat 20% platform fee, shown before you spend. This is a separate entry from the older unversioned Grok Imagine video models, which remain available. Grok Imagine 1.5 T2V is best for Social video that needs sound, Short clips at a chosen aspect ratio, Quick looks at a concept before a longer render. Available via FairStack's REST API with curl, Python, and Node.js SDKs.

Does Grok Imagine 1.5 T2V have an API?

Yes. Grok Imagine 1.5 T2V is available via FairStack's REST API at api.fairstack.ai. Send a POST request to /v1/generations/video with your API key and prompt. Works with curl, Python requests, Node.js fetch, and any HTTP client. No SDK installation required.

How does Grok Imagine 1.5 T2V compare to other video models?

Grok Imagine 1.5 T2V excels at Social video that needs sound, Short clips at a chosen aspect ratio, Quick looks at a concept before a longer render. It is a text to video model priced at $0.168/sec on FairStack. Key strengths: Sound without a second pass, Wide aspect coverage. Compare all video models at fairstack.ai/models.

Start using Grok Imagine 1.5 T2V today

$0.168/sec. Full API access. No subscription.

Start Creating