SSyncDev

AI model comparison

Grok 4.5 vs Grok Imagine Video 1.5

Compare pricing, context limits, supported inputs and deployment options to choose a model for your workflow.

Grok 4.5 from xAI lists 500K context, 500K maximum output, $2.00 input per 1M tokens, $6.00 output per 1M tokens. Grok Imagine Video 1.5 from xAI lists 1.02K context. Compare the inputs, outputs and deployment options below to see which fits your workflow.

Side-by-sideCapabilities and practical differences

xAI

Grok 4.5

Grok 4.5 from xAI: xAI's Grok model for chat, coding, agentic tools, and lower hallucination risk.

Context
500K
Max output
500K
Input / 1M tokens
$2.00
Output / 1M tokens
$6.00

Accepts

  • Text input
  • Image input

Produces

  • Text output
Full model profilegithub.com ↗
VS

xAI

Grok Imagine Video 1.5

Grok Imagine Video 1.5 creates video from text, image references and supported voice inputs, with frame controls for planned shots.

Context
1.02K

Accepts

  • Text input
  • Image input
  • Audio input

Produces

  • Video output
Full model profiledocs.x.ai ↗

At a glance

Key differences

Compare the available figures below, then try both models on the work you need to do.

Grok 4.5

  • Context capacity: 500K

Context capacity

Higher listed limit

Grok 4.5:500K

Grok Imagine Video 1.5:1.02K

Grok 4.5

Specifications

Pricing, limits and capabilities

Specifications for Grok 4.5 and Grok Imagine Video 1.5. Higher limits and lower prices describe these figures only.
SpecificationGrok 4.5Grok Imagine Video 1.5
ProviderxAIxAI
Listed pricing routexAIxAI
Model familygrokgrok
Accepted inputstext, imagetext, image, audio
Produced outputstextvideo
Context window500KHigher1.02K
Max output500K—
Input price / 1M$2.00—
Output price / 1M$6.00—
Reasoning modeDocumentedNot documented
Tool callingDocumentedNot documented
Image inputDocumentedDocumented
Audio inputNot documentedDocumented
Structured outputDocumentedNot documented
LicenseProprietaryPublisher API terms

Workload guidance

Which model should you choose?

Consider Grok 4.5 if you need larger context. Test both on the same representative examples and judge the output against your acceptance criteria. Include tool failures, retries and the time to a completed task.

Documentation and model profiles

Explore each model’s features, API requirements and licence terms in the sources below.

Questions people ask

It brings together documented inputs and outputs, token limits, deployment terms and available pricing. When both models have source-linked, verified results on a shared benchmark, those results are shown with their individual sources. The comparison is a starting point for evaluating your own workload.

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