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G

AI Model · Multimodal

GLM-4.5

API-only Not applicable for models Launch 2025
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G

AI Model · Multimodal

Grok 4

API-only Not applicable for models Launch 2026
View full profile

GLM-4.5 vs Grok 4

GLM-4.5 is better for multimodal tasks with large contexts (128k), while Grok 4 is better for multimodal tasks with large contexts (256k).

Last updated Apr 01, 2026

At a glance

Price model

GLM-4.5

API-only

Grok 4

API-only

Primary modality

GLM-4.5

Multimodal

Grok 4

Multimodal

Context window

GLM-4.5

128k

Grok 4

256k

Decision shortcuts

Why Choose Each

Why choose GLM-4.5

  • ✓ Context window: 128k.
  • ✓ Modality: Multimodal.
  • ✓ Pricing model: API-only.
  • ✓ Built by Zhipu AI.

Why choose Grok 4

  • ✓ Context window: 256k.
  • ✓ Modality: Multimodal.
  • ✓ Pricing model: API-only.
  • ✓ Built by xAI.

Static verdicts

Verdicts by Use Case

Best Overall

Tie

Both options have similar public evidence, so the better choice depends on your use case.

Best for Developers

Grok 4

Grok 4 has the stronger developer fit from API, model, context, or integration signals.

Best Value

Tie

Neither option exposes a clearly better public price signal.

Best for Beginners

Tie

Both options appear similarly approachable from the available public fields.

Best for Teams

Tie

The visible team rollout signals are similar.

Audience fit

Audience Breakdown

Developers

Grok 4

API control, model details, and technical integration signals matter most.

Startups

Tie

Visible free or low-cost pricing is weighted heavily for early teams.

Enterprises

Tie

Team rollout favors packaged workflow context and visible public signals.

Marketers

Tie

Marketing fit favors finished workflow tools over raw model infrastructure.

Designers

Tie

Design teams usually benefit from packaged software and clear category fit.

Students

Tie

Student fit favors clear free-tier or low-cost public pricing signals.

Grouped specs

Comparison Matrix

Overview
Category
GLM-4.5 ✓ Multimodal
Grok 4 ✓ Multimodal
Provider
GLM-4.5 ✓ Zhipu AI
Grok 4 ✓ xAI
Launch year
GLM-4.5 ✓ 2025
Grok 4 ✓ 2026
Availability
GLM-4.5 ✓ Public website listed
Grok 4 ✓ Public website listed
API
GLM-4.5 × Not listed
Grok 4 × Not listed
Open source
GLM-4.5 × Not listed
Grok 4 × Not listed
Free tier
GLM-4.5 × Not listed
Grok 4 × Not listed
Enterprise support
GLM-4.5 × Not listed
Grok 4 × Not listed
Verified owner
GLM-4.5 - Not applicable for models
Grok 4 - Not applicable for models
Features
Integrations
GLM-4.5 × Not listed
Grok 4 × Not listed
Modality
GLM-4.5 ✓ Multimodal
Grok 4 ✓ Multimodal
Fine tuning
GLM-4.5 × Not listed
Grok 4 × Not listed
Context window
GLM-4.5 ✓ 128k
Grok 4 ✓ 256k
File upload
GLM-4.5 × Not listed
Grok 4 × Not listed
Memory
GLM-4.5 × Not listed
Grok 4 × Not listed
Agents
GLM-4.5 × Not listed
Grok 4 × Not listed
Image generation
GLM-4.5 × Not listed
Grok 4 × Not listed
Voice capabilities
GLM-4.5 × Not listed
Grok 4 × Not listed
Pricing
Free plan
GLM-4.5 × Not listed
Grok 4 × Not listed
Starter price
GLM-4.5 ✓ API-only
Grok 4 ✓ API-only
Team plan
GLM-4.5 - Not applicable for models
Grok 4 - Not applicable for models
Enterprise
GLM-4.5 - Not applicable for models
Grok 4 - Not applicable for models
Community
Reviews
GLM-4.5 - Not applicable for models
Grok 4 - Not applicable for models
Ratings
GLM-4.5 - Not applicable for models
Grok 4 - Not applicable for models
Saves
GLM-4.5 - Not applicable for models
Grok 4 - Not applicable for models

Concrete tradeoffs

Strengths & Weaknesses

GLM-4.5

Pros

  • ✓Context window: 128k.
  • ✓Modality: Multimodal.
  • ✓Pricing model: API-only.
  • ✓Built by Zhipu AI.

Cons

  • ×No confirmed limitations in the current TipJournal listing.

Grok 4

Pros

  • ✓Context window: 256k.
  • ✓Modality: Multimodal.
  • ✓Pricing model: API-only.
  • ✓Built by xAI.

Cons

  • ×No confirmed limitations in the current TipJournal listing.

Other options

Alternatives

G

GPT-5.5

OpenAI • 1.05M

Compare
G

GLM-4.7

Zhipu AI • 200k

Compare
C

Claude Opus 4.7

Anthropic • 1M

Compare

Decision questions

FAQ

Which is better, GLM-4.5 or Grok 4?

Neither option clearly leads from the public TipJournal data. Compare pricing, category, and capability fit before choosing.

Is GLM-4.5 or Grok 4 better for developers?

Tie is the better developer-oriented choice when API control, model details, or technical evaluation matter.

Is GLM-4.5 or Grok 4 better value?

The public pricing data does not show a clear value winner.

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