Skip to main content
idapt
HomeAI ModelsPricing
Sign inStart free

Grok 4.20 vs GLM 5.2

At a glance
xAIGrok 4.20

xAI's newest flagship model with industry-leading speed and agentic tool calling.

862M ctx$1.25/$2.50 per M#12/92
Zhipu AIGLM 5.2

Z.ai's frontier reasoning model for long-context agents and software engineering.

83262K ctx$1.40/$4.40 per M#16/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
xAIGrok 4.20
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
SmarterCheaper
Capability
CapabilityECI85.7
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks57.3%Novel Reasoning65.1%
Zhipu AIGLM 5.2
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI83.4
Reasoning & Knowledge
Graduate Science91.9%Factual Recall38.1%
Math
Competition Math86.4%
Coding
Real-World Coding78.7%
Agentic
Terminal Tasks—Novel Reasoning—
Specs
xAIGrok 4.20
2M
Context
16K
Max output
Mar 2026
Released
Zhipu AIGLM 5.2
262K
Context
128K
Max output
Jun 2026
Released
Capabilities
xAIGrok 4.20
Vision
Audio
Reasoning
Zhipu AIGLM 5.2
Vision
Audio
Reasoning
Pricing
xAIGrok 4.20
Live pricing, shown before you run
Input$1.25/M tokens
Output$2.50/M tokens
Cache read$0.20/M tokens
Web search$0.005/search
Zhipu AIGLM 5.2
Live pricing, shown before you run
Input$1.40/M tokens
Output$4.40/M tokens
Cache read$0.26/M tokens
Chat with Grok 4.20Go to model
Chat with GLM 5.2Go to model
Frequently Asked Questions: Grok 4.20 vs GLM 5.2▼

Which is better, Grok 4.20 or GLM 5.2?

▼

Based on the Capability Index, Grok 4.20 scores higher (85.7 vs 83.4). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Grok 4.20 or GLM 5.2?

▼

Grok 4.20 has a lower blended cost. Grok 4.20: $1.25 input / $2.50 output. GLM 5.2: $1.40 input / $4.40 output.

Which has a larger context window, Grok 4.20 or GLM 5.2?

▼

Grok 4.20 has a larger context window: Grok 4.20 supports 2M tokens vs GLM 5.2 at 262K tokens.

Do both Grok 4.20 and GLM 5.2 support vision?

▼

Grok 4.20 supports vision/image input, but GLM 5.2 does not.

What are the key differences between Grok 4.20 and GLM 5.2?

▼

Key differences: only Grok 4.20 supports vision input. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Grok 4.20 and GLM 5.2 for free on idapt.app to see which performs better for your specific needs.

Open in App
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Voice Mode
  • Voice HUD
  • Web Search
  • Image Generation
  • Video Generation
  • Audio Generation
  • Transcription
  • Drive
  • Secrets
  • Sharing
  • Workspaces
  • Tasks
  • Memory
  • Agents
  • Subagents
  • Automations
  • Skills
  • Code Execution
  • Computers
  • Computer Use
  • Cloud Computers
  • Local AI
  • AI Gateway
  • API & SDK
  • CLI
  • MCP
  • Tunnels
  • All features →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Learn
  • Free tools
  • Prompts
  • Templates
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)