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Grok Build 0.1 vs GLM 5.1

At a glance
xAIGrok Build 0.1

xAI's agentic build model for autonomous software engineering.

256K ctx$1.00/$2.00 per M
Zhipu AIGLM 5.1

Zhipu AI's most capable model with a major leap in coding and long-horizon task performance.

82203K ctx$0.98/$3.08 per M#19/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
xAIGrok Build 0.1
Reasoning
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-06-15
Cheaper
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding70.8%
Zhipu AIGLM 5.1
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI82.3
Reasoning & Knowledge
Graduate Science85.5%Factual Recall37.3%
Math
Competition Math92.2%Research Math33.4%
Coding
Real-World Coding74.2%
Specs
xAIGrok Build 0.1
256K
Context
16K
Max output
May 2026
Released
Zhipu AIGLM 5.1
203K
Context
16K
Max output
Apr 2026
Released
Capabilities
xAIGrok Build 0.1
Vision
Audio
Reasoning
Zhipu AIGLM 5.1
Vision
Audio
Reasoning
Pricing
xAIGrok Build 0.1
Live pricing, shown before you run
Input$1.00/M tokens
Output$2.00/M tokens
Cache read$0.20/M tokens
Web search$0.005/search
Zhipu AIGLM 5.1
Live pricing, shown before you run
Input$0.98/M tokens
Output$3.08/M tokens
Cache read$0.18/M tokens
Chat with Grok Build 0.1Go to model
Chat with GLM 5.1Go to model
Frequently Asked Questions: Grok Build 0.1 vs GLM 5.1▼

Which is better, Grok Build 0.1 or GLM 5.1?

▼

Both Grok Build 0.1 and GLM 5.1 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Grok Build 0.1 or GLM 5.1?

▼

Grok Build 0.1 has a lower blended cost. Grok Build 0.1: $1.00 input / $2.00 output. GLM 5.1: $0.98 input / $3.08 output.

Which has a larger context window, Grok Build 0.1 or GLM 5.1?

▼

Grok Build 0.1 has a larger context window: Grok Build 0.1 supports 256K tokens vs GLM 5.1 at 203K tokens.

Do both Grok Build 0.1 and GLM 5.1 support vision?

▼

Grok Build 0.1 supports vision/image input, but GLM 5.1 does not.

Which has better coding performance, Grok Build 0.1 or GLM 5.1?

▼

GLM 5.1 scores higher on SWE-bench Verified: Grok Build 0.1 resolves 71% vs GLM 5.1 at 74%.

What are the key differences between Grok Build 0.1 and GLM 5.1?

▼

Key differences: only Grok Build 0.1 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 Build 0.1 and GLM 5.1 for free on idapt.app to see which performs better for your specific needs.

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