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GLM 5.1 vs Muse Spark 1.1

At a glance
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
MetaMuse Spark 1.1

Meta's multimodal reasoning model built for agentic work and real-world coding.

1.0M ctx$1.25/$4.25 per M
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Zhipu AIGLM 5.1
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI82.3
Reasoning & Knowledge
Graduate Science85.5%Expert-Level—Factual Recall37.3%
Math
Competition Math92.2%Research Math33.4%
Coding
Real-World Coding74.2%
Agentic
Terminal Tasks—
MetaMuse Spark 1.1
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-16
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Expert-Level52.2%Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks80.0%
Specs
Zhipu AIGLM 5.1
203K
Context
16K
Max output
Apr 2026
Released
MetaMuse Spark 1.1
1.0M
Context
16K
Max output
Jul 2026
Released
Capabilities
Zhipu AIGLM 5.1
Vision
Audio
Reasoning
MetaMuse Spark 1.1
Vision
Audio
Reasoning
Pricing
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
MetaMuse Spark 1.1
Live pricing, shown before you run
Input$1.25/M tokens
Output$4.25/M tokens
Cache read$0.15/M tokens
Web search$0.003/search
Chat with GLM 5.1Go to model
Chat with Muse Spark 1.1Go to model
Frequently Asked Questions: GLM 5.1 vs Muse Spark 1.1▼

Which is better, GLM 5.1 or Muse Spark 1.1?

▼

Both GLM 5.1 and Muse Spark 1.1 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, GLM 5.1 or Muse Spark 1.1?

▼

GLM 5.1 has a lower blended cost. GLM 5.1: $0.98 input / $3.08 output. Muse Spark 1.1: $1.25 input / $4.25 output.

Which has a larger context window, GLM 5.1 or Muse Spark 1.1?

▼

Muse Spark 1.1 has a larger context window: GLM 5.1 supports 203K tokens vs Muse Spark 1.1 at 1M tokens.

Do both GLM 5.1 and Muse Spark 1.1 support vision?

▼

Muse Spark 1.1 supports vision/image input, but GLM 5.1 does not.

What are the key differences between GLM 5.1 and Muse Spark 1.1?

▼

Key differences: only Muse Spark 1.1 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 GLM 5.1 and Muse Spark 1.1 for free on idapt.app to see which performs better for your specific needs.

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