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GLM 5.1 vs Kimi K3

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
MoonshotAIKimi K3

MoonshotAI's 2.8T-parameter flagship for complex coding, knowledge work, and long-horizon agent runs.

1.0M ctx$3.00/$15.00 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—
MoonshotAIKimi K3
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-16
Capability
Capability—
Reasoning & Knowledge
Graduate Science93.5%Expert-Level43.5%Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks88.3%
Specs
Zhipu AIGLM 5.1
203K
Context
16K
Max output
Apr 2026
Released
MoonshotAIKimi K3
1.0M
Context
16K
Max output
Jul 2026
Released
Capabilities
Zhipu AIGLM 5.1
Vision
Audio
Reasoning
MoonshotAIKimi K3
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
MoonshotAIKimi K3
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
Chat with GLM 5.1Go to model
Chat with Kimi K3Go to model
Frequently Asked Questions: GLM 5.1 vs Kimi K3▼

Which is better, GLM 5.1 or Kimi K3?

▼

Both GLM 5.1 and Kimi K3 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 Kimi K3?

▼

GLM 5.1 has a lower blended cost. GLM 5.1: $0.98 input / $3.08 output. Kimi K3: $3.00 input / $15.00 output.

Which has a larger context window, GLM 5.1 or Kimi K3?

▼

Kimi K3 has a larger context window: GLM 5.1 supports 203K tokens vs Kimi K3 at 1M tokens.

Do both GLM 5.1 and Kimi K3 support vision?

▼

Kimi K3 supports vision/image input, but GLM 5.1 does not.

What are the key differences between GLM 5.1 and Kimi K3?

▼

Key differences: GLM 5.1 is significantly cheaper; only Kimi K3 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 Kimi K3 for free on idapt.app to see which performs better for your specific needs.

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