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Kimi K2 Thinking vs GLM 5.3 Flash

At a glance

Kimi K2 with always-on extended reasoning for complex problem solving.

262K ctx$0.60/$2.50 per M

Z.ai's efficient multimodal model for fast coding and long-horizon agent tasks.

1.0M ctx$0.07/$0.25 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper89%
Specs
262K
Context
100K
Max output
Nov 2025
Released
1.0M
Context
131K
Max output
Aug 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$0.60/M tokens
Output$2.50/M tokens
Cache read$0.15/M tokens
Live pricing, shown before you run
Input88%$0.07/M tokens
Output90%$0.25/M tokens
Cache read90%$0.01/M tokens
Chat with Kimi K2 ThinkingGo to model
Chat with GLM 5.3 FlashGo to model
Frequently Asked Questions: Kimi K2 Thinking vs GLM 5.3 Flash▼

Which is better, Kimi K2 Thinking or GLM 5.3 Flash?

▼

Both Kimi K2 Thinking and GLM 5.3 Flash 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, Kimi K2 Thinking or GLM 5.3 Flash?

▼

GLM 5.3 Flash has a lower blended cost. Kimi K2 Thinking: $0.60 input / $2.50 output. GLM 5.3 Flash: $0.07 input / $0.25 output.

Which has a larger context window, Kimi K2 Thinking or GLM 5.3 Flash?

▼

GLM 5.3 Flash has a larger context window: Kimi K2 Thinking supports 262K tokens vs GLM 5.3 Flash at 1M tokens.

Do both Kimi K2 Thinking and GLM 5.3 Flash support vision?

▼

GLM 5.3 Flash supports vision/image input, but Kimi K2 Thinking does not.

What are the key differences between Kimi K2 Thinking and GLM 5.3 Flash?

▼

Key differences: GLM 5.3 Flash is significantly cheaper; only GLM 5.3 Flash 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 Kimi K2 Thinking and GLM 5.3 Flash for free on idapt.app to see which performs better for your specific needs.

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