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Kimi K2 (0905) vs GLM 5.3 Flash

At a glance

September 2025 checkpoint of Kimi K2 with improved capabilities.

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$0.15/$0.50 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
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning & Knowledge
Graduate Science—
Math
Competition Math—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Cheaper78%
Reasoning & Knowledge
Graduate Science90.2%
Math
Competition Math93.9%
Specs
262K
Context
98K
Max output
Sep 2025
Released
1.0M
Context
256K
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
Live pricing, shown before you run
Input75%$0.15/M tokens
Output80%$0.50/M tokens
Cache read$0.03/M tokens
Chat with Kimi K2 (0905)Go to model
Chat with GLM 5.3 FlashGo to model
Frequently Asked Questions: Kimi K2 (0905) vs GLM 5.3 Flash▼

Which is better, Kimi K2 (0905) or GLM 5.3 Flash?

▼

Both Kimi K2 (0905) 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 (0905) or GLM 5.3 Flash?

▼

GLM 5.3 Flash has a lower blended cost. Kimi K2 (0905): $0.60 input / $2.50 output. GLM 5.3 Flash: $0.15 input / $0.50 output.

Which has a larger context window, Kimi K2 (0905) or GLM 5.3 Flash?

▼

GLM 5.3 Flash has a larger context window: Kimi K2 (0905) supports 262K tokens vs GLM 5.3 Flash at 1M tokens.

Do both Kimi K2 (0905) and GLM 5.3 Flash support vision?

▼

GLM 5.3 Flash supports vision/image input, but Kimi K2 (0905) does not.

What are the key differences between Kimi K2 (0905) and GLM 5.3 Flash?

▼

Key differences: GLM 5.3 Flash is significantly cheaper; only GLM 5.3 Flash supports vision input; only GLM 5.3 Flash offers extended reasoning mode. 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 (0905) and GLM 5.3 Flash for free on idapt.app to see which performs better for your specific needs.

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