Kimi K2.5 vs Grok 4.5
MoonshotAI's native multimodal model with state-of-the-art visual coding.
xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
No captured outputs for these models yet.
Frequently Asked Questions: Kimi K2.5 vs Grok 4.5▼
Which is better, Kimi K2.5 or Grok 4.5?
▼
Based on the Capability Index, Grok 4.5 scores higher (88.5 vs 80.3). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Kimi K2.5 or Grok 4.5?
▼
Kimi K2.5 has a lower blended cost. Kimi K2.5: $0.38 input / $2.02 output. Grok 4.5: $2.00 input / $6.00 output.
Which has a larger context window, Kimi K2.5 or Grok 4.5?
▼
Grok 4.5 has a larger context window: Kimi K2.5 supports 256K tokens vs Grok 4.5 at 500K tokens.
Do both Kimi K2.5 and Grok 4.5 support vision?
▼
Yes, both Kimi K2.5 and Grok 4.5 support vision/image input.
What are the key differences between Kimi K2.5 and Grok 4.5?
▼
Key differences: Grok 4.5 has a notably higher capability index (8.2 point gap); Kimi K2.5 is significantly cheaper. 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 K2.5 and Grok 4.5 for free on idapt.app to see which performs better for your specific needs.