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Grok Build 0.1 vs Kimi K2.5

At a glance
xAIGrok Build 0.1

xAI's agentic build model for autonomous software engineering.

256K ctx$1.00/$2.00 per M
MoonshotAIKimi K2.5

MoonshotAI's native multimodal model with state-of-the-art visual coding.

80256K ctx$0.38/$2.02 per M#25/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
xAIGrok Build 0.1
Reasoning
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-06-15
Capability
Capability—
Reasoning & Knowledge
Expert-Level—
Coding
Real-World Coding70.8%
Agentic
Terminal Tasks—Novel Reasoning—
MoonshotAIKimi K2.5
Reasoning
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI80.3
Reasoning & Knowledge
Expert-Level24.4%
Coding
Real-World Coding73.8%
Agentic
Terminal Tasks43.2%Novel Reasoning11.8%
Specs
xAIGrok Build 0.1
256K
Context
16K
Max output
May 2026
Released
MoonshotAIKimi K2.5
256K
Context
16K
Max output
Jan 2026
Released
Capabilities
xAIGrok Build 0.1
Vision
Audio
Reasoning
MoonshotAIKimi K2.5
Vision
Audio
Reasoning
Pricing
xAIGrok Build 0.1
Live pricing, shown before you run
Input$1.00/M tokens
Output$2.00/M tokens
Cache read$0.20/M tokens
Web search$0.005/search
MoonshotAIKimi K2.5
Live pricing, shown before you run
Input$0.38/M tokens
Output$2.02/M tokens
Chat with Grok Build 0.1Go to model
Chat with Kimi K2.5Go to model
Frequently Asked Questions: Grok Build 0.1 vs Kimi K2.5▼

Which is better, Grok Build 0.1 or Kimi K2.5?

▼

Both Grok Build 0.1 and Kimi K2.5 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, Grok Build 0.1 or Kimi K2.5?

▼

Kimi K2.5 has a lower blended cost. Grok Build 0.1: $1.00 input / $2.00 output. Kimi K2.5: $0.38 input / $2.02 output.

Which has a larger context window, Grok Build 0.1 or Kimi K2.5?

▼

Grok Build 0.1 has a larger context window: Grok Build 0.1 supports 256K tokens vs Kimi K2.5 at 256K tokens.

Do both Grok Build 0.1 and Kimi K2.5 support vision?

▼

Yes, both Grok Build 0.1 and Kimi K2.5 support vision/image input.

Which has better coding performance, Grok Build 0.1 or Kimi K2.5?

▼

Kimi K2.5 scores higher on SWE-bench Verified: Grok Build 0.1 resolves 71% vs Kimi K2.5 at 74%.

What are the key differences between Grok Build 0.1 and Kimi K2.5?

▼

Key differences: 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 Grok Build 0.1 and Kimi K2.5 for free on idapt.app to see which performs better for your specific needs.

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