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Grok Build 0.1 vs Phi 4

At a glance
xAIGrok Build 0.1

xAI's agentic build model for autonomous software engineering.

256K ctx$1.00/$2.00 per M
MicrosoftPhi 4

Microsoft's compact research model with strong STEM reasoning.

6516K ctx$0.07/$0.14 per M#61/92
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
Graduate Science—
Math
Math Problems—Competition Math—
Coding
Real-World Coding70.8%
MicrosoftPhi 4
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI64.6
Reasoning & Knowledge
Graduate Science56.1%
Math
Math Problems64.9%Competition Math13.8%
Coding
Real-World Coding—
Specs
xAIGrok Build 0.1
256K
Context
16K
Max output
May 2026
Released
MicrosoftPhi 4
16K
Context
16K
Max output
Jan 2025
Released
Capabilities
xAIGrok Build 0.1
Vision
Audio
Reasoning
MicrosoftPhi 4
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
MicrosoftPhi 4
Live pricing, shown before you run
Input$0.07/M tokens
Output$0.14/M tokens
Chat with Grok Build 0.1Go to model
Chat with Phi 4Go to model
Frequently Asked Questions: Grok Build 0.1 vs Phi 4▼

Which is better, Grok Build 0.1 or Phi 4?

▼

Both Grok Build 0.1 and Phi 4 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 Phi 4?

▼

Phi 4 has a lower blended cost. Grok Build 0.1: $1.00 input / $2.00 output. Phi 4: $0.07 input / $0.14 output.

Which has a larger context window, Grok Build 0.1 or Phi 4?

▼

Grok Build 0.1 has a larger context window: Grok Build 0.1 supports 256K tokens vs Phi 4 at 16K tokens.

Do both Grok Build 0.1 and Phi 4 support vision?

▼

Grok Build 0.1 supports vision/image input, but Phi 4 does not.

What are the key differences between Grok Build 0.1 and Phi 4?

▼

Key differences: Phi 4 is significantly cheaper; only Grok Build 0.1 supports vision input; only Grok Build 0.1 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 Grok Build 0.1 and Phi 4 for free on idapt.app to see which performs better for your specific needs.

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