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Grok Build 0.1 vs GPT 4o

At a glance
xAIGrok Build 0.1

xAI's agentic build model for autonomous software engineering.

256K ctx$1.00/$2.00 per M
OpenAIGPT 4o

OpenAI's original omni model supporting text and image inputs.

63128K ctx$2.50/$10.00 per M#64/92
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
Cheaper
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Expert-Level—
Math
Math Problems—Competition Math—Research Math—
Coding
Real-World Coding70.8%Code Editing—
Agentic
Task Horizon—
OpenAIGPT 4o
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI63.0
Reasoning & Knowledge
Graduate Science49.2%Expert-Level2.7%
Math
Math Problems53.3%Competition Math6.4%Research Math0.3%
Coding
Real-World Coding31.0%Code Editing23.1%
Agentic
Task Horizon9min
Specs
xAIGrok Build 0.1
256K
Context
16K
Max output
May 2026
Released
OpenAIGPT 4o
128K
Context
16K
Max output
May 2024
Released
Capabilities
xAIGrok Build 0.1
Vision
Audio
Reasoning
OpenAIGPT 4o
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
OpenAIGPT 4o
Live pricing, shown before you run
Input$2.50/M tokens
Output$10.00/M tokens
Chat with Grok Build 0.1Go to model
Chat with GPT 4oGo to model
Frequently Asked Questions: Grok Build 0.1 vs GPT 4o▼

Which is better, Grok Build 0.1 or GPT 4o?

▼

Both Grok Build 0.1 and GPT 4o 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 GPT 4o?

▼

Grok Build 0.1 has a lower blended cost. Grok Build 0.1: $1.00 input / $2.00 output. GPT 4o: $2.50 input / $10.00 output.

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

▼

Grok Build 0.1 has a larger context window: Grok Build 0.1 supports 256K tokens vs GPT 4o at 128K tokens.

Do both Grok Build 0.1 and GPT 4o support vision?

▼

Yes, both Grok Build 0.1 and GPT 4o support vision/image input.

Which has better coding performance, Grok Build 0.1 or GPT 4o?

▼

Grok Build 0.1 scores higher on SWE-bench Verified: Grok Build 0.1 resolves 71% vs GPT 4o at 31%.

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

▼

Key differences: Grok Build 0.1 is significantly cheaper; 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 GPT 4o for free on idapt.app to see which performs better for your specific needs.

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