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Grok Build 0.1 vs Gemini 2.5 Flash

At a glance
xAIGrok Build 0.1

xAI's agentic build model for autonomous software engineering.

256K ctx$1.00/$2.00 per M
GoogleGemini 2.5 Flash

Fast workhorse model with built-in thinking and audio support.

731.0M ctx$0.30/$2.50 per M#50/92
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—
Math
Research Math—
Coding
Real-World Coding70.8%
Agentic
Terminal Tasks—
GoogleGemini 2.5 Flash
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI72.9
Math
Research Math4.8%
Coding
Real-World Coding—
Agentic
Terminal Tasks17.1%
Specs
xAIGrok Build 0.1
256K
Context
16K
Max output
May 2026
Released
GoogleGemini 2.5 Flash
1.0M
Context
66K
Max output
Jun 2025
Released
Capabilities
xAIGrok Build 0.1
Vision
Audio
Reasoning
GoogleGemini 2.5 Flash
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
GoogleGemini 2.5 Flash
Live pricing, shown before you run
Input$0.30/M tokens
Output$2.50/M tokens
Reasoning$2.50/M tokens
Cache read$0.03/M tokens
Cache write$0.08/M tokens
Image input$0.30/M tokens
Audio input$1.00/M tokens
Web search$0.01/search
Chat with Grok Build 0.1Go to model
Chat with Gemini 2.5 FlashGo to model
Frequently Asked Questions: Grok Build 0.1 vs Gemini 2.5 Flash▼

Which is better, Grok Build 0.1 or Gemini 2.5 Flash?

▼

Both Grok Build 0.1 and Gemini 2.5 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, Grok Build 0.1 or Gemini 2.5 Flash?

▼

Gemini 2.5 Flash has a lower blended cost. Grok Build 0.1: $1.00 input / $2.00 output. Gemini 2.5 Flash: $0.30 input / $2.50 output.

Which has a larger context window, Grok Build 0.1 or Gemini 2.5 Flash?

▼

Gemini 2.5 Flash has a larger context window: Grok Build 0.1 supports 256K tokens vs Gemini 2.5 Flash at 1M tokens.

Do both Grok Build 0.1 and Gemini 2.5 Flash support vision?

▼

Yes, both Grok Build 0.1 and Gemini 2.5 Flash support vision/image input.

What are the key differences between Grok Build 0.1 and Gemini 2.5 Flash?

▼

Key differences: Gemini 2.5 Flash 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 Gemini 2.5 Flash for free on idapt.app to see which performs better for your specific needs.

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