Gemini 3.1 Pro vs Grok 4: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
Gemini 3.1 Pro
Pricing (per 1M tokens)
Input$2.00
Output$12.00
Cached Input$0.2000
Batch Input$1.00
Batch Output$6.00
Context & Output
Context Window1M tokens
Max Output65.5K tokens
Capabilities
Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
xAI
Grok 4
Pricing (per 1M tokens)
Input$3.00
Output$15.00
Cached Input$0.7500
Context & Output
Context Window256K tokens
Max Output32.8K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
Gemini 3.1 Pro
33.3% cheaper
Cheaper Output Price
Gemini 3.1 Pro
20.0% cheaper
Larger Context Window
Gemini 3.1 Pro
+744K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
Gemini 3.1 Pro
$14.00
$2.00/1M input + $12.00/1M output
Grok 4
$18.00
$3.00/1M input + $15.00/1M output
Gemini 3.1 Pro is 22.2% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Gemini 3.1 Pro or Grok 4?
For input tokens, Gemini 3.1 Pro is cheaper at $2.00 per 1M tokens. For output tokens, Gemini 3.1 Pro is cheaper at $12.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Gemini 3.1 Pro vs Grok 4?
Gemini 3.1 Pro has a context window of 1M tokens, while Grok 4 has 256K tokens. Gemini 3.1 Pro supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
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