Grok Code Fast vs Gemini 3.1 Flash Lite: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
xAI
Grok Code Fast
Pricing (per 1M tokens)
Input$0.2000
Output$1.50
Cached Input$0.0200
Context & Output
Context Window256K tokens
Max Output32.8K tokens
Capabilities
Categorymid
Multimodaltext
Fine-tuningNo
StreamingYes
Gemini 3.1 Flash Lite
Pricing (per 1M tokens)
Input$0.2500
Output$1.50
Cached Input$0.0250
Batch Input$0.1250
Batch Output$0.7500
Context & Output
Context Window1M tokens
Max Output65.5K tokens
Capabilities
Categorybudget
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
Grok Code Fast
20.0% cheaper
Cheaper Output Price
Gemini 3.1 Flash Lite
0.0% cheaper
Larger Context Window
Gemini 3.1 Flash Lite
+744K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
Grok Code Fast
$1.70
$0.2000/1M input + $1.50/1M output
Gemini 3.1 Flash Lite
$1.75
$0.2500/1M input + $1.50/1M output
Grok Code Fast is 2.9% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Grok Code Fast or Gemini 3.1 Flash Lite?
For input tokens, Grok Code Fast is cheaper at $0.2000 per 1M tokens. For output tokens, Gemini 3.1 Flash Lite is cheaper at $1.50 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Grok Code Fast vs Gemini 3.1 Flash Lite?
Grok Code Fast has a context window of 256K tokens, while Gemini 3.1 Flash Lite has 1M tokens. Gemini 3.1 Flash Lite supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
Need more tools?
Explore our complete suite of LLM calculators and comparison tools.