Grok Code Fast vs Grok 3: 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
xAI
Grok 3
Pricing (per 1M tokens)
Input$3.00
Output$15.00
Cached Input$0.7500
Context & Output
Context Window131.1K tokens
Max Output16.4K tokens
Capabilities
Categoryflagship
Multimodaltext + image
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
Grok Code Fast
93.3% cheaper
Cheaper Output Price
Grok Code Fast
90.0% cheaper
Larger Context Window
Grok Code Fast
+124.9K 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
Grok 3
$18.00
$3.00/1M input + $15.00/1M output
Grok Code Fast is 90.6% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Grok Code Fast or Grok 3?
For input tokens, Grok Code Fast is cheaper at $0.2000 per 1M tokens. For output tokens, Grok Code Fast 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 Grok 3?
Grok Code Fast has a context window of 256K tokens, while Grok 3 has 131.1K tokens. Grok Code Fast supports a larger context window of 256K tokens, which is beneficial for processing longer documents.
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