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Grok 3 Mini vs Grok Code Fast 1

Grok 3 Mini vs Grok Code Fast 1: Grok Code Fast 1 is cheaper for input-heavy usage ($0.20/M vs $0.30/M input tokens), while Grok Code Fast 1 is better for long-context tasks (256,000 tokens).

Direct answer: choose Grok Code Fast 1 for lower token spend and choose Grok Code Fast 1 when your workload needs longer context.

Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.

xAI
Grok 3 Mini
vs
xAI
Grok Code Fast 1

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Grok 3 Mini

Per Request:$0.000550
Daily:$0.055
Monthly:$1.65
Yearly:$20.075

Grok Code Fast 1

Per Request:$0.000950
Daily:$0.095
Monthly:$2.85
Yearly:$34.675

Cost Differences

+$0.000400
Per Request
+$0.04
Daily
+$1.20
Monthly
+$14.60
Yearly

Grok Code Fast 1 costs more than Grok 3 Mini

Quick Recommendation

Winner for direct API pricing: Grok 3 Mini. At the default workload, Grok 3 Mini saves about $1.20/month ($14.60/year) versus Grok Code Fast 1.

Feature Comparison

FeatureGrok 3 MiniGrok Code Fast 1
ProviderxAIxAI
Input Price$0.30/1M tokens$0.20/1M tokens
Output Price$0.50/1M tokens$1.50/1M tokens
Context Window128,000 tokens256,000 tokens
Max Output131,072 tokens32,768 tokens
Categoryefficientstandard
Capabilities
textreasoningcode
textcodereasoning
Release Date2/17/20252/1/2026

Grok 3 Mini vs Grok Code Fast 1: Which Should You Choose?

Choosing between Grok 3 Mini and Grok Code Fast 1 depends on your priorities: cost efficiency, context length, or raw capability. Grok 3 Mini is the more affordable option at $0.30/1M input tokens. Meanwhile, Grok Code Fast 1 offers a significantly larger context window at 256,000 tokens vs 128,000 for Grok 3 Mini.

These models target different tiers: Grok 3 Mini is a efficient model while Grok Code Fast 1 is standard. This means they're optimized for different workloads. Grok Code Fast 1 targets more demanding workloads, while Grok 3 Mini provides a cost-effective option for everyday tasks.

Output costs matter too. Grok 3 Mini charges $0.50/1M output tokens vs $1.50 for Grok Code Fast 1. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Grok 3 Mini has the edge here at $0.50/1M output tokens.

Best Use Cases

Choose Grok 3 Mini when:

  • • You need longer outputs (up to 131,072 tokens)
  • • You're already using xAI's API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Choose Grok Code Fast 1 when:

  • • Budget is a primary concern
  • • You need a larger context window (256,000 tokens)
  • • You're already using xAI's API ecosystem

Pros and Caveats at a Glance

Grok 3 Mini

  • Input pricing: $0.30/M tokens
  • Output pricing: $0.50/M tokens
  • Context window: 128,000 tokens
  • Max output: 131,072 tokens

Watch out for

  • Higher input cost than Grok Code Fast 1
  • Smaller context window than Grok Code Fast 1

Grok Code Fast 1

  • Input pricing: $0.20/M tokens
  • Output pricing: $1.50/M tokens
  • Context window: 256,000 tokens
  • Max output: 32,768 tokens

Watch out for

  • Higher output cost than Grok 3 Mini

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Grok 3 Mini (xAI)

Grok Code Fast 1 (xAI)

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Frequently Asked Questions

Which is cheaper, Grok 3 Mini or Grok Code Fast 1?
Grok 3 Mini is cheaper for input tokens at $0.30 per million tokens vs $0.20 for Grok Code Fast 1.
What is the context window difference between Grok 3 Mini and Grok Code Fast 1?
Grok 3 Mini supports 128,000 tokens while Grok Code Fast 1 supports 256,000 tokens — a difference of 128,000 tokens in favor of Grok Code Fast 1.
Which model is better for AI Agent / Agentic Workflows?
Both models support text, code, reasoning. For ai agent / agentic workflows, Grok 3 Mini is the lower-cost option, while Grok Code Fast 1 offers a larger context window (256,000 vs 128,000 tokens). Choose Grok 3 Mini for budget sensitivity or Grok Code Fast 1 for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, Grok 3 Mini costs about $1.65/month and Grok Code Fast 1 costs about $2.85/month. Overall, Grok 3 Mini has lower combined input + output rates ($0.30 in, $0.50 out) vs Grok Code Fast 1.

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