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Grok Code Fast 1 vs Mistral Small 4

Compare xAI and Mistral AI AI models

xAI
Grok Code Fast 1
vs
Mistral AI
Mistral Small 4

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

Grok Code Fast 1

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

Mistral Small 4

Per Request:$0.000450
Daily:$0.045
Monthly:$1.35
Yearly:$16.425

Cost Differences

$0.000500
Per Request
$0.05
Daily
$1.50
Monthly
$18.25
Yearly

Mistral Small 4 costs less than Grok Code Fast 1

Feature Comparison

FeatureGrok Code Fast 1Mistral Small 4
ProviderxAIMistral AI
Input Price$0.20/1M tokens$0.15/1M tokens
Output Price$1.50/1M tokens$0.60/1M tokens
Context Window256,000 tokens128,000 tokens
Max Output32,768 tokens16,384 tokens
Categorystandardefficient
Capabilities
textcodereasoning
textvisioncodereasoning
Release Date2/1/20263/18/2026

Grok Code Fast 1 vs Mistral Small 4: Which Should You Choose?

Choosing between Grok Code Fast 1 and Mistral Small 4 depends on your priorities: cost efficiency, context length, or raw capability. Mistral Small 4 is the more affordable option at $0.15/1M input tokens25% cheaper than Grok Code Fast 1. Meanwhile, Grok Code Fast 1 offers a significantly larger context window at 256,000 tokens vs 128,000 for Mistral Small 4.

These models come from different providers — xAI and Mistral AI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with xAI, switching to Mistral AIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

These models target different tiers: Grok Code Fast 1 is a standard model while Mistral Small 4 is efficient. This means they're optimized for different workloads. Mistral Small 4 targets more demanding workloads, while Grok Code Fast 1 provides a cost-effective option for everyday tasks.

Output costs matter too. Grok Code Fast 1 charges $1.50/1M output tokens vs $0.60 for Mistral Small 4. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Mistral Small 4 has the edge here at $0.60/1M output tokens.

Multimodal capabilities: Mistral Small 4 supports vision (image inputs) while Grok Code Fast 1 is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose Grok Code Fast 1 when:

  • • You need a larger context window (256,000 tokens)
  • • You need longer outputs (up to 32,768 tokens)
  • • You're already using xAI's API ecosystem

Choose Mistral Small 4 when:

  • • Budget is a primary concern
  • • You need more capabilities (vision)
  • • You're already using Mistral AI's API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Try Different Scenarios

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

Grok Code Fast 1 (xAI)

Mistral Small 4 (Mistral AI)

Start using Grok Code Fast 1 today

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Start using Mistral Small 4 today

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Frequently Asked Questions

Which is cheaper, Grok Code Fast 1 or Mistral Small 4?
Mistral Small 4 is cheaper for input tokens at $0.15 per million tokens vs $0.20 for Grok Code Fast 1 — that's 25% savings on input costs.
What is the context window difference between Grok Code Fast 1 and Mistral Small 4?
Grok Code Fast 1 supports 256,000 tokens while Mistral Small 4 supports 128,000 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, Mistral Small 4 is the lower-cost option, while Grok Code Fast 1 offers a larger context window (256,000 vs 128,000 tokens). Choose Mistral Small 4 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 Code Fast 1 costs about $2.85/month and Mistral Small 4 costs about $1.35/month. Overall, Mistral Small 4 has lower combined input + output rates ($0.15 in, $0.60 out) vs Grok Code Fast 1.

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