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Grok 3 Mini vs Mistral Medium 3.1

Compare xAI and Mistral AI AI models

xAI
Grok 3 Mini
vs
Mistral AI
Mistral Medium 3.1

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

Mistral Medium 3.1

Per Request:$0.001400
Daily:$0.14
Monthly:$4.20
Yearly:$51.10

Cost Differences

+$0.000850
Per Request
+$0.085
Daily
+$2.55
Monthly
+$31.025
Yearly

Mistral Medium 3.1 costs more than Grok 3 Mini

Feature Comparison

FeatureGrok 3 MiniMistral Medium 3.1
ProviderxAIMistral AI
Input Price$0.30/1M tokens$0.40/1M tokens
Output Price$0.50/1M tokens$2.00/1M tokens
Context Window128,000 tokens131,072 tokens
Max Output131,072 tokens16,384 tokens
Categoryefficientbalanced
Capabilities
textreasoningcode
textcodereasoning
Release Date2/17/20258/1/2025

Grok 3 Mini vs Mistral Medium 3.1: Which Should You Choose?

Choosing between Grok 3 Mini and Mistral Medium 3.1 depends on your priorities: cost efficiency, context length, or raw capability. Grok 3 Mini is the more affordable option at $0.30/1M input tokens25% cheaper than Mistral Medium 3.1. Meanwhile, Mistral Medium 3.1 offers a significantly larger context window at 131,072 tokens vs 128,000 for Grok 3 Mini.

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 3 Mini is a efficient model while Mistral Medium 3.1 is balanced. This means they're optimized for different workloads. Mistral Medium 3.1 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 $2.00 for Mistral Medium 3.1. 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:

  • • Budget is a primary concern
  • • 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 Mistral Medium 3.1 when:

  • • You need a larger context window (131,072 tokens)
  • • You're already using Mistral AI's API ecosystem

Try Different Scenarios

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

Grok 3 Mini (xAI)

Mistral Medium 3.1 (Mistral AI)

Start using Grok 3 Mini today

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Start using Mistral Medium 3.1 today

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Frequently Asked Questions

Which is cheaper, Grok 3 Mini or Mistral Medium 3.1?
Grok 3 Mini is cheaper for input tokens at $0.30 per million tokens vs $0.40 for Mistral Medium 3.1 — that's 25% savings on input costs.
What is the context window difference between Grok 3 Mini and Mistral Medium 3.1?
Grok 3 Mini supports 128,000 tokens while Mistral Medium 3.1 supports 131,072 tokens — a difference of 3,072 tokens in favor of Mistral Medium 3.1.
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 Mistral Medium 3.1 offers a larger context window (131,072 vs 128,000 tokens). Choose Grok 3 Mini for budget sensitivity or Mistral Medium 3.1 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 Mistral Medium 3.1 costs about $4.20/month. Overall, Grok 3 Mini has lower combined input + output rates ($0.30 in, $0.50 out) vs Mistral Medium 3.1.

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