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Grok 4.1 Fast vs Mistral Large 3

Compare xAI and Mistral AI AI models

xAI
Grok 4.1 Fast
vs
Mistral AI
Mistral Large 3

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

Grok 4.1 Fast

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

Mistral Large 3

Per Request:$0.001250
Daily:$0.125
Monthly:$3.75
Yearly:$45.625

Cost Differences

+$0.000800
Per Request
+$0.08
Daily
+$2.40
Monthly
+$29.20
Yearly

Mistral Large 3 costs more than Grok 4.1 Fast

Feature Comparison

FeatureGrok 4.1 FastMistral Large 3
ProviderxAIMistral AI
Input Price$0.20/1M tokens$0.50/1M tokens
Output Price$0.50/1M tokens$1.50/1M tokens
Context Window2,000,000 tokens256,000 tokens
Max Output131,072 tokens32,768 tokens
Categoryefficientflagship
Capabilities
textreasoningcode
textcodereasoning
Release Date1/15/202612/2/2025

Grok 4.1 Fast vs Mistral Large 3: Which Should You Choose?

Choosing between Grok 4.1 Fast and Mistral Large 3 depends on your priorities: cost efficiency, context length, or raw capability. Grok 4.1 Fast is the more affordable option at $0.20/1M input tokens60% cheaper than Mistral Large 3. Meanwhile, Grok 4.1 Fast offers a significantly larger context window at 2,000,000 tokens vs 256,000 for Mistral Large 3.

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 4.1 Fast is a efficient model while Mistral Large 3 is flagship. This means they're optimized for different workloads. Mistral Large 3 targets more demanding workloads, while Grok 4.1 Fast provides a cost-effective option for everyday tasks.

Output costs matter too. Grok 4.1 Fast charges $0.50/1M output tokens vs $1.50 for Mistral Large 3. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Grok 4.1 Fast has the edge here at $0.50/1M output tokens.

Best Use Cases

Choose Grok 4.1 Fast when:

  • • Budget is a primary concern
  • • You need a larger context window (2,000,000 tokens)
  • • 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 Large 3 when:

  • • 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 4.1 Fast (xAI)

Mistral Large 3 (Mistral AI)

Start using Grok 4.1 Fast today

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Start using Mistral Large 3 today

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Frequently Asked Questions

Which is cheaper, Grok 4.1 Fast or Mistral Large 3?
Grok 4.1 Fast is cheaper for input tokens at $0.20 per million tokens vs $0.50 for Mistral Large 3 — that's 60% savings on input costs.
What is the context window difference between Grok 4.1 Fast and Mistral Large 3?
Grok 4.1 Fast supports 2,000,000 tokens while Mistral Large 3 supports 256,000 tokens — a difference of 1,744,000 tokens in favor of Grok 4.1 Fast.
Which model is better for AI Agent / Agentic Workflows?
Both models support text, code, reasoning. For ai agent / agentic workflows, Grok 4.1 Fast is the lower-cost option, while Grok 4.1 Fast offers a larger context window (2,000,000 vs 256,000 tokens). Choose Grok 4.1 Fast for budget sensitivity or Grok 4.1 Fast 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 4.1 Fast costs about $1.35/month and Mistral Large 3 costs about $3.75/month. Overall, Grok 4.1 Fast has lower combined input + output rates ($0.20 in, $0.50 out) vs Mistral Large 3.

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