Grok 4.1 Fast vs Magistral Small
Compare xAI and Mistral AI AI models
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Grok 4.1 Fast
Magistral Small
Cost Differences
Magistral Small costs more than Grok 4.1 Fast
Feature Comparison
| Feature | Grok 4.1 Fast | Magistral Small |
|---|---|---|
| Provider | xAI | Mistral AI |
| Input Price | $0.20/1M tokens | $0.50/1M tokens |
| Output Price | $0.50/1M tokens | $1.50/1M tokens |
| Context Window | 2,000,000 tokens | 128,000 tokens |
| Max Output | 131,072 tokens | 16,384 tokens |
| Category | efficient | reasoning |
| Capabilities | textreasoningcode | textreasoning |
| Release Date | 1/15/2026 | 12/15/2025 |
Grok 4.1 Fast vs Magistral Small: Which Should You Choose?
Choosing between Grok 4.1 Fast and Magistral Small 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 tokens — 60% cheaper than Magistral Small. Meanwhile, Grok 4.1 Fast offers a significantly larger context window at 2,000,000 tokens vs 128,000 for Magistral Small.
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 Magistral Small is reasoning. This means they're optimized for different workloads. Magistral Small 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 Magistral Small. 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 more capabilities (code)
- • 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 Magistral Small 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)
Magistral Small (Mistral AI)
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