Codestral vs Grok 4.1 Fast
Codestral vs Grok 4.1 Fast: Grok 4.1 Fast is cheaper for input-heavy usage ($0.20/M vs $0.30/M input tokens), while Grok 4.1 Fast is better for long-context tasks (2,000,000 tokens).
Direct answer: choose Grok 4.1 Fast for lower token spend and choose Grok 4.1 Fast 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.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Codestral
Grok 4.1 Fast
Cost Differences
Grok 4.1 Fast costs less than Codestral
Quick Recommendation
Winner for direct API pricing: Grok 4.1 Fast. At the default workload, Grok 4.1 Fast saves about $0.90/month ($10.95/year) versus Codestral.
Feature Comparison
| Feature | Codestral | Grok 4.1 Fast |
|---|---|---|
| Provider | Mistral AI | xAI |
| Input Price | $0.30/1M tokens | $0.20/1M tokens |
| Output Price | $0.90/1M tokens | $0.50/1M tokens |
| Context Window | 128,000 tokens | 2,000,000 tokens |
| Max Output | 32,768 tokens | 131,072 tokens |
| Category | balanced | efficient |
| Capabilities | textcode | textreasoningcode |
| Release Date | 7/30/2025 | 1/15/2026 |
Codestral vs Grok 4.1 Fast: Which Should You Choose?
Choosing between Codestral and Grok 4.1 Fast 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 — 33% cheaper than Codestral. Meanwhile, Grok 4.1 Fast offers a significantly larger context window at 2,000,000 tokens vs 128,000 for Codestral.
These models come from different providers — Mistral AI and xAI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with Mistral AI, switching to xAIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.
These models target different tiers: Codestral is a balanced model while Grok 4.1 Fast is efficient. This means they're optimized for different workloads. Grok 4.1 Fast targets more demanding workloads, while Codestral provides a cost-effective option for everyday tasks.
Output costs matter too. Codestral charges $0.90/1M output tokens vs $0.50 for Grok 4.1 Fast. 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 Codestral when:
- • You're already using Mistral AI's API ecosystem
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 (reasoning)
- • 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
Pros and Caveats at a Glance
Codestral
- • Input pricing: $0.30/M tokens
- • Output pricing: $0.90/M tokens
- • Context window: 128,000 tokens
- • Max output: 32,768 tokens
Watch out for
- • Higher input cost than Grok 4.1 Fast
- • Higher output cost than Grok 4.1 Fast
- • Smaller context window than Grok 4.1 Fast
Grok 4.1 Fast
- • Input pricing: $0.20/M tokens
- • Output pricing: $0.50/M tokens
- • Context window: 2,000,000 tokens
- • Max output: 131,072 tokens
Watch out for
- • Trade-offs are minor in this matchup.
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
Codestral (Mistral AI)
Grok 4.1 Fast (xAI)
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Which is cheaper, Codestral or Grok 4.1 Fast?▼
What is the context window difference between Codestral and Grok 4.1 Fast?▼
Which model is better for AI Chatbot?▼
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Where can I compare Mistral AI and xAI API pricing beyond this model matchup?▼
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