xAI Grok vs Mistral — AI API Pricing
Compare xAI Grok and Mistral models side by side. Mistral offers 20-200x cheaper pricing with EU data sovereignty. xAI has real-time X/Twitter data access.
Pricing data verified: May 29, 2026
All Models Compared
Every xAI Grok and Mistral model, ranked by input price.
| Model | Provider | Tier | Input (per 1M) | Output (per 1M) | Context |
|---|---|---|---|---|---|
| Mistral Small 4 | Mistral | Budget | $0.15 | $0.60 | 128K |
| Mistral Large 3 | Mistral | Mid | $0.50 | $1.50 | 128K |
| Grok Build 0.1 | xAI | Mid | $3.00 | $5.00 | 128K |
| Grok 4.3 | xAI | Premium | $30.00 | $150.00 | 128K |
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Which Should You Choose?
Budget Chatbot
High volume, short responses. Cost per message matters most. Need to keep monthly bills under $10.
Real-Time X/Twitter Data
Need access to real-time posts, trending topics, or X/Twitter-specific analysis.
EU Data Sovereignty
GDPR compliance, data must stay in EU. Regulatory requirements for European operations.
Premium Reasoning
Multi-step reasoning, nuanced analysis, research tasks. Quality and accuracy are paramount.
High-Volume Processing
Classification, extraction, summarization at scale. Volume in millions of requests.
Startup MVP
Minimize costs while building. Need reliable API at the lowest price point to validate ideas.
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Frequently Asked Questions
Is Mistral cheaper than xAI Grok?
Yes, dramatically. Mistral Small 4 ($0.15/$0.60 per 1M tokens) is 200x cheaper on input and 250x cheaper on output than Grok 4.3 ($1.25/$2.50). Even Mistral Large 3 ($0.50/$1.50) is 6x cheaper than Grok Build 0.1 ($0.30/$0.50). Mistral offers the best value for budget-conscious workloads.
When should I choose xAI Grok over Mistral?
Choose xAI Grok when you need real-time X/Twitter data access, prefer the Grok personality, or need xAI's specific capabilities. Grok 4.3 ($1.25/$2.50) is a premium model with strong reasoning. However, for pure cost efficiency, Mistral is 20-200x cheaper across all tiers.
Does Mistral have EU data sovereignty?
Yes. Mistral is a French company with EU-hosted infrastructure, making it the best choice for GDPR compliance and European data sovereignty requirements. xAI is US-based. If your workload requires EU data residency, Mistral is the clear choice.
Grok Build 0.1 vs Mistral Large 3: which is better?
Grok Build 0.1 ($0.30/$0.50) has stronger reasoning but costs 6x more than Mistral Large 3 ($0.50/$1.50). For chatbots and general tasks, Mistral Large 3 is far cheaper. For tasks requiring Grok's specific capabilities or real-time X data, Grok Build 0.1 may be worth the premium.
What is the cheapest xAI vs Mistral option?
Mistral Small 4 at $0.15/$0.60 per 1M tokens is the cheapest option — 200x cheaper than Grok 4.3. For 10M tokens/month, Mistral Small 4 costs $7.50 vs $1,500 for Grok 4.3. Even Grok Build 0.1 ($0.30/$0.50) costs $50/mo for the same usage vs $7.50 for Mistral Small 4.