Model Comparison
Grok-3 Mini vs Ministral 8B InstructWhich is better in 2026?
Comparing Grok-3 Mini and Ministral 8B Instruct across benchmarks, pricing, and capabilities.
Verdict: Grok-3 Mini vs Ministral 8B Instruct — which is better?
Grok-3 Mini (by xAI) and Ministral 8B Instruct (by Mistral AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
On price, Ministral 8B Instruct is roughly 3.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Choose Grok-3 Mini if…
- you want the most recent training data — it shipped Feb 2025
Choose Ministral 8B Instruct if…
- cost matters — it's about 3.5x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Grok-3 Mini and Ministral 8B Instruct don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Grok-3 Mini ($0.30/1M tokens) is 3.0x more expensive than Ministral 8B Instruct ($0.10/1M tokens).
For output processing, Grok-3 Mini ($0.50/1M tokens) is 5.0x more expensive than Ministral 8B Instruct ($0.10/1M tokens).
In conclusion, Grok-3 Mini is more expensive than Ministral 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 128,000 tokens. Ministral 8B Instruct can generate longer responses up to 128,000 tokens, while Grok-3 Mini is limited to 8,000 tokens.
Input Capabilities
Supported data types and modalities
Grok-3 Mini supports multimodal inputs, whereas Ministral 8B Instruct does not.
Grok-3 Mini can handle both text and other forms of data like images, making it suitable for multimodal applications.
Grok-3 Mini
Ministral 8B Instruct
License
Usage and distribution terms
Grok-3 Mini is licensed under a proprietary license, while Ministral 8B Instruct uses Mistral Research License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Mistral Research License
Open weights
Release Timeline
When each model was launched
Grok-3 Mini was released on 2025-02-17, while Ministral 8B Instruct was released on 2024-10-16.
Grok-3 Mini is 4 months newer than Ministral 8B Instruct.
Feb 17, 2025
1.3 years ago
4mo newerOct 16, 2024
1.6 years ago
Knowledge Cutoff
When training data ends
Grok-3 Mini has a documented knowledge cutoff of 2024-11-17, while Ministral 8B Instruct's cutoff date is not specified.
We can confirm Grok-3 Mini's training data extends to 2024-11-17, but cannot make a direct comparison without Ministral 8B Instruct's cutoff date.
Nov 2024
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Provider Availability
Grok-3 Mini is available from xAI. Ministral 8B Instruct is available from Mistral AI.
Grok-3 Mini
Ministral 8B Instruct
Outputs Comparison
Key Takeaways
Ministral 8B Instruct
View detailsMistral AI
Detailed Comparison
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FAQ
Common questions about Grok-3 Mini vs Ministral 8B Instruct.