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Mistral AIMinistral 3 8BVSxAIGrok 4.20

Analysis by:the whichllmmodel Editorial Team|Updated: June 2026

Our Take

Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Ministral 3 8B and Grok 4.20 directly in their respective provider playgrounds to see which fits your specific prompt styles best.
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Model Specs

Ministral 3 8B

Open SourceAPI Available

Benchmarks & Scores

Coding (swe-bench-pro)
N/A

complex codebases, multi-file repositories, and architectural planning

Reasoning (gpqa-diamond)
N/A

graduate-level science QA

Cost & Context

Cost (per 1M tokens)20.0x cheaper
$0.15Input: $0.15 | Output: $0.15
Context Window
262.14k tokens
Model Specs

Grok 4.20

Benchmarks & Scores

Coding (swe-bench-pro)
51.8%

complex codebases, multi-file repositories, and architectural planning

Reasoning (gpqa-diamond)
90%

graduate-level science QA

Cost & Context

Cost (per 1M tokens)
$3.00Input: $2.00 | Output: $6.00
Context WindowLarger
1.05M tokens

Frequently Asked Questions about Ministral 3 8B vs Grok 4.20

Ministral 3 8B is cheaper than Grok 4.20. Ministral 3 8B has a blended cost of $0.15/1M tokens, which is about 20.0x cheaper than Grok 4.20 at $3.00/1M tokens.

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