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Mistral AI Ministral 3 3B (Instruct) VS xAI Grok 4.5

✍️ 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 3B (Instruct) and Grok 4.5 directly in their respective provider playgrounds to see which fits your specific prompt styles best.
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Model Specs

Ministral 3 3B (Instruct)

Open SourceAPI Available

Benchmarks & Scores

Coding (swe-bench-pro)
N/A

excellent at multi-file repositories, autonomous agents, and industrial codebases

Reasoning (gpqa-diamond)
N/A

graduate-level science QA

Cost & Performance

Cost (per 1M tokens)30.0x cheaper
$0.10Input: $0.10 | Output: $0.10
Context Window
262.14k tokens
Model Specs

Grok 4.5

Benchmarks & Scores

Coding (swe-bench-pro)
64.7%

excellent at multi-file repositories, autonomous agents, and industrial codebases

Reasoning (gpqa-diamond)
93%

graduate-level science QA

Cost & Performance

Cost (per 1M tokens)
$3.00Input: $2.00 | Output: $6.00
Context WindowLarger
500k tokens

Frequently Asked Questions about Ministral 3 3B (Instruct) vs Grok 4.5 comparison

Ministral 3 3B (Instruct) is cheaper than Grok 4.5. Ministral 3 3B (Instruct) has a blended cost of $0.10/1M tokens, which is about 30.0x cheaper than Grok 4.5 at $3.00/1M tokens.