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GPT-5 mini vs Grok-3
Comprehensive side-by-side LLM comparison
Grok-3 leads with 2.2% higher average benchmark score. GPT-5 mini offers 392.0K more tokens in context window than Grok-3. GPT-5 mini is $15.75 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
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xAI
Grok 3 was introduced as xAI's third-generation flagship model, designed to push the boundaries of reasoning, factual accuracy, and helpful assistance. Built to advance the state of AI capabilities, it incorporates improvements across language understanding, generation, and analytical thinking.
5 months newer
Grok-3
xAI
2025-02-17
GPT-5 mini
OpenAI
2025-08-07
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Pricing Comparison
Cost per million tokens (USD)
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GPT-5 mini
Input:$0.25
Output:$2.00($15.75 cheaper)
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Grok-3
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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GPT-5 mini
Average Score:86.7%
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Grok-3
Average Score:88.9%(+2.2%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 mini
2024-05-30
Grok-3
2024-11-17
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5 mini
2 providers
OpenAI
Throughput: 200 tok/s
Latency: 1ms
ZeroEval
Throughput: 200 tok/s
Latency: 1ms
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GPT-5 mini
Avg Score:86.7%
Providers:2
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Grok-3
Avg Score:88.9%(+2.2%)
Providers:1