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GPT-4.5 vs Grok-3 Mini
Comprehensive side-by-side LLM comparison
Grok-3 Mini leads with 36.8% higher average benchmark score. Grok-3 Mini offers 3.9K more tokens in context window than GPT-4.5. Grok-3 Mini is $224.20 cheaper per million tokens. Overall, Grok-3 Mini is the stronger choice for coding tasks.
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OpenAI
GPT-4.5 was developed as an intermediate advancement between GPT-4 and GPT-5, designed to incorporate incremental improvements in reasoning, factuality, and instruction-following. Built to bridge generational capabilities while maintaining compatibility with existing applications, it represents a refinement of the GPT-4 architecture with enhanced performance characteristics.
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xAI
Grok 3 Mini was developed as an efficient version of Grok 3, designed to bring next-generation capabilities to resource-conscious deployments. Built to provide strong performance with practical efficiency, it extends Grok 3's innovations to broader application scenarios.
10 days newer
Grok-3 Mini
xAI
2025-02-17
GPT-4.5
OpenAI
2025-02-27
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Pricing Comparison
Cost per million tokens (USD)
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GPT-4.5
Input:$75.00
Output:$150.00
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Grok-3 Mini
Input:$0.30
Output:$0.50($224.20 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 2 common benchmarks
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GPT-4.5
Average Score:53.1%
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Grok-3 Mini
Average Score:89.9%(+36.8%)
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Knowledge Cutoff
Training data recency comparison
Grok-3 Mini
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-4.5
1 providers
OpenAI
Throughput: 50 tok/s
Latency: 20ms
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Grok-3 Mini
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GPT-4.5
Avg Score:53.1%
Providers:1
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Grok-3 Mini
Avg Score:89.9%(+36.8%)
Providers:1