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GPT-4.5 vs Pixtral-12B
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 20.3% higher average benchmark score. Pixtral-12B offers 4.1K more tokens in context window than GPT-4.5. Pixtral-12B is $224.70 cheaper per million tokens. Overall, GPT-4.5 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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Mistral AI
Pixtral 12B was introduced as Mistral's multimodal vision-language model, designed to understand and reason about both images and text. Built with 12 billion parameters for integrated visual and textual processing, it extends Mistral's capabilities into multimodal applications.
5 months newer
Pixtral-12B
Mistral AI
2024-09-17
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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Pixtral-12B
Input:$0.15
Output:$0.15($224.70 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 5 common benchmarks
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GPT-4.5
Average Score:82.9%(+20.3%)
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Pixtral-12B
Average Score:62.6%
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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Pixtral-12B
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GPT-4.5
Avg Score:82.9%(+20.3%)
Providers:1
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Pixtral-12B
Avg Score:62.6%
Providers:1