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GPT-4.5 vs Llama 3.1 70B Instruct
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 10.8% higher average benchmark score. Llama 3.1 70B Instruct offers 123.9K more tokens in context window than GPT-4.5. Llama 3.1 70B Instruct is $224.60 cheaper per million tokens. GPT-4.5 supports multimodal inputs. Llama 3.1 70B Instruct is available on 9 providers. 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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Meta
Llama 3.1 70B was created as a balanced open-source model, designed to provide strong performance with 70 billion parameters while remaining practical for many deployment scenarios. Built to serve as a versatile foundation for fine-tuning and application development, it combines capability with accessibility in the open-source ecosystem.
7 months newer
Llama 3.1 70B Instruct
Meta
2024-07-23
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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Llama 3.1 70B Instruct
Input:$0.20
Output:$0.20($224.60 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
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GPT-4.5
Average Score:84.1%(+10.8%)
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Llama 3.1 70B Instruct
Average Score:73.3%
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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Llama 3.1 70B Instruct
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GPT-4.5
Avg Score:84.1%(+10.8%)
Providers:1
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Llama 3.1 70B Instruct
Avg Score:73.3%
Providers:9