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Llama 3.1 405B Instruct vs Phi 4
Comprehensive side-by-side LLM comparison
Llama 3.1 405B Instruct leads with 5.0% higher average benchmark score. Llama 3.1 405B Instruct offers 224.0K more tokens in context window than Phi 4. Phi 4 is $1.57 cheaper per million tokens. Llama 3.1 405B Instruct is available on 8 providers. Both models have their strengths depending on your specific coding needs.
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Meta
Llama 3.1 405B was developed as Meta's largest open-source language model, designed to provide frontier-level capabilities with 405 billion parameters. Built to demonstrate that open-source models can match proprietary systems in capability, it enables researchers and developers to experiment with and deploy a powerful foundation model without licensing restrictions.
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Microsoft
Phi-4 was introduced as the fourth generation of Microsoft's small language model series, designed to push the boundaries of what compact models can achieve. Built with advanced training techniques and architectural improvements, it demonstrates continued progress in efficient, high-quality language models.
4 months newer
Llama 3.1 405B Instruct
Meta
2024-07-23
Phi 4
Microsoft
2024-12-12
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Pricing Comparison
Cost per million tokens (USD)
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Llama 3.1 405B Instruct
Input:$0.89
Output:$0.89
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Phi 4
Input:$0.07
Output:$0.14($1.57 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 7 common benchmarks
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Llama 3.1 405B Instruct
Average Score:78.2%(+5.0%)
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Phi 4
Average Score:73.3%
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Knowledge Cutoff
Training data recency comparison
Phi 4
2024-06-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Llama 3.1 405B Instruct
8 providers
Bedrock
Throughput: 100 tok/s
Latency: 0.5ms
DeepInfra
Throughput: 27 tok/s
Latency: 0.5ms
Fireworks
Throughput: 78 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
Hyperbolic
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Llama 3.1 405B Instruct
Avg Score:78.2%(+5.0%)
Providers:8
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Phi 4
Avg Score:73.3%
Providers:1