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Llama 3.1 405B Instruct vs Phi 4 Reasoning Plus
Comprehensive side-by-side LLM comparison
Llama 3.1 405B Instruct leads with 21.5% higher average benchmark score. Llama 3.1 405B Instruct is available on 8 providers. Overall, Llama 3.1 405B Instruct is the stronger choice for coding tasks.
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Meta
Llama 3.1 405B Instruct is a language model developed by Meta. It achieves strong performance with an average score of 79.2% across 18 benchmarks. It excels particularly in ARC-C (96.9%), GSM8k (96.8%), API-Bank (92.0%). It supports a 256K token context window for handling large documents. The model is available through 8 API providers. Released in 2024, it represents Meta's latest advancement in AI technology.
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Microsoft
Phi 4 Reasoning Plus is a language model developed by Microsoft. It achieves strong performance with an average score of 78.9% across 11 benchmarks. It excels particularly in FlenQA (97.9%), HumanEval+ (92.3%), IFEval (84.9%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Microsoft's latest advancement in AI technology.
9 months newer
Llama 3.1 405B Instruct
Meta
2024-07-23
Phi 4 Reasoning Plus
Microsoft
2025-04-30
Performance Metrics
Context window and performance specifications
Average performance across 26 common benchmarks
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Llama 3.1 405B Instruct
Average Score:54.8%(+21.5%)
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Phi 4 Reasoning Plus
Average Score:33.4%
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Knowledge Cutoff
Training data recency comparison
Phi 4 Reasoning Plus
2025-03-01
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:54.8%(+21.5%)
Providers:8
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Phi 4 Reasoning Plus
Avg Score:33.4%
Providers:0