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GPT-4.1 vs Llama 3.1 405B Instruct
Comprehensive side-by-side LLM comparison
GPT-4.1 leads with 6.2% higher average benchmark score. GPT-4.1 offers 824.3K more tokens in context window than Llama 3.1 405B Instruct. Llama 3.1 405B Instruct is $8.22 cheaper per million tokens. GPT-4.1 supports multimodal inputs. Llama 3.1 405B Instruct is available on 8 providers. Overall, GPT-4.1 is the stronger choice for coding tasks.
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OpenAI
GPT-4.1 is a multimodal language model developed by OpenAI. The model shows competitive results across 30 benchmarks. It excels particularly in MMLU (90.2%), CharXiv-D (87.9%), IFEval (87.4%). With a 1.1M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
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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.
8 months newer
Llama 3.1 405B Instruct
Meta
2024-07-23
GPT-4.1
OpenAI
2025-04-14
Pricing Comparison
Cost per million tokens (USD)
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GPT-4.1
Input:$2.00
Output:$8.00
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Llama 3.1 405B Instruct
Input:$0.89
Output:$0.89($8.22 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 45 common benchmarks
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GPT-4.1
Average Score:37.8%(+6.2%)
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Llama 3.1 405B Instruct
Average Score:31.7%
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Knowledge Cutoff
Training data recency comparison
GPT-4.1
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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GPT-4.1
1 providers
OpenAI
Throughput: 100 tok/s
Latency: 10ms
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Llama 3.1 405B Instruct
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GPT-4.1
Avg Score:37.8%(+6.2%)
Providers:1
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Llama 3.1 405B Instruct
Avg Score:31.7%
Providers:8