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Grok-3 Mini vs Llama 3.1 405B Instruct
Comprehensive side-by-side LLM comparison
Llama 3.1 405B Instruct leads with 51.2% higher average benchmark score. Llama 3.1 405B Instruct offers 120.0K more tokens in context window than Grok-3 Mini. Grok-3 Mini is $0.98 cheaper per million tokens. Grok-3 Mini supports multimodal inputs. 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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xAI
Grok-3 Mini is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 87.8% across 4 benchmarks. It excels particularly in AIME 2024 (95.8%), AIME 2025 (90.8%), GPQA (84.0%). It supports a 136K token context window for handling large documents. 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 xAI'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.
6 months newer
Llama 3.1 405B Instruct
Meta
2024-07-23
Grok-3 Mini
xAI
2025-02-17
Pricing Comparison
Cost per million tokens (USD)
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Grok-3 Mini
Input:$0.30
Output:$0.50($0.98 cheaper)
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Llama 3.1 405B Instruct
Input:$0.89
Output:$0.89
Performance Metrics
Context window and performance specifications
Average performance across 21 common benchmarks
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Grok-3 Mini
Average Score:16.7%
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Llama 3.1 405B Instruct
Average Score:67.9%(+51.2%)
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Knowledge Cutoff
Training data recency comparison
Grok-3 Mini
2024-11-17
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Grok-3 Mini
1 providers
xAI
Throughput: 100 tok/s
Latency: 0.7ms
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Llama 3.1 405B Instruct
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Grok-3 Mini
Avg Score:16.7%
Providers:1
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Llama 3.1 405B Instruct
Avg Score:67.9%(+51.2%)
Providers:8