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Grok-3 vs Llama 3.1 70B Instruct
Comprehensive side-by-side LLM comparison
Llama 3.1 70B Instruct leads with 41.6% higher average benchmark score. Llama 3.1 70B Instruct offers 120.0K more tokens in context window than Grok-3. Llama 3.1 70B Instruct is $17.60 cheaper per million tokens. Grok-3 supports multimodal inputs. Llama 3.1 70B Instruct is available on 9 providers. Overall, Llama 3.1 70B Instruct is the stronger choice for coding tasks.
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xAI
Grok-3 is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 85.7% across 5 benchmarks. It excels particularly in AIME 2025 (93.3%), AIME 2024 (93.3%), GPQA (84.6%). 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 70B Instruct is a language model developed by Meta. It achieves strong performance with an average score of 74.7% across 18 benchmarks. It excels particularly in GSM-8K (CoT) (95.1%), ARC-C (94.8%), API-Bank (90.0%). It supports a 256K token context window for handling large documents. The model is available through 9 API providers. Released in 2024, it represents Meta's latest advancement in AI technology.
6 months newer
Llama 3.1 70B Instruct
Meta
2024-07-23
Grok-3
xAI
2025-02-17
Pricing Comparison
Cost per million tokens (USD)
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Grok-3
Input:$3.00
Output:$15.00
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Llama 3.1 70B Instruct
Input:$0.20
Output:$0.20($17.60 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 22 common benchmarks
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Grok-3
Average Score:19.5%
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Llama 3.1 70B Instruct
Average Score:61.1%(+41.6%)
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Knowledge Cutoff
Training data recency comparison
Grok-3
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
1 providers
xAI
Throughput: 100 tok/s
Latency: 0.7ms
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Llama 3.1 70B Instruct
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Grok-3
Avg Score:19.5%
Providers:1
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Llama 3.1 70B Instruct
Avg Score:61.1%(+41.6%)
Providers:9