Llama 3.1 Instruct 405B: Intelligence, Performance & Price Analysis
Analysis of Meta's Llama 3.1 Instruct 405B and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more. Click on any model to compare API providers for that model. For more details including relating to our methodology, see our FAQs.
Comparison Summary
Intelligence:
Llama 3.1 405B is of higher quality compared to average, with a MMLU score of 0.732 and a Intelligence Index across evaluations of 40.
Price:Llama 3.1 405B is cheaper compared to average with a price of $3.50 per 1M Tokens (blended 3:1).
Llama 3.1 405B Input token price: $3.50, Output token price: $3.50 per 1M Tokens.
Speed:Llama 3.1 405B Input token price: $3.50, Output token price: $3.50 per 1M Tokens.
Llama 3.1 405B is slower compared to average, with a output speed of 31.6 tokens per second.
Latency:Llama 3.1 405B has a lower latency compared to average, taking 0.82s to receive the first token (TTFT).
Context Window:Llama 3.1 405B has a smaller context windows than average, with a context window of 130k tokens.
Highlights
Intelligence
Artificial Analysis Intelligence Index; Higher is better
Speed
Output Tokens per Second; Higher is better
Price
USD per 1M Tokens; Lower is better
Parallel Queries:
Prompt Length:
Llama 3.1 Instruct 405B Model Details
Comparisons to Llama 3.1 405B
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o4-mini (high)
o3-mini (high)
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GPT-4o (March 2025, chatgpt-4o-latest)
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Gemini 2.0 Flash (Feb '25)
Gemma 3 27B Instruct
Gemini 2.5 Flash Preview
Gemini 2.5 Pro Preview (Mar' 25)
Claude 3.7 Sonnet (Extended Thinking)
Mistral Large 2 (Nov '24)
DeepSeek R1
DeepSeek V3 0324 (Mar' 25)
Grok 3 mini Reasoning (high)
Grok 3
Nova Pro
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
Further details