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Llama 3.1 8B

Intelligence, Performance & Price Analysis

Canonical slug: llama-3-1-instruct-8b · Canonical model registry at build time

Intelligence

8 score

Speed

143.7 output tokens/sec

Latency

1.00s TTFT

Input Price

$0.08 / 1M tokens

Output Price

$0.10 / 1M tokens

Executive Assessment

Routing Verdict & Tradeoffs

Ethen Routing Verdict

Budget-friendly / task-specific model

Llama 3.1 Instruct 8B scores 8 on the Artificial Analysis Intelligence Index, placing it above average among other open weight non-reasoning models of similar size (median: 6). Llama 3.1 Instruct 8B generates output at 143.7 tokens per second (based on the median across providers serving the model), which is well above average compared to other open weight non-reasoning models of similar size (median: 101.8 t/s). Llama 3.1 Instruct 8B costs $0.08 per 1M input tokens (very competitive, median: $0.15) and $0.10 per 1M output tokens (very competitive, median: $0.32), based on the median across providers serving the model.

Best for high-volume, simple, or domain-specific tasks where cost or speed matters more than deep reasoning.

Task Fit Assessment

WorkloadRatingNotes
Complex reasoning & agentic workflowssuboptimalIntelligence score 8 is better suited for straightforward tasks than multi-step reasoning.
High-volume chat & customer-facingoptimalOutput speed 143.7 tokens/sec is adequate for chat.
Latency-sensitive applicationsoptimalTTFT 1.00s — adequate latency for most interactive use cases.
Cost-sensitive pipelinesoptimalOutput pricing at $0.10 is very competitive for high-volume workloads.

Cost Pressure Analysis

Low

Pricing is competitive — input $0.08, output $0.10. Suitable for sustained production use.

Technical Specifications

Architecture and Limits

SpecificationValueValidation Authority
Model typeOpen weightsinferred
ReasoningNofaq
Input modalitiesLlama 3.1 Instruct 8B supports text only input.faq
Output modalitiesLlama 3.1 Instruct 8B supports text only output.faq
Context window130k tokensfaq
Open weights / sourceYes, Llama 3.1 Instruct 8B is open weights. The model weights are publicly available and can be downloaded for self-hosting.faq
ParametersLlama 3.1 Instruct 8B has 8 billion parameters.faq
LicenseLlama 3.1 Instruct 8B is released under the LLAMA 3.1 COMMUNITY LICENSE AGREEMENT license. This license allows commercial use.faq
Knowledge cutoffLlama 3.1 Instruct 8B has a knowledge cutoff of December 2023. The model's training data includes information up to this date.faq
API availabilityYes, Llama 3.1 Instruct 8B is available via API through 14 providers.faq

Evidence charts

Profile visualizations

Charts are the same canonical evidence cards previously published for this slug, contained inside the D18D page grammar.

AA-Omniscience Index

AA-Omniscience Index (higher is better) measures knowledge reliability and hallucination. It rewards correct answers, penalizes hallucinations, and has no penalty for refusing to answer. Scores range from -100 to 100, where 0 means as many correct as incorrect answers, and negative scores mean more incorrect than correct. · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

-200204060Claude Fable 5 (with fallback): 4040AClaude Fable 5 (with fal…Gemini 3.5 Flash: 2323GGemini 3.5 FlashGPT-5.5 (xhigh): 2020AIGPT-5.5 (xhigh)Grok 4.3 (high): 1818xGrok 4.3 (high)Kimi K2.6: 6.46.4KKimi K2.6Muse Spark: 4.14.1?Muse SparkGLM-5.2 (max): 44?GLM-5.2 (max)MiniMax-M3: 1.41.4?MiniMax-M3Nemotron 3 Ultra: -0.8-0.8NNemotron 3 UltraDeepSeek V4 Pro (max): -10-10DDeepSeek V4 Pro (max)

Artificial Analysis Intelligence Index by Open Weights / Proprietary

Artificial Analysis Intelligence Index v4.1 incorporates 9 evaluations: GDPval-AA v2, 𝜏³-Banking, Terminal-Bench v2.1, SciCode, Humanity's Last Exam, GPQA Diamond, CritPt, AA-Omniscience, AA-LCR · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0204060Claude Fable 5 (with fallback): 6060AClaude Fable 5 (with fal…GPT-5.5 (xhigh): 5555AIGPT-5.5 (xhigh)GLM-5.2 (max): 5151?GLM-5.2 (max)Gemini 3.5 Flash: 5050GGemini 3.5 FlashMiniMax-M3: 4444?MiniMax-M3DeepSeek V4 Pro (max): 4444DDeepSeek V4 Pro (max)Kimi K2.6: 4444KKimi K2.6Muse Spark: 4343?Muse SparkNemotron 3 Ultra: 3838NNemotron 3 UltraGrok 4.3 (high): 3838xGrok 4.3 (high)

Artificial Analysis Intelligence Index

Artificial Analysis Intelligence Index v4.1 incorporates 9 evaluations: GDPval-AA v2, 𝜏³-Banking, Terminal-Bench v2.1, SciCode, Humanity's Last Exam, GPQA Diamond, CritPt, AA-Omniscience, AA-LCR · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0204060Claude Fable 5 (with fallback): 6060AClaude Fable 5 (with fal…GPT-5.5 (xhigh): 5555AIGPT-5.5 (xhigh)GLM-5.2 (max): 5151?GLM-5.2 (max)Gemini 3.5 Flash: 5050GGemini 3.5 FlashMiniMax-M3: 4444?MiniMax-M3DeepSeek V4 Pro (max): 4444DDeepSeek V4 Pro (max)Kimi K2.6: 4444KKimi K2.6Muse Spark: 4343?Muse SparkNemotron 3 Ultra: 3838NNemotron 3 UltraGrok 4.3 (high): 3838xGrok 4.3 (high)

Artificial Analysis Openness Index: Score

Openness Index assesses model openness on a 0 to 100 normalized scale (higher is more open) · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

050100Nemotron 3 Ultra: 8383NNemotron 3 UltraGranite 4.1 30B: 6161?Granite 4.1 30BDeepSeek V4 Pro (max): 5050DDeepSeek V4 Pro (max)Gemma 3 27B: 5050?Gemma 3 27BGemma 3 12B: 5050?Gemma 3 12BGLM-5.2 (max): 4444?GLM-5.2 (max)gpt-oss-120b (high): 3939AIgpt-oss-120b (high)Qwen3.6 27B: 3939QQwen3.6 27BMistral Small 3.2: 3939MiMistral Small 3.2Kimi K2.6: 3333KKimi K2.6

Intelligence

Artificial Analysis Intelligence Index · Higher is better · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0204060Claude Fable 5 (with fallback): 6060AClaude Fable 5 (with fal…GPT-5.5 (xhigh): 5555AIGPT-5.5 (xhigh)GLM-5.2 (max): 5151?GLM-5.2 (max)Gemini 3.5 Flash: 5050GGemini 3.5 FlashMiniMax-M3: 4444?MiniMax-M3DeepSeek V4 Pro (max): 4444DDeepSeek V4 Pro (max)Kimi K2.6: 4444KKimi K2.6Muse Spark: 4343?Muse SparkNemotron 3 Ultra: 3838NNemotron 3 UltraGrok 4.3 (high): 3838xGrok 4.3 (high)

Output Speed

Output tokens per second · Higher is better · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

088175263350gpt-oss-120b (high): 314314AIgpt-oss-120b (high)Nemotron 3 Ultra: 250250NNemotron 3 UltraGLM-5.2 (max): 218218?GLM-5.2 (max)Gemini 3.5 Flash: 192192GGemini 3.5 FlashMistral Small 3.1: 171171MiMistral Small 3.1Grok 4.3 (high): 164164xGrok 4.3 (high)Mistral Small 3.2: 147147MiMistral Small 3.2Llama 3.1 8B: 144144MLlama 3.1 8BMiniMax-M3: 9999?MiniMax-M3Ministral 3 8B: 9393?Ministral 3 8B

Speed

Output tokens per second · Higher is better · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

088175263350gpt-oss-120b (high): 314314AIgpt-oss-120b (high)Nemotron 3 Ultra: 250250NNemotron 3 UltraGLM-5.2 (max): 218218?GLM-5.2 (max)Gemini 3.5 Flash: 192192GGemini 3.5 FlashGrok 4.3 (high): 164164xGrok 4.3 (high)Llama 3.1 8B: 144144MLlama 3.1 8BMiniMax-M3: 9999?MiniMax-M3GPT-5.5 (xhigh): 8888AIGPT-5.5 (xhigh)Kimi K2.6: 7676KKimi K2.6DeepSeek V4 Pro (max): 7272DDeepSeek V4 Pro (max)

End-to-End Response Time

Seconds to output 500 tokens, including reasoning model 'thinking' time · Lower is better · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0s2.5s5s7.5s10sQwen3.6 27B: 8.3s8.3sQQwen3.6 27BDevstral Small 2: 7.4s7.4s?Devstral Small 2Claude Fable 5 (with fallback): 7.1s7.1sAClaude Fable 5 (with fal…DeepSeek V4 Pro (max): 7s7sDDeepSeek V4 Pro (max)Kimi K2.6: 6.6s6.6sKKimi K2.6Ministral 3 14B: 6.4s6.4s?Ministral 3 14BGPT-5.5 (xhigh): 5.7s5.7sAIGPT-5.5 (xhigh)Ministral 3 8B: 5.4s5.4s?Ministral 3 8BMiniMax-M3: 5s5s?MiniMax-M3Llama 3.1 8B: 3.5s3.5sMLlama 3.1 8B

Latency: Time To First Answer Token

Seconds to first answer token received · Accounts for reasoning model 'thinking' time · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0s25s50s75s100sDeepSeek V4 Pro (max): 61s61sDDeepSeek V4 Pro (max)Kimi K2.6: 58s58sKKimi K2.6MiniMax-M3: 20s20s?MiniMax-M3GLM-5.2 (max): 9.2s9.2s?GLM-5.2 (max)Nemotron 3 Ultra: 9.1s9.1sNNemotron 3 Ultragpt-oss-120b (high): 6.4s6.4sAIgpt-oss-120b (high)Mistral Small 3.2: 0s0sMiMistral Small 3.2Mistral Small 3.1: 0s0sMiMistral Small 3.1Ministral 3 8B: 0s0s?Ministral 3 8BMinistral 3 14B: 0s0s?Ministral 3 14B

Context Window

Context window: tokens limit · Higher is better · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0250k500k750k1MGemini 3.5 Flash: 1M1MGGemini 3.5 FlashClaude Fable 5 (with fallback): 1M1MAClaude Fable 5 (with fal…GLM-5.2 (max): 1M1M?GLM-5.2 (max)DeepSeek V4 Pro (max): 1M1MDDeepSeek V4 Pro (max)Grok 4.3 (high): 1M1MxGrok 4.3 (high)MiniMax-M3: 1M1M?MiniMax-M3GPT-5.5 (xhigh): 922k922kAIGPT-5.5 (xhigh)Nemotron 3 Ultra: 262k262kNNemotron 3 UltraMuse Spark: 262k262k?Muse SparkQwen3.6 27B: 262k262kQQwen3.6 27B

Cost per Intelligence Index Task

Weighted average cost (USD) per Artificial Analysis Intelligence Index task, segmented by token type. Lower is better · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

00.51Claude Fable 5 (with fallback): 0.40.4AClaude Fable 5 (with fal…GPT-5.5 (xhigh): 0.10.1AIGPT-5.5 (xhigh)Gemini 3.5 Flash: 0.10.1GGemini 3.5 FlashQwen3.6 27B: 00QQwen3.6 27BGLM-5.2 (max): 00?GLM-5.2 (max)Kimi K2.6: 00KKimi K2.6Nemotron 3 Ultra: 00NNemotron 3 UltraMiniMax-M3: 00?MiniMax-M3Grok 4.3 (high): 00xGrok 4.3 (high)DeepSeek V4 Pro (max): 00DDeepSeek V4 Pro (max)

Cost per Task

Weighted average cost (USD) per Intelligence Index task · Lower is better · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

$0.00$1.00$2.00$3.00$4.00$5.00Claude Fable 5 (with fallback): $2.75$2.75AClaude Fable 5 (with fal…GPT-5.5 (xhigh): $0.86$0.86AIGPT-5.5 (xhigh)Gemini 3.5 Flash: $0.59$0.59GGemini 3.5 FlashGLM-5.2 (max): $0.37$0.37?GLM-5.2 (max)Kimi K2.6: $0.35$0.35KKimi K2.6Nemotron 3 Ultra: $0.24$0.24NNemotron 3 UltraGrok 4.3 (high): $0.14$0.14xGrok 4.3 (high)MiniMax-M3: $0.12$0.12?MiniMax-M3gpt-oss-120b (high): $0.06$0.06AIgpt-oss-120b (high)DeepSeek V4 Pro (max): $0.04$0.04DDeepSeek V4 Pro (max)

Cost to Run Artificial Analysis Intelligence Index

Cost (USD) to run all evaluations in the Artificial Analysis Intelligence Index · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0200400600Claude Fable 5 (with fallback): 508508AClaude Fable 5 (with fal…GPT-5.5 (xhigh): 132132AIGPT-5.5 (xhigh)Gemini 3.5 Flash: 114114GGemini 3.5 FlashQwen3.6 27B: 8888QQwen3.6 27BNemotron 3 Ultra: 3434NNemotron 3 UltraGLM-5.2 (max): 3333?GLM-5.2 (max)Kimi K2.6: 2525KKimi K2.6MiniMax-M3: 1515?MiniMax-M3Grok 4.3 (high): 1313xGrok 4.3 (high)DeepSeek V4 Pro (max): 7.27.2DDeepSeek V4 Pro (max)

Pricing: Cache Hit, Input, and Output

Price (USD per M Tokens) · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0250k500k750k1MClaude Fable 5 (with fallback): 6161AClaude Fable 5 (with fal…GPT-5.5 (xhigh): 3636AIGPT-5.5 (xhigh)Gemini 3.5 Flash: 1111GGemini 3.5 FlashGLM-5.2 (max): 6.16.1?GLM-5.2 (max)Kimi K2.6: 5.15.1KKimi K2.6Qwen3.6 27B: 4.24.2QQwen3.6 27BGrok 4.3 (high): 44xGrok 4.3 (high)Nemotron 3 Ultra: 3.63.6NNemotron 3 UltraMiniMax-M3: 1.61.6?MiniMax-M3DeepSeek V4 Pro (max): 1.31.3DDeepSeek V4 Pro (max)cache Hitinputoutput

Time per Intelligence Index Task

Weighted average decode time (minutes) per task; excludes TTFT and overhead time · Lower is better · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0510Kimi K2.6: 8.28.2KKimi K2.6DeepSeek V4 Pro (max): 6.86.8DDeepSeek V4 Pro (max)Claude Fable 5 (with fallback): 4.84.8AClaude Fable 5 (with fal…MiniMax-M3: 3.93.9?MiniMax-M3GPT-5.5 (xhigh): 33AIGPT-5.5 (xhigh)Qwen3.6 27B: 33QQwen3.6 27BGLM-5.2 (max): 2.82.8?GLM-5.2 (max)Ministral 3 8B: 2.52.5?Ministral 3 8BMinistral 3 14B: 2.22.2?Ministral 3 14BGemini 3.5 Flash: 2.22.2GGemini 3.5 Flash

Model Size: Total and Active Parameters

Comparison between total model parameters and parameters active during inference · Evaluation results measured independently by Artificial Analysis

Retrieved 2026-07-08

Chart source and provenance are listed in Methodology & sources below.

Retrieval date:
2026-07-08
Methodology:
Independent test run by Artificial Analysis on dedicated hardware.

0250k500k750k1MDeepSeek V4 Pro (max): 1.6k1.6kDDeepSeek V4 Pro (max)Kimi K2.6: 1k1kKKimi K2.6GLM-5.2 (max): 753753?GLM-5.2 (max)Nemotron 3 Ultra: 550550NNemotron 3 UltraMiniMax-M3: 428428?MiniMax-M3gpt-oss-120b (high): 117117AIgpt-oss-120b (high)EXAONE 4.5 33B: 3434?EXAONE 4.5 33BGranite 4.1 30B: 3030?Granite 4.1 30BQwen3.6 27B: 2828QQwen3.6 27BGemma 3 27B: 2727?Gemma 3 27Bpassive Paramsactive Params

Methodology

Methodology & Provenance

This page is rendered from the normalized profile and page JSON for Llama 3.1 8B.

Benchmark values are preserved as normalized; only layout, disclosure ordering, and typography are adjusted for readability.

Frequently Asked Questions

Model FAQs & Technical Disclosures

Llama 3.1 Instruct 8B was released on July 23, 2024.