Compare · ModelsLive · 2 picked · head to head

Llama 3-70B vs Llama 3 8B Instruct

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Llama 3-70B wins 14 of 15 shared benchmarks. Leads in knowledge · general · language.

Category leads
knowledge·Llama 3-70Bgeneral·Llama 3-70Blanguage·Llama 3-70Bmath·Llama 3-70Breasoning·Llama 3 8B Instruct
Hype vs Reality
Llama 3-70B
#243 by perf·#18 by attention
QUIET
Llama 3 8B Instruct
#248 by perf·#18 by attention
QUIET
Best value
Llama 3-70B
n/a
no price
Llama 3 8B Instruct
220.0 pts/$
$0.14/M
Vendor risk
Meta logo
Meta AI
$1.87T·Tier 1
Low risk
Meta logo
Meta AI
$1.87T·Tier 1
Low risk
Head to head
Llama 3-70BLlama 3 8B Instruct
ANLI
ANLI (Adversarial NLI) · adversarially constructed natural language inference dataset where each round targets weaknesses found in previous model generations.
Llama 3-70B
36.0
Llama 3 8B Instruct
36.0
ARC AI2
AI2 Reasoning Challenge · tests grade-school level science knowledge with multiple-choice questions requiring reasoning beyond simple retrieval.
Llama 3-70B
77.1
Llama 3 8B Instruct
77.1
GPQA diamond
Llama 3-70B leads by +19.3
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Llama 3-70B
20.8
Llama 3 8B Instruct
1.4
BBH (HuggingFace)
Llama 3-70B leads by +8.3
Llama 3-70B
26.7
Llama 3 8B Instruct
18.4
GPQA
Llama 3-70B leads by +5.9
Llama 3-70B
8.1
Llama 3 8B Instruct
2.1
IFEval
Llama 3-70B leads by +9.2
Llama 3-70B
33.2
Llama 3 8B Instruct
24.0
MATH Level 5
Llama 3-70B leads by +1.8
Llama 3-70B
5.7
Llama 3 8B Instruct
3.9
MMLU-PRO
Llama 3-70B leads by +6.3
Llama 3-70B
24.0
Llama 3 8B Instruct
17.8
MUSR
Llama 3 8B Instruct leads by +12.8
Llama 3-70B
7.1
Llama 3 8B Instruct
19.9
MATH level 5
Llama 3-70B leads by +16.4
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
Llama 3-70B
22.6
Llama 3 8B Instruct
6.1
MMLU
Llama 3-70B leads by +14.0
Massive Multitask Language Understanding · 57 subjects spanning STEM, humanities, social sciences, and more. The standard benchmark for broad knowledge.
Llama 3-70B
72.4
Llama 3 8B Instruct
58.4
OpenBookQA
OpenBookQA · science questions that require combining a given core fact with broad common knowledge, mimicking an open-book exam setting.
Llama 3-70B
76.8
Llama 3 8B Instruct
76.8
OTIS Mock AIME 2024-2025
Llama 3-70B leads by +3.5
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Llama 3-70B
4.2
Llama 3 8B Instruct
0.7
TriviaQA
TriviaQA · reading comprehension benchmark with trivia questions, requiring models to find and reason over evidence from provided documents.
Llama 3-70B
67.7
Llama 3 8B Instruct
67.7
Winogrande
Llama 3-70B leads by +15.6
WinoGrande · large-scale commonsense reasoning benchmark where models must resolve ambiguous pronouns in carefully constructed sentence pairs.
Llama 3-70B
67.0
Llama 3 8B Instruct
51.4
Full benchmark table
BenchmarkLlama 3-70BLlama 3 8B Instruct
ANLI
ANLI (Adversarial NLI) · adversarially constructed natural language inference dataset where each round targets weaknesses found in previous model generations.
36.036.0
ARC AI2
AI2 Reasoning Challenge · tests grade-school level science knowledge with multiple-choice questions requiring reasoning beyond simple retrieval.
77.177.1
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
20.81.4
BBH (HuggingFace)
26.718.4
GPQA
8.12.1
IFEval
33.224.0
MATH Level 5
5.73.9
MMLU-PRO
24.017.8
MUSR
7.119.9
MATH level 5
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
22.66.1
MMLU
Massive Multitask Language Understanding · 57 subjects spanning STEM, humanities, social sciences, and more. The standard benchmark for broad knowledge.
72.458.4
OpenBookQA
OpenBookQA · science questions that require combining a given core fact with broad common knowledge, mimicking an open-book exam setting.
76.876.8
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
4.20.7
TriviaQA
TriviaQA · reading comprehension benchmark with trivia questions, requiring models to find and reason over evidence from provided documents.
67.767.7
Winogrande
WinoGrande · large-scale commonsense reasoning benchmark where models must resolve ambiguous pronouns in carefully constructed sentence pairs.
67.051.4
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Meta logoLlama 3-70B————
Meta logoLlama 3 8B Instruct$0.14$0.148K tokens (~4 books)$1.40