Compare · ModelsLive · 2 picked · head to head
Llama 3.1 405B vs Meta Llama 3 8B Instruct
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Meta Llama 3 8B Instruct wins on 4/6 benchmarks
Meta Llama 3 8B Instruct wins 4 of 6 shared benchmarks. Leads in general · language · math.
Category leads
general·Meta Llama 3 8B Instructknowledge·Llama 3.1 405Blanguage·Meta Llama 3 8B Instructmath·Meta Llama 3 8B Instructreasoning·Llama 3.1 405B
Hype vs Reality
Attention vs performance
Llama 3.1 405B
#219 by perf·no signal
Meta Llama 3 8B Instruct
#173 by perf·no signal
Best value
Pricing unknown
Llama 3.1 405B
n/a
no price
Meta Llama 3 8B Instruct
n/a
no price
Vendor risk
Who is behind the model
Meta AI
$1.65T·Tier 1
Meta AI
$1.65T·Tier 1
Head to head
6 benchmarks · 2 models
Llama 3.1 405BMeta Llama 3 8B Instruct
BBH (HuggingFace)
Meta Llama 3 8B Instruct leads by +20.5
Llama 3.1 405B
7.8
Meta Llama 3 8B Instruct
28.2
GPQA
Llama 3.1 405B leads by +4.7
Llama 3.1 405B
5.9
Meta Llama 3 8B Instruct
1.2
IFEval
Meta Llama 3 8B Instruct leads by +55.9
Llama 3.1 405B
18.1
Meta Llama 3 8B Instruct
74.1
MATH Level 5
Meta Llama 3 8B Instruct leads by +8.7
Llama 3.1 405B
0.0
Meta Llama 3 8B Instruct
8.7
MMLU-PRO
Meta Llama 3 8B Instruct leads by +3.9
Llama 3.1 405B
25.7
Meta Llama 3 8B Instruct
29.6
MUSR
Llama 3.1 405B leads by +0.6
Llama 3.1 405B
2.2
Meta Llama 3 8B Instruct
1.6
Full benchmark table
| Benchmark | Llama 3.1 405B | Meta Llama 3 8B Instruct |
|---|---|---|
BBH (HuggingFace) | 7.8 | 28.2 |
GPQA | 5.9 | 1.2 |
IFEval | 18.1 | 74.1 |
MATH Level 5 | 0.0 | 8.7 |
MMLU-PRO | 25.7 | 29.6 |
MUSR | 2.2 | 1.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| n/a | n/a | n/a | n/a | |
| n/a | n/a | n/a | n/a |