Sunk Cost sunkcost.ai Data checked 2026-09-03

What hardware do you need to run Llama 3.3 70B Instruct?

Llama 3.3 70B Instruct at Q4_K_M is 43 GB of weights, with a context ceiling of 128k tokens. A solid generalist. Slower than the 30B MoE models for similar everyday quality.

Cheapest machine that runs itStrix Halo Framework Desktop, 128GB at $3,449
Shortest pay-backMac Studio M5 Max, 128GB — Pays back in 435 years
Fastest of the ones listedMac Studio M5 Ultra, 96GB — 17 tok/s at 32k context
Honest answer on costPays back in 1,274 years at 500k tokens a day.

How good is it, really?

On the Artificial Analysis Intelligence Index v4.3 it scores 8, which puts it in the Below every hosted tier band. Fine for simple, well-specified tasks. Noticeably less capable than anything the big labs sell today. Score source. See the whole table.

What it costs either way

Renting the same model costs $0.1 per million input tokens and $0.32 per million output (OpenRouter, cheapest active endpoint, checked 2026-09-03). Buying a machine only beats that if you use it hard enough, for long enough, that the hardware price divides down below the rental bill.

Machines that run it

MachinePriceSpeed at 32kPay-back
Strix Halo Framework Desktop, 128GB $3,449 4 tok/s measured Pays back in 1,274 years Run the numbers
DGX Spark GB10 Grace Blackwell, 128GB $4,699 3.8 tok/s estimated Never pays back Run the numbers
Mac Studio M5 Max, 128GB $5,099 8.6 tok/s estimated Pays back in 435 years Run the numbers
MacBook Pro M5 Max (16-inch), 128GB $6,999 8.6 tok/s estimated Pays back in 596 years Run the numbers

One machine per family, cheapest first. Speeds are measured where a public benchmark exists and estimated from memory bandwidth otherwise; the calculator says which for any configuration.

The specifics

Parameters
70.6B
Quantisation
Q4_K_M
Weights on disk
43 GB
KV cache
11 GB at 32k context
Maximum context
128k tokens (128k)
Licence
Llama 3.3 Community License
Sources
source 1, source 2