Llama 3.1.8 B Instant vs Llama 3.3 70 B: cost comparison
Prices updated 2026-10-28 · computed from live provider data
Short answer: Llama 3.3 70 B is cheaper on a
3:1 input/output blend — $0.275 per million tokens versus
$0.275, a 0% difference.
Both offer the same 131,072-token context window, so cost is the deciding factor.
Head to head
| Llama 3.1.8 B Instant | Llama 3.3 70 B | |
|---|---|---|
| Input, per 1M tokens | $0.200 | $0.200 |
| Output, per 1M tokens | $0.500 | $0.500 |
| Blended 3:1, per 1M | $0.275 | $0.275 |
| Context window | 131,072 | 131,072 |
| Vendor | inferenceapis | inferenceapis |
Monthly cost at real volumes
| Workload (input / output) | Llama 3.1.8 B Instant | Llama 3.3 70 B |
|---|---|---|
| 1M in / 250K out | $0.325 | $0.325 |
| 10M in / 2.5M out | $3.25 | $3.25 |
| 100M in / 25M out | $32.50 | $32.50 |
Which should you pick?
Because the context windows are identical, the cheaper option is the better default. Choose Llama 3.3 70 B unless you are already standardised on inferenceapis tooling and want to avoid a second integration.