GLM 4.5 Air vs Meta Llama 3.1 70 B Instruct: cost comparison
Prices updated 2026-10-28 · computed from live provider data
Short answer: Meta Llama 3.1 70 B Instruct is cheaper on a
3:1 input/output blend — $0.198 per million tokens versus
$0.310, a 36% difference.
GLM 4.5 Air offers the larger context window at 131,072 tokens, against 128,000 for Meta Llama 3.1 70 B Instruct.
Head to head
| GLM 4.5 Air | Meta Llama 3.1 70 B Instruct | |
|---|---|---|
| Input, per 1M tokens | $0.130 | $0.130 |
| Output, per 1M tokens | $0.850 | $0.400 |
| Blended 3:1, per 1M | $0.310 | $0.198 |
| Context window | 131,072 | 128,000 |
| Vendor | z-ai | nebius |
Monthly cost at real volumes
| Workload (input / output) | GLM 4.5 Air | Meta Llama 3.1 70 B Instruct |
|---|---|---|
| 1M in / 250K out | $0.343 | $0.230 |
| 10M in / 2.5M out | $3.42 | $2.30 |
| 100M in / 25M out | $34.25 | $23.00 |
Which should you pick?
Pick GLM 4.5 Air when you need the longer context window (131,072 vs 128,000 tokens). Pick Meta Llama 3.1 70 B Instruct when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.