GLM 5.3 Flash vs Llama 3.2.1 B Instruct: cost comparison
Prices updated 2026-10-31 · computed from live provider data
Short answer: GLM 5.3 Flash is cheaper on a
3:1 input/output blend — $0.048 per million tokens versus
$0.070, a 32% difference.
GLM 5.3 Flash offers the larger context window at 1,048,576 tokens, against 60,000 for Llama 3.2.1 B Instruct.
Head to head
| GLM 5.3 Flash | Llama 3.2.1 B Instruct | |
|---|---|---|
| Input, per 1M tokens | $0.026 | $0.027 |
| Output, per 1M tokens | $0.114 | $0.201 |
| Blended 3:1, per 1M | $0.048 | $0.070 |
| Context window | 1,048,576 | 60,000 |
| Vendor | z-ai | meta-llama |
Monthly cost at real volumes
| Workload (input / output) | GLM 5.3 Flash | Llama 3.2.1 B Instruct |
|---|---|---|
| 1M in / 250K out | $0.054 | $0.077 |
| 10M in / 2.5M out | $0.544 | $0.772 |
| 100M in / 25M out | $5.45 | $7.72 |
Which should you pick?
Pick GLM 5.3 Flash when you need the longer context window (1,048,576 vs 60,000 tokens). Pick GLM 5.3 Flash when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.