Qwen 3.5 Plus vs GLM 5.3 Flashx: cost comparison
Prices updated 2026-11-06 · computed from live provider data
Short answer: GLM 5.3 Flashx is cheaper on a
3:1 input/output blend — $0.590 per million tokens versus
$0.823, a 28% difference.
GLM 5.3 Flashx offers the larger context window at 1,048,576 tokens, against 983,616 for Qwen 3.5 Plus.
Head to head
| Qwen 3.5 Plus | GLM 5.3 Flashx | |
|---|---|---|
| Input, per 1M tokens | $0.360 | $0.370 |
| Output, per 1M tokens | $2.21 | $1.25 |
| Blended 3:1, per 1M | $0.823 | $0.590 |
| Context window | 983,616 | 1,048,576 |
| Vendor | empiriolabs | z-ai |
Monthly cost at real volumes
| Workload (input / output) | Qwen 3.5 Plus | GLM 5.3 Flashx |
|---|---|---|
| 1M in / 250K out | $0.912 | $0.682 |
| 10M in / 2.5M out | $9.12 | $6.83 |
| 100M in / 25M out | $91.25 | $68.25 |
Which should you pick?
Pick GLM 5.3 Flashx when you need the longer context window (1,048,576 vs 983,616 tokens). Pick GLM 5.3 Flashx when price per token dominates your workload — high-volume classification, extraction, or batch summarisation.