DeepSeek Flash Latest vs GLM 5.2: cost comparison
Prices updated 2026-11-05 · computed from live provider data
Short answer: DeepSeek Flash Latest is cheaper on a
3:1 input/output blend — $0.130 per million tokens versus
$1.70, a 92% difference.
Both offer the same 1,048,576-token context window, so cost is the deciding factor.
Head to head
| DeepSeek Flash Latest | GLM 5.2 | |
|---|---|---|
| Input, per 1M tokens | $0.0060 | $0.0060 |
| Output, per 1M tokens | $0.500 | $6.80 |
| Blended 3:1, per 1M | $0.130 | $1.70 |
| Context window | 1,048,576 | 1,048,576 |
| Vendor | deepseek | z-ai |
Monthly cost at real volumes
| Workload (input / output) | DeepSeek Flash Latest | GLM 5.2 |
|---|---|---|
| 1M in / 250K out | $0.131 | $1.71 |
| 10M in / 2.5M out | $1.31 | $17.06 |
| 100M in / 25M out | $13.10 | $171 |
Which should you pick?
Because the context windows are identical, the cheaper option is the better default. Choose DeepSeek Flash Latest unless you are already standardised on z-ai tooling and want to avoid a second integration.