Index · comparison
GLM 5.3 (Z.AI) vs DeepSeek V4 Flash 0731 (DeepSeek)
DeepSeek V4 Flash 0731 (DeepSeek) is 85% cheaper than GLM 5.3 (Z.AI) ($0.88 vs $5.80 blended per 1M tokens).
GLM 5.3 (Z.AI) on Z.AI vs DeepSeek V4 Flash 0731 (DeepSeek) on DeepSeek — budget value. Every figure below is the value shown on each model's own endpoint page, with its source and verification date.
| Metric | GLM 5.3 (Z.AI) | DeepSeek V4 Flash 0731 (DeepSeek) |
|---|---|---|
| Input $/1M | $1.4 | $0.22 |
| Output $/1M | $4.4 | $0.66 |
| Blended $/1M | $5.8 | $0.88 |
| Context window | 1.31M | 1.31M |
| Max output | 128K | 384K |
| Intelligence index | 59.5 | 51.8 |
Highlighted cell = better on that row (lower price/latency, higher context/intelligence/throughput). "—" = not measured for that model.
Which to pick
On blended token price, DeepSeek V4 Flash 0731 (DeepSeek) is the cheaper of the two ($0.88 vs $5.8 per 1M). Price alone rarely settles it: check the intelligence index and latency rows above against your workload, and open each endpoint page for the full price history and provider terms.
Sources: GLM 5.3 (Z.AI) endpoint · DeepSeek V4 Flash 0731 (DeepSeek) endpoint · GLM 5.3 (Z.AI) price verified 2026-09-05 · DeepSeek V4 Flash 0731 (DeepSeek) price verified 2026-09-05