DeepSeek V4 Flash vs GLM-5.3
30-second takeaway
- DeepSeek V4 Flash has the cheaper input: $0.39 vs $1.1 (per 1M tokens, 65% less)
- Same context window (1M tokens)
| DeepSeek V4 Flash AI/ML API | GLM-5.3 Alibaba (China) | |
|---|---|---|
| Input | $0.39 | $1.1 |
| Output | $1.56 | $3.851 |
| Context | 1M | 1M |
More specs (max output / capabilities)
| max output | 384,000 | 131,072 |
| Reasoning | ✓ Yes | ✓ Yes |
| Tool calls | ✓ Yes | ✓ Yes |
| Open weights | ✓ Yes | ✓ Yes |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.