DeepSeek V4.1 Flash 1017 Fast vs GLM 5.2
DeepSeek V4.1 Flash 1017 Fast is cheaper on output tokens. Choose DeepSeek V4.1 Flash 1017 Fast or GLM 5.2 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V4.1 Flash 1017 Fast | GLM 5.2 |
|---|---|---|
| Provider | Vercel AI Gateway | Z.ai |
| Input / 1M tokens | $0.60 | $0.62 |
| Output / 1M tokens | $2.40 | $2.42 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | Yes | — |
| Released | Oct 2026 | — |
| LiveBench score | — | 73.2 |
| GPQA Diamond score | — | 91.9 |
| Epoch Capabilities Index score | — | 152 |
| LMArena (Chatbot Arena) Elo score | — | 1470 |
| LMArena WebDev Elo score | — | 1605 |
FAQ
Is DeepSeek V4.1 Flash 1017 Fast or GLM 5.2 cheaper?
DeepSeek V4.1 Flash 1017 Fast is cheaper on output tokens ($2.40 vs $2.42 per 1M).
Which has the larger context window, DeepSeek V4.1 Flash 1017 Fast or GLM 5.2?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.