DeepSeek V3.1 Terminus vs DeepSeek V4.1 Flash Cyber (Inference.net)
Both have similar output pricing, while DeepSeek V4.1 Flash Cyber (Inference.net) offers a larger context window. Choose DeepSeek V3.1 Terminus or DeepSeek V4.1 Flash Cyber (Inference.net) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V3.1 Terminus | DeepSeek V4.1 Flash Cyber (Inference.net) |
|---|---|---|
| Provider | DeepSeek | LLM Gateway |
| Input / 1M tokens | $0.27 | $0.30 |
| Output / 1M tokens | $1.00 | $1.00 |
| Context window | 164K | 1M |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Oct 2026 |
| LMArena (Chatbot Arena) Elo score | 1419 | — |
FAQ
Is DeepSeek V3.1 Terminus or DeepSeek V4.1 Flash Cyber (Inference.net) cheaper?
DeepSeek V3.1 Terminus and DeepSeek V4.1 Flash Cyber (Inference.net) have comparable output pricing.
Which has the larger context window, DeepSeek V3.1 Terminus or DeepSeek V4.1 Flash Cyber (Inference.net)?
DeepSeek V4.1 Flash Cyber (Inference.net) has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.