DeepSeek V3.1 Terminus
OpenRouter · 163,840 ctx · from $0.27 input / $0.95 output per 1M tokens
- Input price ranks #201 of 447 priced models (cheaper = better).
- Cheaper alternative with ≥ same context: Qwen3.5 Plus 2026-02-15 at $0.26 input.
| Provider | OpenRouter |
|---|---|
| Family | deepseek |
| Context window | 163,840 |
| Max output | 32,768 |
| Input price | $0.27 |
| Output price | $0.95 |
| Cache read | $0.13 |
| Cache write | — |
| Reasoning | Yes |
| Tool calling | Yes |
| Vision | No |
| Open weights | Yes |
| Knowledge cutoff | 2025-03-31 |
| Released | 2025-09-22 |
| Last updated | 2025-09-22 |
Identity: OpenRouter; data via models.dev + OpenRouter public APIs. Always confirm on the provider's official pricing page.