DeepSeek V3.1
DeepSeek V3.1 is DeepSeek's August 21, 2025 model update introducing hybrid inference with selectable thinking and non-thinking modes in one endpoint. It strengthens tool use and multi-step agent capabilities over DeepSeek-V3.
ReasoningTool Use
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'deepseek/deepseek-v3.1', prompt: 'Why is the sky blue?'})More models by DeepSeek
| Model |
|---|
| 1M | 0.6s | 102tps | $0.14/M | $0.28/M | Read:$0.0/M Write:— | — | — |    | 04/23/2026 | ||||
| 1M | 0.9s | 62tps | $0.43/M | $0.87/M | Read:$0.0/M Write:— | — | — |  +1 | 04/23/2026 | ||||
| 164K | 0.8s | 83tps | $0.28/M | $0.42/M | Read:$0.03/M Write:— | — | — |  +2 | 12/01/2025 | ||||
| 164K | 0.3s | 100tps | $0.28/M | $0.42/M | Read:$0.03/M Write:— | — | — | +2 | 12/01/2025 | ||||
| 131K | 1.8s | 29tps | $0.27/M | $1.00/M | Read:$0.14/M Write:— | — | — | | 09/22/2025 | ||||
| 164K | 0.9s | 111tps | $0.77/M | $0.77/M | Read:$0.14/M Write:— | — | — |  | 12/26/2024 |