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?'})Providers
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
| Provider |
|---|
| 164K | 0.8s | 11tps | $0.21/M | $0.79/M | Read:$0.13/M Write:— | — | — | 08/21/2025 | ||||
| 164K | 1.0s | 41tps | $0.27/M | $1.00/M | Read:$0.14/M Write:— | — | — | 08/21/2025 | ||||
| 164K | 0.3s | 136tps | $0.50/M | $1.50/M | — | — | 08/21/2025 | |||||
| 164K | $0.56/M | $1.68/M | Read:$0.28/M Write:— | — | — | 08/21/2025 | ||||||
| 128K | $0.60/M | $1.70/M | — | — | 08/21/2025 | |||||||
| 128K | $3.00/M | $4.50/M | — | — | 08/21/2025 |
