DeepSeek: deepseek-v3.1 API

A hybrid-inference flagship MoE model (671B total, 37B active). It bridges the gap between speed and logic by supporting both Thinking and Non-Thinking modes in a single model, featuring enhanced tool-calling and a 128k context window.

Frequently Asked Questions

What is the context window of deepseek-v3.1?

deepseek-v3.1 supports a context window of up to 128,000 tokens.

Does deepseek-v3.1 support function calling?

Yes. deepseek-v3.1 supports tool / function calling.

Does deepseek-v3.1 support reasoning?

Yes. deepseek-v3.1 is a reasoning-capable model.

What is the knowledge cutoff of deepseek-v3.1?

The knowledge cutoff of deepseek-v3.1 is 2025-05-31.