Real AI agent use cases, with sources and setup prompts

DeepSeek V4 Pro

DeepSeek flagship with 1M context and both OpenAI and Anthropic API formats.

From $1.32 in / $3.96 out per 1M tokensStrong coding at a low price

Official site Pricing page

Peak price. Off-peak is half. Cache hits $0.044 per 1M at peak. Checked 2026-10-14.

Quick start

Create an API key, store it in an environment variable, and send one small test request before wiring the model into your app.

Good and not so good

Use cases with DeepSeek V4 Pro

No use cases yet. Add an agent use case.

Alternatives