DeepSeek-V4-Pro GA Release | DeepSeek API Docs

A api-docs.deepseek.com ↗

▲ 238 points • 3 comments • by fagnerbrack • 2w ago • HN discussion ↗

Pangram verdict · v3.3

We believe that this text is a mix of AI-assisted and human-written content.

34 %

AI likelihood · overall

Mixed

65% human-written 0% AI-generated

SEGMENTS · HUMAN 0 of 2

SEGMENTS · AI 0 of 2

WORD COUNT 121

PEAK AI % 34% · §1

Analyzed

Aug 14

backend: pangram/v3.3

Segments scanned

2 windows

avg 61 words each

Distribution

65 / 0%

human / AI fraction

Verdict

Mixed

Pangram v3.3

Article text · 121 words · 2 segments analyzed

Human AI-generated

§1 Mixed · 34%

We’re launching DeepSeek-V4-Pro today! 🚀 🔷 Major Agent upgrades with strong production gains! 🔷 Flexible reasoning effort for V4-Pro & V4-Flash: low for simple tasks, high for daily Agent workflows, max for complex tasks. 🔷 Native OpenAI Responses API support, optimized for Codex with one-click setup. V4 Pro is now available on app/web. Try it via “Expert Mode”. V4 Pro is also available via API. Model names remain unchanged—please refer to the API docs for setup details.

§2 Mixed · 34%

API pricing update 💰 With the V4 lineup release, we’re updating our API pricing and introducing peak and off-peak rates. Off-peak rates are 50% lower than peak, enabling more flexible workload scheduling. 📉 New pricing takes effect at 16:00 UTC, Aug 16, 2026 🕒