DeepSeek Reasoner by DeepSeek | AI model information

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Model details

DeepSeek Reasoner

DeepSeekdeepseek-reasonerdeepseek-thinking

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Quick Info

Provider: DeepSeek
Model key: deepseek-reasoner
Release date: Dec 1, 2025
Last updated: Feb 28, 2026

Cost

Input token cost: $0.14
Output token cost: $0.28

Limits

Output tokens: 384,000 tokens
Context window

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Recent tweets and retweets from DeepSeek

May 22, 2026, 4:01 PMUTC

We are making our discount permanent! 🎉 Enjoy building with DeepSeek-V4-Pro and bring your innovative ideas to life! 🚀

Apr 29, 2026, 2:20 AMUTC

The DeepSeek-V4-Pro discount has been extended until May 31, 2026, 15:59 UTC!

Apr 26, 2026, 4:35 PMUTC

🔥DeepSeek Input Cache Price Drop! Effective immediately, the price for input cache hits across the ENTIRE DeepSeek API series is reduced to just 1/10th of the original price! Build more efficiently for less. 📌Reminder: The DeepSeek-V4-Pro 75% OFF promotion is still active…

Apr 25, 2026, 3:33 PMUTC

🔥DeepSeek-V4-Pro API is 75% OFF until May 5th, 2026, 15:59 (UTC Time)! Don't miss out on this massive discount. 🛠️Integration Updates: 🔹Claude Code: Set model to deepseek-v4-pro[1m] to unlock 1M context! 🔹OpenCode: Update to v1.14.24+ 🔹OpenClaw: Update to…

Apr 24, 2026, 3:24 AMUTC

🔹 Amid recent attention, a quick reminder: please rely only on our official accounts for DeepSeek news. Statements from other channels do not reflect our views. 🔹 Thank you for your continued trust. We remain committed to longtermism, advancing steadily toward our ultimate…