DeepSeek R1 0528
671B MoE (37B active)
Upgraded R1 with 45-50% less hallucination, system prompt support. Available via third-party providers. Uses ~23K reasoning tokens per AIME question (doubled from R1's 12K).
Data updated 2026-03-30
reasoning OpenAI-compatible Function calling 131K context Released 2025-05
Pricing
| Type | USD / 1M tokens | CNY / 1M tokens |
|---|---|---|
| Input | $0.45 | ¥4 |
| Output | $2.15 | ¥16 |
vs Western Models
DeepSeek R1 0528 vs GPT-5.2 ($1.75/$14)
74% cheaper input 85% cheaper output
DeepSeek R1 0528 vs Claude Sonnet 4.6 ($3/$15)
85% cheaper input 86% cheaper output
DeepSeek R1 0528 vs Gemini 2.5 Pro ($1.25/$10)
64% cheaper input 79% cheaper output
Strengths
- + reasoning
- + math
- + reduced hallucination vs R1
- + supports system prompts
Watch Out For
- ! content censorship
International Access
Direct access: Yes
Latency from US: 200-400ms
Registration: email
Payment: credit card
Frequently Asked Questions
How much does DeepSeek R1 0528 cost?
DeepSeek R1 0528 costs $0.45 per million input tokens and $2.15 per million output tokens (USD).
Can I use DeepSeek R1 0528 from outside China?
Yes. DeepSeek R1 0528 is directly accessible internationally. Registration requires email. Payment via credit card.
Is DeepSeek R1 0528 compatible with the OpenAI API?
Yes. DeepSeek R1 0528 uses an OpenAI-compatible API. You can use any OpenAI SDK by changing the base URL to api.deepseek.com.
What is the context window of DeepSeek R1 0528?
DeepSeek R1 0528 supports a 131K token context window (131,072 tokens).
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