DeepSeek-R1-0528
Reasoning
May 2025 R1 refresh. Improves long-form reasoning consistency and reduces hallucinations vs original R1.
DeepSeek-R1-0528 is a reasoning AI model from DeepSeek. It costs $0.550 per million input tokens and $2.190 per million output tokens (blended $1.042/M), with a 64,000-token context window.
INPUT
$0.550/M
per million input tokens
OUTPUT
$2.190/M
per million output tokens
CONTEXT
64,000
tokens
What it is good at
- Open-weights reasoning
- Improved over original R1
- Cheap
- Visible thinking
Typical use cases
- Reasoning agents
- Math/STEM tutoring
- Migration from R1
Benchmarks
vs. best public score
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources, treat as directional rather than authoritative.
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Frequently asked questions
How much does DeepSeek-R1-0528 cost?
DeepSeek-R1-0528 costs $0.550 per million input tokens and $2.190 per million output tokens, for a blended reference rate of $1.042 per million tokens.
What is DeepSeek-R1-0528's context window?
DeepSeek-R1-0528 supports up to 64,000 tokens of context in a single request.
What is DeepSeek-R1-0528 best for?
DeepSeek-R1-0528 is well suited to Open-weights reasoning, Improved over original R1 and Cheap.
Who makes DeepSeek-R1-0528?
DeepSeek-R1-0528 is developed and served by DeepSeek. It was released in May 2025.