DeepSeek-R1-0528

by DeepSeek

DeepSeek-R1-0528 is a model from DeepSeek, released on May 28, 2025. It has a 164K-token context window and can generate up to 164K output tokens. API pricing is $0.5 per 1M input tokens and $2.15 per 1M output tokens. It ranks #106 of 220 models by Intelligence Score with a score of 24.1.

DeepSeek-R1-0528 is the May 28, 2025 version of DeepSeek's reasoning model. It features advanced thinking capabilities and serves as a benchmark comparison for newer models like DeepSeek-V3.1. This model excels in complex reasoning tasks, mathematical problem-solving, and code generation through its thinking mode approach.

Key specs

ProviderDeepSeek
Release date2025-05-28
Licenseopen source
Context window164K tokens
Max output164K tokens
Input price$0.5 / 1M tokens
Output price$2.15 / 1M tokens
Intelligence Score24.1
Coding index7.7

Quick answers

What is the context window of DeepSeek-R1-0528?

DeepSeek-R1-0528 has a context window of 164K tokens, with a maximum output of 164K tokens per response.

How much does DeepSeek-R1-0528 cost?

DeepSeek-R1-0528 costs $0.5 per 1M input tokens and $2.15 per 1M output tokens through the API.

Is DeepSeek-R1-0528 open source?

Yes. DeepSeek-R1-0528 is an open model released under the open source license.

When was DeepSeek-R1-0528 released?

DeepSeek released DeepSeek-R1-0528 on May 28, 2025.

How does DeepSeek-R1-0528 compare to Claude Opus 5.5 (Reasoning)?

DeepSeek-R1-0528 scores 24.1 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1. Input pricing is $0.5 vs $4 per 1M tokens.

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