R1 0528
Provider：DeepSeek
May 28th update to the [original DeepSeek R1](/deepseek/deepseek-r1) Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active...
Key specs
- Context：163.8K
- Max output：32.8K
- Tokenizer：DeepSeek
- Released：2025-05-28
Token pricing
- Input price：$0.500 / 1M tokens
- Output price：$2.15 / 1M tokens
- Cache read：$0.350 / 1M tokens
- Blended price：$0.912 / 1M tokens
Modalities
Text
Use Cases
- Deep Reasoning & Analysis：Math proofs, logical reasoning, multi-step planning — ideal for research and financial analysis.（≈ $0.017/call）
- Chat & Support：FAQ auto-response, multi-turn dialogue, emotion detection — e-commerce, finance, gov.（≈ $0.0043/call）
When to pick this model
Signals derived from public pricing and spec fields — not a benchmark. Validate with official docs and your own eval.
- Long max output (>=30K tokens): strong fit for deep report / essay / document-drafting workflows.
FAQ
- What is the token pricing of R1 0528? Input price $0.500 / 1M tokens, output price $2.15 / 1M tokens, blended about $0.912 / 1M tokens. Refer to DeepSeek’s official page for the exact rate.
- What context window does R1 0528 support? Context window is 163.8K, max output about 32.8K, suitable for long documents, multi-turn chat and complex reasoning.
- What scenarios is R1 0528 best for? Based on its capability and pricing, R1 0528 fits best: Deep Reasoning & Analysis, Chat & Support. See the Use Cases section for details and cost estimates.
- What input/output modalities does R1 0528 support? Supports Text modality.
- Is R1 0528 a free model? R1 0528 is billed per token, not a free model.
- Which provider offers R1 0528? R1 0528 is offered by DeepSeek.
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Full info：R1 0528