DeepSeek R1 0528
DeepSeek R1 0528 is a reasoning model from DeepSeek released on May 28, 2025. It reads text and writes text, with a 164K token context window and up to 33K tokens per reply.
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It costs $0.70 per million input tokens and $2.50 per million output tokens. Cached input bills at $0.35, 50% less than fresh input.
It supports tool calling, structured JSON output and prompt caching, and its weights are open, so you can host it yourself.
7 providers serve it, including Novita AI, Eden AI and Alibaba (China). The lowest input price is $0.50 per million tokens at Eden AI.
- Modalities
- In / out price
- $0.70 / $2.50 per 1M
- Context
- 164K
- Max output
- 33K
- Released
- May 28, 2025
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
DeepSeek R1 0528 pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.70 / 1M tokens | |
|---|---|---|
| Output | $2.50 / 1M tokens | |
| Cached input (read) | $0.35 / 1M tokens | 50% off input |
DeepSeek R1 0528 providers
7 providers serve it, including Novita AI, Eden AI and Alibaba (China). The lowest input price is $0.50 per million tokens at Eden AI. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Novita AI | $0.70 | $2.50 | $0.35 | 164K | 33K |
| Eden AI | $0.50 | $2.15 | $0.35 | 164K | 33K |
| Alibaba (China) | $0.574 | $2.29 | – | 131K | 16K |
| Jiekou.AI | $0.70 | $2.50 | – | 164K | 33K |
| Kilo Gateway | $0.70 | $2.50 | $0.35 | 164K | 33K |
| Merge Gateway | $1.35 | $5.40 | $0.945 | 66K | 33K |
| Qiniu | n/a | n/a | – | 128K | 32K |
What DeepSeek R1 0528 costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call DeepSeek R1 0528 through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Reasoning
reasoning - Temperature
temperature
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DeepSeek R1 0528 questions
How much does the DeepSeek R1 0528 API cost?
$0.70 per million input tokens and $2.50 per million output tokens, with cached input at $0.35. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of DeepSeek R1 0528?
163,840 tokens of input, and it can write up to 32,768 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve DeepSeek R1 0528?
7 providers serve it, including Novita AI, Eden AI and Alibaba (China). The lowest input price is $0.50 per million tokens at Eden AI. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does DeepSeek R1 0528 support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is DeepSeek R1 0528 open source?
Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.
When was DeepSeek R1 0528 released?
May 28, 2025.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on DeepSeek R1 0528?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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