R1 0528
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on September 30, 2026· 217 models
May 28th update to the original DeepSeek R1 Performance on par with OpenAI o1, but open-sourced and with fully open reasoning tokens.
- Reasoning estimated
- Speed estimated
- Input
- Output
- Context
- 164 K tokens
- Max output
- 33 K
- Input, $ per 1M tokens
- $0.500
- Output, $ per 1M tokens
- $2.15
- Cache read, $ per 1M
- $0.350
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- 05/28/2025
- Knowledge cutoff
- —
- API id
- deepseek/deepseek-r1-0528
Summary from the data
R1 0528 is a DeepSeek model available by API since 05/28/2025. It costs $0.500 per million input tokens and $2.15 per million output tokens, accepts 164 K tokens of context and generates up to 33 K tokens per response. Input: text; output: text. It has a reasoning mode. It supports tool calling. With 10,000 requests a month of 1,500 input and 400 output tokens it would cost about $16.10 a month.
Compare R1 0528 with…
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
The 6 cheapest for this scenario (chat, last 12 months)
- 1Lyria 3 Pro Preview Google$0.00
- 2Lyria 3 Clip Preview Google$0.00
- 3Qwen3.7 Flash Qwen$0.97
- 4DeepSeek V4 Flash 0731 DeepSeek$1.55
- 5Ministral 3 3B 2512 Mistral$1.90
- 6Qwen3.5-Flash Qwen$2.02
Frequently asked questions
How much does R1 0528 cost per million tokens?
R1 0528 costs $0.500 per million input tokens and $2.15 per million output tokens (USD, list price). Cache read: $0.350. Batch tier: not published.
What context window does R1 0528 have?
R1 0528 accepts 164 K tokens of context per request and generates up to 33 K tokens per response.
Does R1 0528 accept images, audio or files?
Input: text. Output: text.
Does R1 0528 have a reasoning mode and tool calling?
It has a reasoning mode. It supports tool calling.
When was R1 0528 released and what is its knowledge cutoff?
R1 0528 has been available by API since 05/28/2025. Knowledge cutoff: not published.
What would an app built on R1 0528 cost?
With 10,000 requests a month of 1,500 input and 400 output tokens, R1 0528 would cost about $16.10 a month at list price, without cache or batch discounts.
What is the API id of R1 0528?
The id is deepseek/deepseek-r1-0528. It is the name passed in the model parameter of the API (or on OpenRouter).
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.