DeepSeek
R1 0528
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.
At a glance
- Input / 1M
- $0.50
- Output / 1M
- $2.15
- Context
- 164K
- Max output
- 33K
- Intelligence
- 13.1
- Released
- May 2025
Pricing
R1 0528 API pricing
Per-token rates, plus what common tasks actually cost.
| Input tokensPer 1M tokens | $0.50 |
|---|---|
| Output tokensPer 1M tokens | $2.15 |
| Cached input (read)Per 1M tokens | $0.35 |
| Cache writePer 1M tokens | Not available |
Chat message
2K in, 500 out
$2.08
per 1,000 requests
Coding task
30K in, 4K out
$23.60
per 1,000 requests
Long document summary
150K in, 2K out
$79.30
per 1,000 requests
Benchmarks
R1 0528 benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
13.1
Coding index
Not available
Agentic index
Not available
Specs
Context window and capabilities
What it can read, what it can write, and which API features it supports.
- Context window
- 164K tokens
- Max output
- 33K tokens
- Input types
- Text
- Output types
- Text
- Reasoning effort
- Not available
- Release date
- May 28, 2025
- Knowledge cutoff
- March 31, 2025
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
R1 0528 vs other models
See how R1 0528 stacks up head to head on price, benchmarks, and features.
VS
R1 0528 vs Gemini 3.1 Flash Lite
DeepSeek vs Google
See comparisonVSR1 0528 vs Gemini 2.5 Flash
DeepSeek vs Google
See comparisonVSR1 0528 vs Kimi K2 0905
DeepSeek vs Moonshot AI
See comparisonVSR1 0528 vs DeepSeek V3.1 Terminus
DeepSeek vs DeepSeek
See comparisonVSR1 0528 vs DeepSeek V3.1
DeepSeek vs DeepSeek
See comparisonVS
R1 0528 vs Nova 2 Lite
DeepSeek vs Amazon
See comparisonAlternatives
R1 0528 alternatives
Similar models worth considering, and where each one has the edge.
Gemini 3.1 Flash Lite
Gemini 2.5 Flash
DeepSeek
DeepSeek V3.1 Terminus
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does R1 0528 cost?
R1 0528 costs $0.50 per 1M input tokens and $2.15 per 1M output tokens through the API. A typical chat message costs about $2.08 per 1,000 messages.
What is the context window of R1 0528?
R1 0528 accepts up to 164K tokens of input and can write up to 33K tokens in a single response.
What is the best alternative to R1 0528?
Gemini 3.1 Flash Lite from Google is a strong alternative. It offers: 1.4x cheaper output, higher intelligence score, larger 1.05m context.
Can I use R1 0528 alongside other models?
Yes. Shortcut Chat sends one prompt to R1 0528 and any other models you pick at the same time, so you can compare answers side by side.
Try R1 0528 next to every other model.
Use R1 0528 alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.