All modelsCalculate what your real prompts cost on R1 0528
R1 0528
open sourceDeepSeek model, released 28 May 2025.
$0.5
per 1M input tokens
$2.15
per 1M output tokens
$0.35
per 1M cached-read tokens
Price history
Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.
Specifications
- Lab
- DeepSeek
- Released
- 28 May 2025
- Context window
- 164k tokens
- Max output
- 33k tokens
- Input modalities
- text
- Output modalities
- text
- Knowledge cutoff
- 2025-03-31
- Open source
- Yes
Benchmarks
| Benchmark | Category | Score | As of |
|---|---|---|---|
| LMArena (Chatbot Arena) | coding | 1427 (1415.7–1438.3) | 12 Aug 2026 |
| LMArena (Chatbot Arena) | overall | 1427.9 (1422.3–1433.5) | 12 Aug 2026 |
LMArena (Chatbot Arena) data © their authors, CC-BY-4.0
Frequently asked questions
How much does R1 0528 cost?
R1 0528 costs $0.5 per 1M input tokens and $2.15 per 1M output tokens (list price, updated every 6 hours).
What is R1 0528's context window?
R1 0528 supports a 164k-token context window with up to 33k output tokens.