DeepSeek · Released May 28, 2025
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. It's 671B parameters in size, with 37B active...
- Top 40%Fiction.LiveBench
- Top 46%Aider Polyglot
- Released
- May 28 2025
- Context window
- 164K 33K out
- Input / 1M tokens
- $0.50
- Output / 1M tokens
- $2.15
Where to run it
3 providers compared
Cheapest: DeepInfra at $0.50 / $2.15 per 1M input / output tokens — 9% less than the priciest option.
| Provider | Input | Output | Cache read | Context | Max output | Uptime | vs. best |
|---|---|---|---|---|---|---|---|
| DeepInfraFP4 · no tool calling | $0.50 | $2.15 | $0.35 | 164K | 33K | 100%24h | Cheapest |
| SiliconFlowFP8 | $0.50 | $2.18 | — | 164K | 147K | 99.9%24h | +1% |
| StreamLakeno tool calling | $0.57 | $2.29 | — | 128K | 32K | 99.6%24h | +10% |
Value
Price vs. performance
R1 0528 Other DeepSeek Other labs Value frontier · GPQA Diamond vs. input price per 1M tokens (log scale) · Drag to pan, pinch or Ctrl + scroll to zoom, double-click to zoom in.
Benchmarks
12 benchmark scores
| Benchmark | Score | Rank | Leader |
|---|---|---|---|
| SciCodeSoftware engineering · Research-coding problems from the natural sciences | 38.3% | #81of 93 | Claude Opus 5.566.9% |
| Aider PolyglotSoftware engineering · Hard Exercism problems in many languages | 71.4% | #5of 11 | GPT-588.0% |
| METR time horizonSoftware engineering · Length of software task solved more often than not | 31 min | #13of 13 | Claude Opus 4.612 h |
| Lech Mazur WritingWriting & content · Short stories weaving 10 required elements, judged 0–10 | 8.30/10 | #7of 13 | GPT-58.60/10 |
| Fiction.LiveBenchWriting & content · Understanding long creative writing (16k tokens) | 75.0% | #6of 15 | GPT-597.2% |
| DeepResearch BenchWriting & content · Find and synthesize information from the web | 35.1% | #19of 20 | Claude Opus 4.655.3% |
| GPQA DiamondReasoning & knowledge · PhD-level biology, chemistry and physics questions | 76.3% | #75of 92 | Gemini 4 Argon96.4% |
| ARC-AGI-2Reasoning & knowledge · Few-shot abstract reasoning on grid puzzles | 1.3% | #63of 63 | GPT-6 Astra95.0% |
| ARC-AGI-1Reasoning & knowledge · Pattern induction from input–output examples | 21.2% | #62of 63 | Gemini 4 Argon98.5% |
| SimpleBenchReasoning & knowledge · Common-sense trick questions about space, time and people | 40.8% | #39of 43 | Claude Fable 581.9% |
| CritPtReasoning & knowledge · Open-ended, research-level physics problems | 1.1% | #80of 96 | GPT-5.6 Sol32.3% |
| OTIS Mock AIMEMaths · Competition-style problems harder than MATH Level 5 | 66.4% | #82of 90 | Gemini 4 Argon100.0% |
Specs
Details
- Model ID
deepseek/deepseek-r1-0528- Developer
- DeepSeek
- Release date
- May 28, 2025 ·
- Context window
- 163,840 tokens
- Max output
- 32,768 tokens
- API price
- $0.50 / $2.15 per 1M input / output tokens
- Providers
- 3
- Input types
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Open weights
- Yes
- Free tier
- No
Release date, prices and providers from OpenRouter's catalog; buying directly from a provider can cost a little differently. Uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.