R1 0528 pricing & benchmarks
R1 0528 is available from DeepSeek at $0.500 per million input tokens and $2.15 per million output tokens ($0.912 blended at 3:1). It accepts up to 163,840 tokens of context. 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...
Pricing
Per million tokens · OpenRouter
Input$0.500
Output$2.15
Blended (3:1)$0.912
Specification
deepseek/deepseek-r1-0528
Context window164K
Max output33K
ReleasedMay 2025
LicenceOpen weights
Modalitiesin:text, out:text
Benchmarks
Independently run — not vendor self-reports. Every score links its source.
| Benchmark | Score | Config | Run | Source |
|---|---|---|---|---|
| GPQA Diamond | 76.3% ±2.4 | — | 2025-05-29 | Independently run · Epoch AI |
| OTIS Mock AIME | 66.4% ±4.9 | — | 2025-05-29 | Independently run · Epoch AI |
Scores published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0.
Cheaper models that score at least as well on GPQA Diamond
Strictly lower blended price AND an equal-or-higher GPQA Diamond score. One benchmark is one dimension — a model that wins here may still be weaker at your specific task.
| Model | Provider | Blended $/1M | GPQA Diamond | |
|---|---|---|---|---|
| Qwen3.7 Flash | Alibaba | $0.055 (−94%) | 82.3% | Compare → |
| Qwen3.5-Flash | Alibaba | $0.114 (−88%) | 82.3% | Compare → |
| Qwen3.6 35B A3B | Alibaba | $0.313 (−66%) | 84.8% | Compare → |
| Qwen3.6 Flash | Alibaba | $0.422 (−54%) | 83.3% | Compare → |
| GPT-5.6 Luna | OpenAI | $0.450 (−51%) | 91.6% | Compare → |
Where to run R1 0528
3 hosts · 1.1× between cheapest and dearest. Blended at 3:1. ⚠ marks an option serving less context than the best available, or re-pricing above a prompt-length threshold. Bracketed labels are the provider's own service tier or region.
| Host | Blended $/1M | In / Out | Context | Weights | Uptime 24h |
|---|---|---|---|---|---|
| DeepInfra | $0.913 | $0.500 / $2.15 | 164K | fp4 | 99.9% |
| SiliconFlow | $0.920 | $0.500 / $2.18 | 164K | fp8 | 99.8% |
| StreamLake ⚠ 128K context, not 164K |
$1.000 | $0.571 / $2.29 | 128K | — | 99.9% |
Host prices and uptime from OpenRouter, synced 2026-10-22. Lower-precision weights (fp4, fp8) can cost less and score worse than the same model at bf16 — the score above is not host-specific.
Compare R1 0528
FAQ
How much does R1 0528 cost?
R1 0528 costs $0.500 per million input tokens and $2.15 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $0.912 per million tokens.
What is R1 0528's context window?
R1 0528 accepts up to 163,840 tokens of context, and can generate up to 32,768 output tokens.
How good is R1 0528 on benchmarks?
R1 0528 scores 76.3% on GPQA Diamond, independently run and published by Epoch AI. 2 benchmark results are listed on this page, each with its run date and source.
Is there a cheaper model as good as R1 0528?
Yes — 5 models in our catalogue cost less per token than R1 0528 and score at least as high on the same benchmark. The cheapest is Qwen3.7 Flash at $0.055 per million tokens blended.