DeepSeek-R1 vs DeepSeek-R1-0528

Specs, VRAM requirements and download trends — updated 24 October 2026.

deepseek-ai · A · Open weights
Params
684.5 B
Context
163,840
30d
1.4 M
mit · commercial OK
deepseek-ai · B · Open weights
Params
684.5 B
Context
163,840
30d
166 K
mit · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification DeepSeek-R1 DeepSeek-R1-0528
Deployment Open weights · also via API Open weights · also via API
Parameters 684.5 B 684.5 B
Architecture DeepseekV3ForCausalLM DeepseekV3ForCausalLM
Context length 163,840 163,840
Licence mit mit
Commercial use Allowed Allowed
Languages — —
Downloads 30d 1,391,551 166,405
Downloads all time 50.3 M 17.0 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-01-20 2025-05-28
API input price / 1M tokens $0.70 $0.50
API output price / 1M tokens $2.50 $2.15
Est. cost per 1M input + 1M output tokens $3.20 $2.65
Cached input / 1M tokens — $0.35
AA Intelligence Index 11.4 13.1
AA Coding Index 24.6 —
AA Agentic Index 1.1 —
Max output tokens 16,000 32,768
API providers — 3
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

DeepSeek-R1 $3.20
DeepSeek-R1-0528 $2.65

DeepSeek-R1-0528 is 1.2× cheaper at list price.

Download trend

Daily snapshots, last 89 days (28 Jul – 24 Oct)

9.9 M166 K
DeepSeek-R1 DeepSeek-R1-0528

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

DeepSeek-R1 · fp16 @ 160K ctx 2,811.5 GB / 24 GB
❌ Won’t fit
DeepSeek-R1-0528 · fp16 @ 160K ctx 2,811.5 GB / 24 GB
❌ Won’t fit

Adjacent comparisons