DeepSeek-R1 vs Sonar Reasoning Pro

API pricing, benchmark indices and specs — updated 19 October 2026.

deepseek-ai · A · Open weights
Params
684.5 B
Context
163,840
30d
1.4 M
mit · commercial OK
perplexity · B · API-only
Input / 1M
$2.00
Output / 1M
$8.00
AA index
11.8
proprietary · 128K context

Specification comparison

Differences are highlighted; identical values are muted.

Specification DeepSeek-R1 Sonar Reasoning Pro
Deployment Open weights · also via API API-only (closed weights)
Parameters 684.5 B n/a — API-only
Architecture DeepseekV3ForCausalLM n/a — API-only
Context length 163,840 128,000
Licence mit Proprietary
Commercial use Allowed Per API terms
Languages — n/a — API-only
Downloads 30d 1,391,551 n/a — API-only
Downloads all time 50.3 M n/a — API-only
Quantizations on the Hub SAFETENSORS n/a — API-only
Gated No n/a — API-only
First seen on the Hub 2025-01-20 n/a — API-only
API input price / 1M tokens $0.70 $2.00
API output price / 1M tokens $2.50 $8.00
Est. cost per 1M input + 1M output tokens $3.20 $10.00
Cached input / 1M tokens — —
AA Intelligence Index 11.4 11.8
AA Coding Index 24.6 —
AA Agentic Index 1.1 —
Max output tokens 16,000 115,200
API providers — 1
Tool calling Yes No
Reasoning mode Yes Yes

API cost

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

DeepSeek-R1 $3.20
Sonar Reasoning Pro $10.00

DeepSeek-R1 is 3.1× cheaper at list price.

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

Adjacent comparisons