Qwen2.5-72B-Instruct vs Sonar Pro

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

Qwen · A · Open weights
Params
72.7 B
Context
32,768
30d
232 K
perplexity · B · API-only
Input / 1M
$3.00
Output / 1M
$15.00
AA index
7.6
proprietary · 200K context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen2.5-72B-Instruct Sonar Pro
Deployment Open weights · also via API API-only (closed weights)
Parameters 72.7 B n/a — API-only
Architecture Qwen2ForCausalLM n/a — API-only
Context length 32,768 200,000
Licence other Proprietary
Commercial use Unknown Per API terms
Languages 1 n/a — API-only
Downloads 30d 232,348 n/a — API-only
Downloads all time 9.1 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 2024-09-16 n/a — API-only
API input price / 1M tokens $0.36 $3.00
API output price / 1M tokens $0.40 $15.00
Est. cost per 1M input + 1M output tokens $0.76 $18.00
Cached input / 1M tokens — —
AA Intelligence Index 7.7 7.6
AA Coding Index — —
AA Agentic Index — —
Max output tokens 16,384 8,000
API providers 1 1
Tool calling Yes No
Reasoning mode No No

API cost

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

Qwen2.5-72B-Instruct $0.76
Sonar Pro $18.00

Qwen2.5-72B-Instruct is 23.7× cheaper at list price.

VRAM side by side

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

Qwen2.5-72B-Instruct · fp16 171.4 GB / 24 GB
❌ Won’t fit

Adjacent comparisons