Solar Pro 4 vs Qwen3.6 Plus

API pricing, benchmark indices and specs — updated 20 October 2026.

upstage · A · API-only
Input / 1M
$0.15
Output / 1M
$0.60
AA index
28.2
proprietary · 524.3K context
qwen · B · API-only
Input / 1M
$0.33
Output / 1M
$1.95
AA index
27
proprietary · 1M context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Solar Pro 4 Qwen3.6 Plus
Deployment API-only (closed weights) API-only (closed weights)
Parameters n/a — API-only n/a — API-only
Architecture n/a — API-only n/a — API-only
Context length 524,288 1,000,000
Licence Proprietary Proprietary
Commercial use Per API terms Per API terms
Languages n/a — API-only n/a — API-only
Downloads 30d n/a — API-only n/a — API-only
Downloads all time n/a — API-only n/a — API-only
Quantizations on the Hub n/a — API-only n/a — API-only
Gated n/a — API-only n/a — API-only
First seen on the Hub n/a — API-only n/a — API-only
API input price / 1M tokens $0.15 $0.33
API output price / 1M tokens $0.60 $1.95
Est. cost per 1M input + 1M output tokens $0.75 $2.28
Cached input / 1M tokens $0.03 —
AA Intelligence Index 28.2 27
AA Coding Index 52.7 54.5
AA Agentic Index — —
Max output tokens 131,072 65,536
API providers 1 1
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

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

Solar Pro 4 $0.75
Qwen3.6 Plus $2.28

Solar Pro 4 is 3.0× cheaper at list price.

Adjacent comparisons