Qwen3-Next-80B-A3B-Thinking vs Mercury 2

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

Qwen · A · Open weights
Params
81.3 B
Context
262,144
30d
38 K
apache-2.0 · commercial OK
inception · B · API-only
Input / 1M
$0.25
Output / 1M
$0.75
AA index
10.8
proprietary · 128K context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3-Next-80B-A3B-Thinking Mercury 2
Deployment Open weights · also via API API-only (closed weights)
Parameters 81.3 B n/a — API-only
Architecture Qwen3NextForCausalLM n/a — API-only
Context length 262,144 128,000
Licence apache-2.0 Proprietary
Commercial use Allowed Per API terms
Languages — n/a — API-only
Downloads 30d 38,286 n/a — API-only
Downloads all time 2.5 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 2025-09-09 n/a — API-only
API input price / 1M tokens $0.15 $0.25
API output price / 1M tokens $1.20 $0.75
Est. cost per 1M input + 1M output tokens $1.35 $1.00
Cached input / 1M tokens — $0.025
AA Intelligence Index 11.2 10.8
AA Coding Index 17.4 31.1
AA Agentic Index — 1.6
Max output tokens 235,929 50,000
API providers 1 1
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

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

Qwen3-Next-80B-A3B-Thinking $1.35
Mercury 2 $1.00

Mercury 2 is 1.3× cheaper at list price.

VRAM side by side

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

Qwen3-Next-80B-A3B-Thinking · fp16 @ 256K ctx 569.8 GB / 24 GB
❌ Won’t fit

Adjacent comparisons