Qwen3.8-2.4T-A95B vs Muse Spark 1.2

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

Qwen · A · Open weights
Params
2,446.2 B
Context
262,144
30d
25 K
meta · B · API-only
Input / 1M
$1.25
Output / 1M
$4.25
AA index
39.6
proprietary · 1M context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen3.8-2.4T-A95B Muse Spark 1.2
Deployment Open weights · also via API API-only (closed weights)
Parameters 2,446.2 B n/a — API-only
Architecture Qwen3_5MoeForCausalLM n/a — API-only
Context length 262,144 1,048,576
Licence other Proprietary
Commercial use Unknown Per API terms
Languages — n/a — API-only
Downloads 30d 24,938 n/a — API-only
Downloads all time 101 K n/a — API-only
Quantizations on the Hub SAFETENSORS n/a — API-only
Gated No n/a — API-only
First seen on the Hub 2026-08-08 n/a — API-only
API input price / 1M tokens $2.00 $1.25
API output price / 1M tokens $6.00 $4.25
Est. cost per 1M input + 1M output tokens $8.00 $5.50
Cached input / 1M tokens $0.25 $0.15
AA Intelligence Index 39.9 39.6
AA Coding Index 71.9 72.2
AA Agentic Index 50.1 43.2
Max output tokens 909,000 943,718
API providers 5 1
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

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

Qwen3.8-2.4T-A95B $8.00
Muse Spark 1.2 $5.50

Muse Spark 1.2 is 1.5× cheaper at list price.

VRAM side by side

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

Qwen3.8-2.4T-A95B · fp16 @ 256K ctx 17,123.8 GB / 24 GB
❌ Won’t fit

Adjacent comparisons