DeepSeek-V4.1-Flash vs Qwen3.7 Plus

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

deepseek-ai · A · Open weights
Params
763.2 B
Context
—
30d
1.5 M
mit · commercial OK
qwen · B · API-only
Input / 1M
$0.32
Output / 1M
$1.28
AA index
25.2
proprietary · 1M context

Specification comparison

Differences are highlighted; identical values are muted.

Specification DeepSeek-V4.1-Flash Qwen3.7 Plus
Deployment Open weights · also via API API-only (closed weights)
Parameters 763.2 B n/a — API-only
Architecture DeepseekV41ForCausalLM n/a — API-only
Context length 1,048,576 1,000,000
Licence mit Proprietary
Commercial use Allowed Per API terms
Languages — n/a — API-only
Downloads 30d 1,478,503 n/a — API-only
Downloads all time 2.1 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 2026-09-10 n/a — API-only
API input price / 1M tokens $0.02 $0.32
API output price / 1M tokens $1.00 $1.28
Est. cost per 1M input + 1M output tokens $1.02 $1.60
Cached input / 1M tokens $0.015 $0.064
AA Intelligence Index 24.7 25.2
AA Coding Index — 55.9
AA Agentic Index — 17.5
Max output tokens 943,718 131,072
API providers 33 1
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

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

DeepSeek-V4.1-Flash $1.02
Qwen3.7 Plus $1.60

DeepSeek-V4.1-Flash is 1.6× cheaper at list price.

VRAM side by side

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

DeepSeek-V4.1-Flash · fp16 676.3 GB / 24 GB
❌ Won’t fit

Adjacent comparisons