DeepSeek-V4.1-Flash vs Solar Mini 4

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

upstage · B · API-only

Input / 1M

$0.05

Output / 1M

$0.20

AA index

24.1

proprietary · 524.3K context

Specification comparison

Differences are highlighted; identical values are muted.

Specification	DeepSeek-V4.1-Flash	Solar Mini 4
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	524,288
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	$0.05
API output price / 1M tokens	$1.00	$0.20
Est. cost per 1M input + 1M output tokens	$1.02	$0.25
Cached input / 1M tokens	$0.015	$0.005
AA Intelligence Index	24.7	24.1
AA Coding Index	—	—
AA Agentic Index	—	—
Max output tokens	943,718	131,072
API providers	33	1
Tool calling	Yes	Yes
Reasoning mode	Yes	Yes

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

DeepSeek-V4.1-Flash $1.02

Solar Mini 4 $0.25

Solar Mini 4 is 4.1× cheaper at list price.

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

DeepSeek-V4.1-Flash · fp16 676.3 GB / 24 GB

❌ Won’t fit