DeepSeek V4.1 Flash vs Solar Pro 3.

model vs model · prices as of

DeepSeek V4.1 Flash takes 1 of 5 rounds against Solar Pro 3. Both cost $1.05 per million tokens to run.

DeepSeekwins 1 rounds

DeepSeek V4.1 Flash

$1.05/M tokens

DeepSeek list price, nothing below it is accounted for · $0.126 per 1,000 pages

1M context · tool calling · reads images · open weights

Upstage

Solar Pro 3

$1.05/M tokens

Upstage list price, nothing below it is accounted for · $0.126 per 1,000 pages

131k context · tool calling

List price in (lower wins)

$0.15/M

$0.15/M

List price out (lower wins)

$0.60/M

$0.60/M

Cheapest we can explain (lower wins)

none below list

none below list

Standard price (lower wins)

$1.05/M

$1.05/M

Cost per 1,000 pages (lower wins)

$0.126

$0.126

Context

1M tokens

131k tokens

Open weights

yes

not stated

Tool calling

yes

yes

Structured output

yes

yes

Reads images

yes

no

Reasoning

yes

yes

Released

10 Sept 2026

27 Jan 2026

Providers selling it

9

5

Price we measure against

the maker's own

the maker's own

Trains on your prompts (no is better)

no provider to check

no provider to check

Providers selling both · 3

  • Kilo Gateway$1.05 / $1.05
  • Nous Portal$1.05 / $1.05
  • OpenRouter$1.05 / $1.05

DeepSeek V4.1 Flash then Solar Pro 3, per million tokens

Go further

Add a third or fourth model, or switch the weighting, in the tool.

What moved in the last seven days

  1. Solar Pro 3Nous Portal$0.12 / $0.48 $0.15 / $0.6025% dearer ·

Frequently asked

Which is cheaper, DeepSeek V4.1 Flash or Solar Pro 3?
Neither: both run at $1.05 per million tokens, three parts input to one part output, read on 16 Sept 2026.
Where is each one cheapest?
DeepSeek V4.1 Flash: nobody goes below the maker's own price with a reason we can point at, so $1.05 is the number to beat. Solar Pro 3: nobody goes below the maker's own price with a reason we can point at, so $1.05 is the number to beat.
Can I buy both from one provider?
Yes. 3 providers sell both: Kilo Gateway, Nous Portal, OpenRouter. The cheapest of them for the two together is Kilo Gateway.
Which holds more context?
DeepSeek V4.1 Flash, at 1M tokens against 131k.

Prices exclude tax and are per million tokens, read 16 Sept 2026 from each provider's own catalog. The standard price blends three parts input to one part output; a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.

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