Which is cheaper, DeepSeek V4.1 Flash or Solar Pro 3?

DeepSeek V4.1 Flash, at $0.21 per million tokens against $1.05 for Solar Pro 3, three parts input to one part output, read on 16 Sept 2026.

Where is each one cheapest?

DeepSeek V4.1 Flash: $0.21 at TrustedRouter. 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. 4 providers sell both: NanoGPT, Nous Portal, OpenRouter, Kilo Gateway. The cheapest of them for the two together is NanoGPT.

Which holds more context?

DeepSeek V4.1 Flash, at 1M tokens against 131k.

DeepSeek V4.1 Flash vs Solar Pro 3.

model vs model · prices as of 16 Sept 2026

DeepSeek V4.1 Flash takes 2 of 5 rounds against Solar Pro 3. It is also the cheaper of the two to run, at $0.21 per million tokens against $1.05.

DeepSeekwins 2 rounds

DeepSeek V4.1 Flash

$0.21/M tokens

cheapest we can explain, at TrustedRouter · $0.0304 per 1,000 pages

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

TrustedRouter ↗

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

List price out (lower wins)

$0.60/M

Cheapest we can explain (lower wins)

$0.21/M at TrustedRouter

none below list

Standard price (lower wins)

$1.05/M

Cost per 1,000 pages (lower wins)

$0.0304

$0.126

Context

1M tokens

131k tokens

Open weights

yes

not stated

Tool calling

yes

Structured output

yes

Reads images

yes

Reasoning

yes

Released

10 Sept 2026

27 Jan 2026

Providers selling it

Price we measure against

the maker's own

Trains on your prompts (no is better)

not stated

no provider to check

Providers selling both · 4

NanoGPT$0.78 / $1.05
Nous Portal$1.05 / $1.05
OpenRouter$1.05 / $1.05
Kilo Gateway$2.10 / $1.05

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

Go further

open in the compare tool →every price for DeepSeek V4.1 Flash every price for Solar Pro 3

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

What moved in the last seven days

DeepSeek V4.1 FlashCharm Hyper$0.30 / $1.20 $0.33 / $1.319% dearer · 16 Sept 2026
DeepSeek V4.1 FlashEden AI$0.20 / $0.60 $0.50 / $1.50150% dearer · 16 Sept 2026
DeepSeek V4.1 FlashGMI Cloud$0.30 / $1.20 $0.28 / $1.145% cheaper · 16 Sept 2026
DeepSeek V4.1 Flashio.net Intelligence$0.25 / $0.97 $0.30 / $1.1920% dearer · 16 Sept 2026
DeepSeek V4.1 FlashKenari$0.35 / $0.70 $0.01 / $0.0396% cheaper · 16 Sept 2026
DeepSeek V4.1 FlashMorph$0.30 / $1.20 $0.20 / $0.7835% cheaper · 16 Sept 2026
DeepSeek V4.1 FlashNous Portal$0.16 / $0.48 $0.15 / $0.609% dearer · 16 Sept 2026
DeepSeek V4.1 FlashRequesty$0.22 / $0.66 $0.20 / $0.609% cheaper · 16 Sept 2026
DeepSeek V4.1 FlashTrustedRouter$0.16 / $0.63 $0.04 / $0.0881% cheaper · 16 Sept 2026
DeepSeek V4.1 FlashVercel AI Gateway$0.30 / $1.20 $0.15 / $0.6050% cheaper · 16 Sept 2026
Solar Pro 3Nous Portal$0.12 / $0.48 $0.15 / $0.6025% dearer · 16 Sept 2026
DeepSeek V4.1 FlashDeepInfra$0.30 / $1.20 $0.20 / $0.6043% cheaper · 11 Sept 2026

Frequently asked

Which is cheaper, DeepSeek V4.1 Flash or Solar Pro 3?: DeepSeek V4.1 Flash, at $0.21 per million tokens against $1.05 for Solar Pro 3, three parts input to one part output, read on 16 Sept 2026.
Where is each one cheapest?: DeepSeek V4.1 Flash: $0.21 at TrustedRouter. 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. 4 providers sell both: NanoGPT, Nous Portal, OpenRouter, Kilo Gateway. The cheapest of them for the two together is NanoGPT.
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.