DeepSeek V4 Flash 0731 vs Solar Pro 3.

model vs model · prices as of

DeepSeek V4 Flash 0731 takes 2 of 5 rounds against Solar Pro 3. It is also the cheaper of the two to run, at $0.25 per million tokens against $1.05.

DeepSeekwins 2 rounds

DeepSeek V4 Flash 0731

$0.25/M tokens

cheapest we can explain, at LLM Gateway · $0.036 per 1,000 pages

1M context · tool calling · 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)

$0.25/M at LLM Gateway

none below list

Standard price (lower wins)

$1.05/M

$1.05/M

Cost per 1,000 pages (lower wins)

$0.036

$0.126

Context

1M tokens

131k tokens

Open weights

yes

not stated

Tool calling

yes

yes

Structured output

yes

yes

Reads images

no

no

Reasoning

yes

yes

Released

31 Jul 2026

27 Jan 2026

Providers selling it

97

5

Price we measure against

the maker's own

the maker's own

Trains on your prompts (no is better)

not stated

no provider to check

Providers selling both · 4

  • Kilo Gateway$0.34 / $1.05
  • Nous Portal$0.34 / $1.05
  • OpenRouter$0.34 / $1.05
  • NanoGPT$0.35 / $1.05

DeepSeek V4 Flash 0731 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. DeepSeek V4 Flash 0731DeepInfra$0.09 / $0.18 $0.06 / $0.1820% cheaper ·
  2. DeepSeek V4 Flash 0731Inceptron$0.06 / $0.20 $0.06 / $0.188% cheaper ·
  3. DeepSeek V4 Flash 0731Inceptron$0.06 / $0.20 $0.06 / $0.188% cheaper ·
  4. DeepSeek V4 Flash 0731io.net Intelligence$0.21 / $0.59 $0.18 / $0.5511% cheaper ·
  5. DeepSeek V4 Flash 0731Kilo Gateway$0.03 / $0.13 $0.06 / $0.1856% dearer ·
  6. DeepSeek V4 Flash 0731Nous Portal$0.03 / $0.13 $0.06 / $0.1856% dearer ·
  7. DeepSeek V4 Flash 0731OpenRouter$0.03 / $0.13 $0.06 / $0.1856% dearer ·
  8. DeepSeek V4 Flash 0731Requesty$0.08 / $0.15 $0.28 / $0.56267% dearer ·
  9. DeepSeek V4 Flash 0731StreamLake$0.06 / $0.17 $0.06 / $0.184% dearer ·
  10. DeepSeek V4 Flash 0731Charm Hyper$0.20 / $0.40 $0.44 / $1.32164% dearer ·
  11. DeepSeek V4 Flash 0731Cortecs$0.09 / $0.18 $0.06 / $0.1824% cheaper ·
  12. DeepSeek V4 Flash 0731above.dev$0.24 / $0.73 $0.17 / $0.6620% cheaper ·
  13. DeepSeek V4 Flash 0731GMI Cloud$0.09 / $0.18 $0.29 / $0.86277% dearer ·
  14. DeepSeek V4 Flash 0731Mancer$0.17 / $0.50 $0.20 / $0.6021% dearer ·
  15. DeepSeek V4 Flash 0731DeepSeekDeepSeek's list price, in and out per million tokens$0.20 / $0.40 $0.15 / $0.605% dearer ·
  16. DeepSeek V4 Flash 0731Morph$0.12 / $0.35 $0.14 / $0.4015% dearer ·
  17. DeepSeek V4 Flash 0731Relace$0.07 / $0.18 $0.06 / $0.1220% cheaper ·
  18. DeepSeek V4 Flash 0731Sail Research$0.07 / $0.30 $0.07 / $0.3414% dearer ·
  19. Solar Pro 3Nous Portal$0.12 / $0.48 $0.15 / $0.6025% dearer ·
  20. DeepSeek V4 Flash 0731DeepSeek$0.14 / $0.28 $0.15 / $0.6050% dearer ·
  21. DeepSeek V4 Flash 0731Merge Gateway$0.22 / $0.66 $0.14 / $0.2847% cheaper ·
  22. DeepSeek V4 Flash 0731Ofox$0.44 / $1.32 $0.19 / $0.5159% cheaper ·
  23. DeepSeek V4 Flash 0731Zenifra$2.40 / $6.90 $2.20 / $6.606% cheaper ·

Frequently asked

Which is cheaper, DeepSeek V4 Flash 0731 or Solar Pro 3?
DeepSeek V4 Flash 0731, at $0.25 per million tokens against $1.05 for Solar Pro 3, three parts input to one part output, read on 18 Sept 2026.
Where is each one cheapest?
DeepSeek V4 Flash 0731: $0.25 at LLM Gateway. 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: Kilo Gateway, Nous Portal, OpenRouter, NanoGPT. The cheapest of them for the two together is Kilo Gateway.
Which holds more context?
DeepSeek V4 Flash 0731, at 1M tokens against 131k.

Prices exclude tax and are per million tokens, read 18 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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