KuraberuAIupdated 18 Sept 2026

DeepSeek V4 Flash 0731 vs gpt-oss-120b.

model vs model · prices as of

DeepSeek V4 Flash 0731 and gpt-oss-120b split the 5 rounds this table counts: the two list price rows, the cheapest price we can explain, the standard price and context. The weighting you pick decides the rest.

DeepSeek

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

LLM Gateway ↗
OpenAI

gpt-oss-120b

$0.24/M tokens

cheapest we can explain, at LLM Gateway · $0.0276 per 1,000 pages

131k context · tool calling · open weights

LLM Gateway ↗

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

$0.24/M at LLM Gateway

Standard price (lower wins)

$1.05/M

$1.05/M

Cost per 1,000 pages (lower wins)

$0.036

$0.0276

Context

1M tokens

131k tokens

Open weights

yes

yes

Tool calling

yes

yes

Structured output

yes

yes

Reads images

no

no

Reasoning

yes

yes

Released

31 Jul 2026

5 Aug 2025

Providers selling it

97

68

Price we measure against

the maker's own

OpenRouter

Trains on your prompts (no is better)

not stated

not stated

Providers selling both · 39

  • LLM Gateway$0.25 / $0.24
  • Kilo Gateway$0.34 / $0.26
  • Nous Portal$0.34 / $0.26
  • DeepInfra$0.36 / $0.28
  • TrustedRouter$0.39 / $0.27
  • CoreWeave$0.67 / $0.26
  • CoreWeave$0.70 / $0.26
  • OrcaRouter$0.74 / $0.26

DeepSeek V4 Flash 0731 then gpt-oss-120b, per million tokens · showing the 8 cheapest of 39

Go further

open in the compare tool →every price for DeepSeek V4 Flash 0731every price for gpt-oss-120b

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. gpt-oss-120bio.net Intelligence$0.18 / $0.68 $0.17 / $0.637% cheaper ·
  11. gpt-oss-120bMancer$20,000 / $160,000 $20,000 / $120,00018% cheaper ·
  12. gpt-oss-120bMancer$0.05 / $0.40 $0.05 / $0.3018% cheaper ·
  13. gpt-oss-120bOpenRouterOpenRouter's list price, in and out per million tokens$0.04 / $0.17 $0.15 / $0.60274% dearer ·
  14. gpt-oss-120bOpenRouter$0.04 / $0.17 $0.15 / $0.60274% dearer ·
  15. gpt-oss-120bRequesty$0.03 / $0.14 $0.15 / $0.60345% dearer ·
  16. DeepSeek V4 Flash 0731Charm Hyper$0.20 / $0.40 $0.44 / $1.32164% dearer ·
  17. DeepSeek V4 Flash 0731Cortecs$0.09 / $0.18 $0.06 / $0.1824% cheaper ·
  18. gpt-oss-120bDeepInfra$0.04 / $0.17 $0.15 / $0.60274% dearer ·
  19. DeepSeek V4 Flash 0731above.dev$0.24 / $0.73 $0.17 / $0.6620% cheaper ·
  20. DeepSeek V4 Flash 0731GMI Cloud$0.09 / $0.18 $0.29 / $0.86277% dearer ·
  21. DeepSeek V4 Flash 0731Mancer$0.17 / $0.50 $0.20 / $0.6021% dearer ·
  22. DeepSeek V4 Flash 0731DeepSeekDeepSeek's list price, in and out per million tokens$0.20 / $0.40 $0.15 / $0.605% dearer ·
  23. DeepSeek V4 Flash 0731Morph$0.12 / $0.35 $0.14 / $0.4015% dearer ·
  24. DeepSeek V4 Flash 0731Relace$0.07 / $0.18 $0.06 / $0.1220% cheaper ·
  25. DeepSeek V4 Flash 0731Sail Research$0.07 / $0.30 $0.07 / $0.3414% dearer ·
  26. gpt-oss-120bCharm Hyper$0.17 / $0.66 $0.18 / $0.684% dearer ·
  27. gpt-oss-120bDigitalOcean Gradient$0.06 / $0.39 $0.06 / $0.429% dearer ·
  28. gpt-oss-120bEden AI$0.17 / $0.76 $0.17 / $0.751% cheaper ·
  29. gpt-oss-120bNous Portal$0.02 / $0.14 $0.03 / $0.1725% dearer ·
  30. DeepSeek V4 Flash 0731DeepSeek$0.14 / $0.28 $0.15 / $0.6050% dearer ·
  31. DeepSeek V4 Flash 0731Merge Gateway$0.22 / $0.66 $0.14 / $0.2847% cheaper ·
  32. DeepSeek V4 Flash 0731Ofox$0.44 / $1.32 $0.19 / $0.5159% cheaper ·
  33. DeepSeek V4 Flash 0731Zenifra$2.40 / $6.90 $2.20 / $6.606% cheaper ·

Frequently asked

Which is cheaper, DeepSeek V4 Flash 0731 or gpt-oss-120b?
gpt-oss-120b, at $0.24 per million tokens against $0.25 for DeepSeek V4 Flash 0731, 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. gpt-oss-120b: $0.24 at LLM Gateway.
Can I buy both from one provider?
Yes. 39 providers sell both: LLM Gateway, Kilo Gateway, Nous Portal, DeepInfra, TrustedRouter, CoreWeave, and more. The cheapest of them for the two together is LLM 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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