DeepSeek V4.1 Flash vs gpt-oss-120b.
model vs model · prices as of
DeepSeek V4.1 Flash 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.
DeepSeekDeepSeek 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
OpenAIgpt-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
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
$0.24/M at LLM Gateway
Standard price (lower wins)
$1.05/M
$1.05/M
Cost per 1,000 pages (lower wins)
$0.126
$0.0276
Context
1M tokens
131k tokens
Open weights
yes
yes
Tool calling
yes
yes
Structured output
yes
yes
Reads images
yes
no
Reasoning
yes
yes
Released
10 Sept 2026
5 Aug 2025
Providers selling it
9
68
Price we measure against
the maker's own
OpenRouter
Trains on your prompts (no is better)
no provider to check
not stated
Providers selling both · 6
Kilo Gateway$1.04 / $0.26
Nous Portal$1.04 / $0.26
OpenRouter$1.04 / $1.05
Eden AI$1.05 / $1.05
Fireworks AI$1.32 / $1.05
TrustedRouter$2.22 / $0.27
DeepSeek V4.1 Flash then gpt-oss-120b, 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
- DeepSeek V4.1 FlashKilo Gateway$0.15 / $0.60 $0.15 / $0.591.0% cheaper ·
- DeepSeek V4.1 FlashNous Portal$0.15 / $0.60 $0.15 / $0.591.0% cheaper ·
- DeepSeek V4.1 FlashOpenRouter$0.15 / $0.60 $0.15 / $0.591.0% cheaper ·
- DeepSeek V4.1 FlashTrustedRouter$0.16 / $0.63 $0.32 / $1.27100% dearer ·
- gpt-oss-120b
io.net Intelligence$0.18 / $0.68 $0.17 / $0.637% cheaper · - gpt-oss-120b
Mancer$20,000 / $160,000 $20,000 / $120,00018% cheaper · - gpt-oss-120bMancer$0.05 / $0.40 $0.05 / $0.3018% cheaper ·
- gpt-oss-120bOpenRouterOpenRouter's list price, in and out per million tokens$0.04 / $0.17 $0.15 / $0.60274% dearer ·
- gpt-oss-120bOpenRouter$0.04 / $0.17 $0.15 / $0.60274% dearer ·
- gpt-oss-120b
Requesty$0.03 / $0.14 $0.15 / $0.60345% dearer · - gpt-oss-120b
DeepInfra$0.04 / $0.17 $0.15 / $0.60274% dearer · - gpt-oss-120b
Charm Hyper$0.17 / $0.66 $0.18 / $0.684% dearer · - gpt-oss-120b
DigitalOcean Gradient$0.06 / $0.39 $0.06 / $0.429% dearer · - gpt-oss-120bEden AI$0.17 / $0.76 $0.17 / $0.751% cheaper ·
- gpt-oss-120bNous Portal$0.02 / $0.14 $0.03 / $0.1725% dearer ·
Frequently asked
- Which is cheaper, DeepSeek V4.1 Flash or gpt-oss-120b?
- gpt-oss-120b, at $0.24 per million tokens against $1.05 for DeepSeek V4.1 Flash, three parts input to one part output, read on 18 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. gpt-oss-120b: $0.24 at LLM Gateway.
- Can I buy both from one provider?
- Yes. 6 providers sell both: Kilo Gateway, Nous Portal, OpenRouter, Eden AI, Fireworks AI, TrustedRouter. 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 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.