Which is cheaper, Muse Spark 1.3 Contributor or UI-TARS 7B ?

Neither: both run at $0.50 per million tokens, three parts input to one part output, read on 16 Sept 2026.

Where is each one cheapest?

Muse Spark 1.3 Contributor: nobody goes below the maker's own price with a reason we can point at, so $0.50 is the number to beat. UI-TARS 7B : nobody goes below OpenRouter's own price with a reason we can point at, so $0.50 is the number to beat.

Can I buy both from one provider?

Yes. 2 providers sell both: Kilo Gateway, OpenRouter. The cheapest of them for the two together is Kilo Gateway.

Which holds more context?

Muse Spark 1.3 Contributor, at 1M tokens against 128k.

Muse Spark 1.3 Contributor vs UI-TARS 7B .

model vs model · prices as of 16 Sept 2026

Muse Spark 1.3 Contributor takes 1 of 5 rounds against UI-TARS 7B . Both cost $0.50 per million tokens to run.

Metawins 1 rounds

Muse Spark 1.3 Contributor

$0.50/M tokens

Meta list price, nothing below it is accounted for · $0.072 per 1,000 pages

1M context · tool calling · reads images

ByteDance

UI-TARS 7B

$0.50/M tokens

OpenRouter list price, nothing below it is accounted for · $0.072 per 1,000 pages

128k context · reads images · open weights

List price in (lower wins)

$0.10/M

List price out (lower wins)

$0.20/M

Cheapest we can explain (lower wins)

none below list

Standard price (lower wins)

$0.50/M

Cost per 1,000 pages (lower wins)

$0.072

Context

1M tokens

128k tokens

Open weights

yes

Tool calling

yes

Structured output

yes

Reads images

yes

Reasoning

yes

Released

2 Sept 2026

22 Jul 2025

Providers selling it

Price we measure against

the maker's own

OpenRouter

Trains on your prompts (no is better)

no provider to check

Providers selling both · 2

Kilo Gateway$0.50 / $0.50
OpenRouter$0.50 / $0.50

Muse Spark 1.3 Contributor then UI-TARS 7B , per million tokens

Go further

open in the compare tool →every price for Muse Spark 1.3 Contributor every price for UI-TARS 7B

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

Frequently asked

Which is cheaper, Muse Spark 1.3 Contributor or UI-TARS 7B ?: Neither: both run at $0.50 per million tokens, three parts input to one part output, read on 16 Sept 2026.
Where is each one cheapest?: Muse Spark 1.3 Contributor: nobody goes below the maker's own price with a reason we can point at, so $0.50 is the number to beat. UI-TARS 7B : nobody goes below OpenRouter's own price with a reason we can point at, so $0.50 is the number to beat.
Can I buy both from one provider?: Yes. 2 providers sell both: Kilo Gateway, OpenRouter. The cheapest of them for the two together is Kilo Gateway.
Which holds more context?: Muse Spark 1.3 Contributor, at 1M tokens against 128k.

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.