Muse Spark 1.2 Contributor vs UI-TARS 7B

Prices checked

Muse Spark 1.2 Contributor takes 1 of 5 rounds against UI-TARS 7B . Both cost $0.13 per million tokens to run.

MetaWins 1 round

Muse Spark 1.2 Contributor

1M context · tool calling · reads images

$0.13/M tokens

Meta's own price · 7.2¢ per 1,000 pages

ByteDance

UI-TARS 7B

128k context · reads images · open weights

$0.13/M tokens

OpenRouter's own price · 7.2¢ per 1,000 pages

Maker's price in (lower wins)

$0.10/M

$0.10/M

Maker's price out (lower wins)

$0.20/M

$0.20/M

Cheapest price (lower wins)

none below the maker

none below the maker

Maker's price, blended (lower wins)

$0.13/M

$0.13/M

Cost per 1,000 pages (lower wins)

7.2¢

7.2¢

Context

1M tokens

128k tokens

Open weights

no

yes

Tool calling

yes

no

Structured output

yes

yes

Reads images

yes

yes

Reasoning

yes

no

Released

5 Aug 2026

22 Jul 2025

Providers selling it

10

5

Price we measure against

the maker's own

OpenRouter

Trains on your prompts (no is better)

no provider to check

no provider to check

Providers selling both · 2

  • Kilo Gateway$0.13 / $0.13
  • OpenRouter$0.13 / $0.13

Muse Spark 1.2 Contributor, then UI-TARS 7B , per million tokens.

Go further

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

Frequently asked

Which is cheaper, Muse Spark 1.2 Contributor or UI-TARS 7B ?
Neither: both run at $0.13 per million tokens, blended 3 in : 1 out, read on 31 Oct 2026.
Where is each one cheapest?
Muse Spark 1.2 Contributor: nobody sells it below the maker's own price with a stated reason, so $0.13 is the number to beat. UI-TARS 7B : nobody sells it below OpenRouter's own price with a stated reason, so $0.13 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 1.2 Contributor, at 1M tokens against 128k.

Prices exclude tax, read 31 Oct 2026 from each provider's own catalog. They are per M tokens, blended 3 in : 1 out, and a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.

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