Skip to content
ModelCap

Head-to-head comparison

UI-TARS 7B vs aya vision 32b

UI-TARS 7B (ByteDance) and aya vision 32b (CohereLabs) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 17 August 2026

As of 17 August 2026, UI-TARS 7B holds the stronger ModelCap Index position (#127 vs #129); and UI-TARS 7B ships open weights.

Which should you choose?

Choose UI-TARS 7B if…

  • you want the stronger overall ModelCap Index position — #127 against #129 (22.5 vs 22.5 points).
  • you want to self-host: UI-TARS 7B ships open weights while aya vision 32b is gated access.
  • you want provider choice — 1 listed API providers against 0.
  • you want the more recently listed model — UI-TARS 7B was listed 22 July 2025, aya vision 32b 2 March 2025.

Choose aya vision 32b if…

  • ModelCap publishes no field on which aya vision 32b leads UI-TARS 7B for this pair.

UI-TARS 7B vs aya vision 32b: specs, pricing and context

Specification comparison of UI-TARS 7B and aya vision 32b
FieldUI-TARS 7BByteDanceaya vision 32bCohereLabs
ModelCap Index position#127#129
Index score22.522.5
EvidenceEstimatedEstimated
Input price / 1M tokens$0.10Unlisted
Output price / 1M tokens$0.20Unlisted
Context window128K tokens— tokens
Max output tokens2K—
API providers listed10
Weight accessOpen weightsGated access
Input modalitiesImage, TextText, Image
First listed22 July 20252 March 2025
PublisherByteDanceCohereLabs

Evidence: global corpus prior · leave-one-anchor-out calibrated · global corpus prior · leave-one-anchor-out calibrated. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: UI-TARS 7B vs aya vision 32b

Neither model has a published result on a public benchmark board ModelCap tracks yet.

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

UI-TARS 7B vs aya vision 32b: common questions

Is UI-TARS 7B better than aya vision 32b?

UI-TARS 7B ranks higher on the ModelCap Index as of 17 August 2026: #127 against #129. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is UI-TARS 7B cheaper than aya vision 32b?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, UI-TARS 7B or aya vision 32b?

Both publish a 128K-token context window.

Which is better for coding, UI-TARS 7B or aya vision 32b?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are UI-TARS 7B and aya vision 32b open-weight models?

UI-TARS 7B: Open weights. aya vision 32b: Gated access. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run UI-TARS 7B and aya vision 32b?

ModelCap currently lists 1 API provider for UI-TARS 7B and 0 for aya vision 32b, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this UI-TARS 7B vs aya vision 32b comparison?

Every figure comes from the sealed ModelCap dataset published 17 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

Explore further