Model capability probe

ByteDance: UI-TARS 7B | tool calling

Whether ByteDance: UI-TARS 7B supports tool calling cannot be decided from the name alone. Check model ID bytedance/ui-tars-1.5-7b, provider ByteDance (Doubao), catalog params, modality, a lightweight runtime probe, and the error body together.

Model

bytedance/ui-tars-1.5-7b

ByteDance: UI-TARS 7B

Provider

ByteDance (Doubao)

1 models in catalog

Capability

tool calling

tool-calling

Catalog signal

runtime probe required

Context: 128,000

Capability probe summary

Model

bytedance/ui-tars-1.5-7b

Capability

tool-calling

Catalog signal

runtime probe required

Read-only check. Detection data burns after 5 minutes.

How to judge this capability

Whether ByteDance: UI-TARS 7B supports tool calling cannot be decided from the name alone. Check model ID bytedance/ui-tars-1.5-7b, provider ByteDance (Doubao), catalog params, modality, a lightweight runtime probe, and the error body together.

Model: bytedance/ui-tars-1.5-7b
Provider: ByteDance (Doubao)
Capability: tool calling

How to prove it during checking

Read-only check. Detection data burns after 5 minutes.

Start with the catalog signal: runtime probe required, then verify with a real key in read-only mode.
The capability probe must bind model ID bytedance/ui-tars-1.5-7b; do not test another model from the same provider.
tool calling · supports frequency_penalty · supports logit_bias · supports max_tokens · supports presence_penalty

Next action

ByteDance: UI-TARS 7B tool calling should turn into an operator action: confirm sale tags, fill the capability matrix, change route, suggest a fallback model, or mark unsupported for now.

Read-only check. Detection data burns after 5 minutes.
Catalog signal: runtime probe required
Context: 128,000

Open key checker

Read-only check. Detection data burns after 5 minutes.

Open models

ByteDance: UI-TARS 7B

Open providers

ByteDance (Doubao)