UI-TARS-1.5 is a multimodal vision-language agent optimized for GUI-based environments, including desktop interfaces, web browsers, mobile systems, and games. Built by ByteDance, it builds upon the UI-TARS framework with reinforcement...
Model details →ByteDance: UI-TARS 7B vs Anthropic: Claude Opus Latest
Anthropic: Claude Opus Latest wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
This model always redirects to the latest model in the Claude Opus family.
Model details →Side-by-side comparison
| Capability | ByteDance: UI-TARS 7B | Anthropic: Claude Opus Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 128K | 1M | 🏆 Anthropic: Claude Opus Latest |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.10 | $5.00 | 🏆 ByteDance: UI-TARS 7B |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.20 | $25.00 | 🏆 ByteDance: UI-TARS 7B |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 Anthropic: Claude Opus Latest |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Anthropic: Claude Opus Latest |
Frequently asked questions
Is ByteDance: UI-TARS 7B better than Anthropic: Claude Opus Latest?
Anthropic: Claude Opus Latest wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between ByteDance: UI-TARS 7B and Anthropic: Claude Opus Latest?
Input: $0.10 vs $5.00 per 1M tokens. Output: $0.20 vs $25.00 per 1M tokens.
What context windows do ByteDance: UI-TARS 7B and Anthropic: Claude Opus Latest support?
ByteDance: UI-TARS 7B supports up to 128K tokens. Anthropic: Claude Opus Latest supports up to 1M tokens.
Do both ByteDance: UI-TARS 7B and Anthropic: Claude Opus Latest support tool calling?
ByteDance: UI-TARS 7B: not advertised. Anthropic: Claude Opus Latest: yes.
Compare ByteDance: UI-TARS 7B with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest