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What each one decides, how well calibrated it is, how fast it answers and what it costs to pull. Up to 4 at a time; the better value in each row is marked.
| Property | cua/cua-s1-forms | together-ai/tev1 |
|---|---|---|
| Summary | A 2.8 MB byte-level transformer for GUI form filling. For each form element it returns one probability per typed option (fill an entity, check, click or skip), using jevlike's option-attention head. | Together AI's Jev-style classifier. A LoRA fine-tune of Qwen3.5-4B that reads a state, a question and 2 to 24 options and returns one option letter. Served on Together's platform; recipe published. |
| Decides | choice | choice, classify, route |
| Architecture | cua-s1 | tev |
| Fine-tuned from | — | qwen/qwen3.5-4b |
| License | mit | Unspecified — weights licence being finalised |
| Availability | Open weights | Open weights + hosted API |
| Hosted by | — | Together AI |
| Input price | — | $0.042/MTok |
| Decision accuracy | 100.0% | 88.0% |
| Calibration error | — | — |
| Valid action rate | — | — |
| Median latency | — | — |
| p95 latency | — | — |
| Evaluation suite | 196-decision evaluation on real forms | Together development set (reused, not held out) |
| Latest version | 2026.09 | 2026.09 |
| Variants | — | — |
| Size of latest version | 5.4 MB | 8.7 GB |
| Files | 3 | 10 |
| Downloads | 0 | 0 |
| Stars | 0 | 0 |
| Tags | system-one, computer-use, forms, tiny, 706k | system-one, qwen, lora, together, 4b |
| Updated | Sep 26, 2026 | Sep 26, 2026 |