---
license: other
license_name: lfm1.0
base_model: LiquidAI/LFM3-VL-2B
pipeline_tag: image-text-to-text
library_name: transformers
tags:
- webbrain
- compass-v6
- liquid
- lfm3
- lfm3-vl
- browser-agent
- decision-model
- webbrain-vld
- custom_code
---

# WebBrain Compass VLD v6 (2B)

**WebBrain Compass VLD v6 2B** is WebBrain's default multimodal WebGPU in-browser browser agent model, succeeding Compass VLD Tiny v5.
It fine-tunes `webbrain-one/lfm3-vld-2b-multipass` (derived from `LiquidAI/LFM3-VL-2B`) on a license-clean 70k multimodal browser agent training mix, operating entirely without tool calls in the browser across three core roles:

1. **Tiny Ask & Standalone Chat**: Single-turn and multi-turn Q&A from page text/screenshot and offline Wikipedia / Emergency Box passages with byte-exact citation tokens (`[WB-W-XXXXXX]`). Politely refuses Act/Dev requests in user's language.
2. **Vision Description**: WebBrain standard six-section structured descriptions of browser viewports (Page purpose, Visible text, Inputs, State signals, Blockers, Unknowns).
3. **Decisions via Verify Protocol**: Fast verify scoring ('Proposed answer: ... Is the proposed answer correct? Answer Yes or No.') evaluated via Yes-minus-No logit margins and linear probe on final hidden state (`decision_hidden`).

## Companion Repositories

- [`webbrain-one/webbrain-compass-vld-v6-2b-onnx`](https://huggingface.co/webbrain-one/webbrain-compass-vld-v6-2b-onnx): WebGPU ONNX bundle (`decoder_q8f16.onnx`, `decoder_q4f16.onnx` with `decision_hidden` exposed, `vision_encoder_fp16.onnx`, and trained linear decision probes).
- [`webbrain-one/webbrain-compass-vld-v6-2b-gguf`](https://huggingface.co/webbrain-one/webbrain-compass-vld-v6-2b-gguf): GGUF exports (`BF16`, `Q8_0`, `Q4_K_M`, and `mmproj-F16`) for `llama.cpp` (`/v1/chat/completions` + `/v1/systemone`).
- [`webbrain-one/webbrain-compass-vld-v6-2b-lora`](https://huggingface.co/webbrain-one/webbrain-compass-vld-v6-2b-lora): LoRA adapter (`r=32, alpha=64`) and projector weights.

## Evaluation Results & Gates

| Evaluation Gate | Target | Achieved Result | Status |
| :--- | :--- | :--- | :--- |
| **Vision Suite (Q4_K_M) (E1)** | >= 44/100 strict & > 58 (v5 baseline) | **62/100 strict** (mean rubric: 0.8930, 0 errors, 1.13s latency) | **PASS** |
| **Vision Suite (Q8_0) (E1)** | Reference verification | **66/100 strict** (mean rubric: 0.8994, 0 errors, 1.50s latency) | **PASS** |
| **Six-Section Validity (E5)** | >= 99.0% | **99.00%** (495/500 held-out VL-2 val cases valid) | **PASS** |
| **d1 final_test Raw Verify (E3)** | >= 120/126 verify, 24/24 comp, 0/48 false comp, >= 23/24 unknown | **122/126 verify**, **24/24 comp**, **0/48 false comp**, **24/24 unknown** | **PASS** |
| **In-Browser Chat Held-Out (E4)** | Lang >= 95%, Act >= 95%, Citations 100%, 0 leaks | Lang: **95.95%**, Act: **100.0%**, Citations: **100.0%**, Leaks: **0** | **PASS** |
| **Routing Replay (E2)** | Structured >= 95/100, loose > 32/89, 0 length hits | Structured: **96/100**, Loose: **33/89**, Length hits: **0** | **PASS** |

## License & Provenance Audit

- **Base Model**: `LiquidAI/LFM3-VL-2B` (LFM Open License v1.0).
- **Training Mix**: 70,717 train rows, 1,631 val rows across 5 license-audited components:
  - `vision_vl2` (46,879): CC-BY-4.0 (WebSight, ScreenParse, MiniWoB++, synthetic web renders).
  - `vision_curated` (5,880): Permissive (Orchard MIT, markov-ai Apache-2.0, look-before-you-click MIT).
  - `decision_d1` (7,236): Synthetic / Internal d1 balanced-V3 browser decision tasks.
  - `routing_compass` (6,950): Commercial manifest (WebBrain traces, Orchard MIT, Reduced-A11y CC BY 4.0, markov-ai Apache-2.0, Mind2Web CC BY 4.0).
  - `chat_inbrowser` (3,822): CC-BY-4.0 / CC-BY-SA (Multilingual page QA, Turkish >= 20%, Act refusals, offline RAG, query translations).
- **Strict Exclusions**: WebChain (strictly excluded), WebLINX (strictly excluded), Compass v3 (strictly excluded).