Multi-Modal Frontiers & Vector Architecture
Open-Source Visual Language Models
Open-source visual language models bring image understanding and generation to self-hosted stacks with control over data and cost. Quality has risen fast, but tooling, evaluation, and safety are still maturing. The right choice balances capability, hardware, and maintenance burden.
Key points
- Evaluate VLMs on your own images and tasks, not just public benchmarks.
- Check vision encoder quality and resolution limits for your use case.
- Quantize and serve with supported engines; VLM serving is harder than text-only.
- Measure hallucination and grounding on real documents and screenshots.
- Plan GPU memory around both vision encoder and language model.
- Add safety filters for generated and described visual content.
- Track model updates and re-run evals before upgrading.
- Keep a text-only fallback for cases where vision adds no value.
Frequently asked questions
Are open VLMs production-ready?
For scoped tasks with evals yes; for open-ended vision work, tooling is still maturing.
Do VLMs need special serving?
Yes, vision encoders and image preprocessing add memory and latency.
How do I reduce hallucination?
Ground answers in OCR and structured extraction, and validate outputs.
What hardware do I need?
Depends on model size; small VLMs run on one GPU, large ones need more.
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