How to judge this capability
Whether xAI: Grok 4.20 Multi-Agent supports vision input cannot be decided from the name alone. Check model ID x-ai/grok-4.20-multi-agent, provider xAI, catalog params, modality, a lightweight runtime probe, and the error body together.
- Model: x-ai/grok-4.20-multi-agent
- Provider: xAI
- Capability: vision input