Whether OpenAI: GPT-5.3 Chat supports tool calling cannot be decided from the name alone. Check model ID openai/gpt-5.3-chat, provider OpenAI, catalog params, modality, a lightweight runtime probe, and the error body together.
Whether OpenAI: GPT-5.3 Chat supports tool calling cannot be decided from the name alone. Check model ID openai/gpt-5.3-chat, provider OpenAI, catalog params, modality, a lightweight runtime probe, and the error body together.
Read-only check. Detection data burns after 5 minutes.
OpenAI: GPT-5.3 Chat tool calling should turn into an operator action: confirm sale tags, fill the capability matrix, change route, suggest a fallback model, or mark unsupported for now.
