Model page
Qwen 3.6 Plus
Alibaba's flagship closed Qwen model via Fireworks. 396B MoE with function calling and image input support. Available serverless on just4o.chat at the base tier. Does not support web search.
Key dates
We use concrete dates and keep them consistent across the site.
Modalities
Input and output
Input: Text, Image
Output: Text
Features
Availability notes
Cached input: $0.10 / 1M tokens · Function calling supported · Dedicated Fireworks deployments are available separately
ChatGPT
GPT‑4o retirement (ChatGPT)
OpenAI is retiring GPT‑4o inside ChatGPT on February 13, 2026. This does not automatically imply API removal.