by OpenAI
GPT-5.5 raises the baseline for complex production workflows. It’s a strong fit for coding use cases, tool-heavy agents, grounded assistants, long-context retrieval, product-spec-to-plan workflows, and customer-facing workflows where execution quality and response polish are critical.
GPT-5.5 raises the baseline for complex production workflows. It’s a strong fit for coding use cases, tool-heavy agents, grounded assistants, long-context retrieval, product-spec-to-plan workflows, and customer-facing workflows where execution quality and response polish are critical.
gpt-5.5 has a 1,050,000 token context window.
On AIHubMix, gpt-5.5 costs $5 per million input tokens and $30 per million output tokens. Cached input reads are billed at $0.5 per million tokens.
gpt-5.5 accepts text and image input.
gpt-5.5 supports thinking, function calling, structured outputs, web and tool calling. Per-protocol parameter support is listed in the capability table on this page.
gpt-5.5 is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to gpt-5.5 — no other code changes needed.
gpt-5.5 is developed by OpenAI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
Free version: gpt-5.5-free
GPT-5.6 Luna is designed for cost-sensitive, high-volume workloads. It roughly…
GPT‑5.6 Sol sets a new standard for both intelligence and efficiency, achieving…
GPT-5.6 Terra is designed for workloads that balance intelligence and cost. It roughly…
GPT-4o Transcribe Diarize is an automatic speech recognition (ASR) model with built-in…
The gpt-audio model is OpenAI's first officially released (generally available) audio…
GPT-image-2 is OpenAI's latest cutting-edge image generation model. Key value adds…
Use gpt-5.5 via the AIHubMix unified API — one interface for every major LLM.