by OpenAI
GPT‑5.6 Sol sets a new standard for both intelligence and efficiency, achieving state-of-the-art results across coding, knowledge work, cybersecurity, and science while outperforming previous and competing frontier models with fewer tokens and at lower estimated cost.
GPT‑5.6 Sol sets a new standard for both intelligence and efficiency, achieving state-of-the-art results across coding, knowledge work, cybersecurity, and science while outperforming previous and competing frontier models with fewer tokens and at lower estimated cost.
gpt-5.6-sol has a 1,050,000 token context window.
On AIHubMix, gpt-5.6-sol costs $5 per million input tokens and $30 per million output tokens.
gpt-5.6-sol accepts text and image input.
gpt-5.6-sol supports tool calling, thinking and structured outputs. Per-protocol parameter support is listed in the capability table on this page.
gpt-5.6-sol 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-5.6-sol — no other code changes needed.
gpt-5.6-sol is developed by OpenAI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
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Use gpt-5.6-sol via the AIHubMix unified API — one interface for every major LLM.