OpenAI: GPT-5.6 Sol (openai/gpt-5.6-sol) costs $4 per 1M prompt tokens and $20 per 1M completion tokens, has a 1,050,000-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.
- Prompt price
- $4 / 1M tokens
- Completion price
- $20 / 1M tokens
- Context
- 1,050,000 tokens
- Input modalities
- file, image, text
- Output modalities
- text
- Tokenizer
- GPT
- Instruct type
- —
- Knowledge cutoff
- 2026-02-16
- Hugging Face
- —
Last price change: 2026-10-15
GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...