openai
OpenAI: GPT-5.6 Sol API Pricing
OpenAI: GPT-5.6 Sol costs $2.00 per 1M input tokens and $10.00 per 1M output tokens (cache reads: $0.200). Context window: 1.1M. Prices verified 2026-08-23 · source
Input / 1M tokens
$2.00
Output / 1M tokens
$10.00
Context window
1.1M
Max output
128K
What would OpenAI: GPT-5.6 Sol cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $56.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $180.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $390.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $100.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: GPT-5.6 Sol
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...