OpenAI: GPT 5.6 Sol price reduction (until at least Nov 21)

OpenAI has announced a price reduction for its gpt-5.6-sol model, effective until at least November 21. The standard pricing for gpt-5.6-sol is now $4.00 for short context input and $0.40 for short context output. For long context, the input is $5.00 and output is $20.00. Cached input is $8.00, cache writes are $0.80, and cached output is $10.00, with a total output of $30.00. Tokens used for model grading in reinforcement fine-tuning are billed at the model's per-token rate.