OpenAI

GPT-5.6 Sol API cost calculator

OpenAI's flagship model for demanding agentic tasks, calculated at the standard API processing rate.

Model ID
gpt-5.6-sol
Effective
2026-07-31
Checked
2026-07-31
Pricing verified against the official source on Jul 31, 2026.

Usage

Describe your workload

USD per 1M tokens
Input
$5.00
Cached
$0.5
Output
$30.00

Estimated cost

Verified
$178.80per month
Per request$0.0596
Per day$5.96

Monthly breakdown

Standard input$42.00
Cached input$1.80
Output$135.00

Excludes platform fees, taxes, tools, storage, and provider-specific tier rules.

How the estimate is calculated

Standard input tokens are billed at $5.00 per million, cached input at $0.50 per million, and output tokens at $30.00 per million.

monthly cost = 30 × requests/day × (input cost + cached input cost + output cost)

What this estimate excludes

Provider account tiers, regional taxes, tool calls, storage, fine-tuning, data transfer, and other product-specific charges are excluded unless explicitly represented in the calculator.

Pricing notes

  • The recorded rate is OpenAI's standard processing price for context lengths below 270K tokens.
  • Batch processing discounts and the 10% data-residency surcharge are not included.