OpenAI

GPT-5.6 Terra API cost calculator

OpenAI's balanced model for performance-sensitive, high-throughput production workloads.

Model ID
gpt-5.6-terra
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
$2.00
Cached
$0.2
Output
$12.00

Estimated cost

Verified
$198.75per month
Per request$0.0133
Per day$6.63

Monthly breakdown

Standard input$52.50
Cached input$2.25
Output$144.00

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

How the estimate is calculated

Standard input tokens are billed at $2.00 per million, cached input at $0.20 per million, and output tokens at $12.00 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.