Model Price Index
Updated 2026-07-14 · Changelog

GPT-5.6 Terra

OpenAI

Balanced GPT-5.6-class model for everyday reasoning, coding, and agentic tasks

$2.50

Input

$15.00

Output

per 1M tokens
272K input tokens

Above 272K input tokens per request: $5.00 in / $22.50 out. Cache and batch rates step at the same bracket.

Ratesper 1M tokens

GPT-5.6 Terra pricing by input token bracket
Rate≤272K>272K
Standard Input$2.50$5.00
Standard Output$15.00$22.50
Cache Read$0.25$0.50
Cache Write$3.125$6.25
Batch Input$1.25$2.50
Batch Output$7.50$11.25

Bracket is selected by input tokens per request.

Estimate Your Monthly Cost

A request with input and output tokens, requests / month at a % cache hit rate $475.00/mo≤272K rate

Compare all models at this workload →

Per-request input tokens select the bracket. Excludes cache writes and batch discounts.

Specifications

API Model IDgpt-5.6-terra
Context Window1.05M tokens

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