OpenAI
Latency—
Throughput—
Upload rate—
Context length—
Max output—
Input price—1M output tokens
Output price$121M output tokens
Cache read—1M output tokens
Cache write—1M output tokens
Console
Sign in
openai/gpt-5.6-terra
OpenAI: gpt-5.6-terra
OpenAI began the limited preview of GPT-5.6 Terra on June 26, 2026, as part of the GPT-5.6 family. The generally available GPT-5.6 release followed the preview, with Terra positioned between Sol and Luna for workloads where capability, speed, and cost need to be balanced.
Modetext → text
Input price—
Output price$12 per M tokens
Context length
Weekly usage75 tokens
Listed at
Performance
Avg TPS—
Avg latency—
Avg success rate—
TPS—
TTFT—
Latency—
Success rate—
Success rate
Speed
Code Example
Replace <YOUR_API_KEY> with the API key generated on your token management page.
Authentication
All requests must include the Authorization: Bearer <TOKEN> header.
Endpoint Path
POST
Supported Parameters
ParameterTypeDefaultDescription
Rate Limits
GroupRPMTPMRPD
RPM = requests per minute, TPM = tokens per minute, RPD = requests per day. Limits apply by token group.
Pricing
GroupBilling typePrice summary
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens
OpenAI0%
Per call
Input price—per 1M tokens
Completion price12per 1M tokens
Cache read price—per 1M tokens
Cache write price—per 1M tokens