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Model record / OpenAI
Access gpt-5.6-terra-fast from OpenAI through one OpenAI-compatible API with live market-linked pricing and usage-based billing.
Requests above 271,999 input tokens use $8.00 input and $36.00 output per 1M tokens.
See how much this model saves and when its recorded price has been lowest.
Savings are visible now, but a best-time recommendation needs at least 12 observations across 6 different hours.
Average saved
36.4%
Cheapest time
Collecting data
Hourly coverage
3/24
Signal quality
Early
Hover a bar for savings per token and observation counts.
Source buckets are UTC; labels are converted to UTC.
Last 24 hours
#335
of 348 ranked models
Last 7 days
#341
of 370 ranked models
Last 30 days
#341
of 370 ranked models
Ready when you are
Marketplace pricing, capped at list, optimized further.
POST /v1/chat/completions
curl https://api.cheaperinference.com/v1/chat/completions \ -H "Authorization: Bearer ci_live_YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "gpt-5.6-terra-fast", "messages": [ { "role": "user", "content": "Reply with the single word OK." } ] }'POST /v1/responses
curl https://api.cheaperinference.com/v1/responses \ -H "Authorization: Bearer ci_live_YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "input": [ { "role": "user", POST /v1/messages
curl https://api.cheaperinference.com/v1/messages \ -H "Authorization: Bearer ci_live_YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "gpt-5.6-terra-fast", "messages": [ {