OpenAI · Model identity
GPT-5.6 Terra
Prompts over 272K input tokens are billed at the published long-context rate.
3pricing routes
What published route metadata supports
CachingFile inputReasoningStructured outputTool useVisionWeb search
Input modalities
FilesImageText
Supported API parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools
Only source-backed fields are filled
Release dateJul 9, 2026
Knowledge cutoffFeb 16, 2026
Open weightsNot independently verified
OpenRouter catalog date2026-07-09
First-party metadata verified Aug 26, 2026. Unfilled fields remain unknown. LLMPrice does not infer release dates, knowledge cutoffs, open-weight status, or licenses from a model name, repository link, or pricing route.
Route savings
Cheapest on bothCheapest standard route
Direct API + OpenRouterLowest published standard input and output rates for this model.
Input$2 / 1MDirect API + OpenRouterTied for the lowest published rate
Output$12 / 1MDirect API + OpenRouterTied for the lowest published rate
Based on current published standard rates. Batch, long-context, and other special billing variants are excluded from this summary.
Could this workload cost less?Compare GPT-5.6 Terra with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| Direct APIStandard | gpt-5.6-terra | $2 | $0.2 | $12 | 1.05M | Official provider ↗ |
| OpenRouterBatch | openai/gpt-5.6-terra:batch | $1 | $0.1 | $6 | 1.05M | OpenRouter API ↗ |
| OpenRouterStandard | openai/gpt-5.6-terra | $2 | $0.2 | $12 | 1.05M | OpenRouter API ↗ |
0 verified price changes since Aug 26, 2026
2 route availability changes recorded. No earlier prices are inferred.
- Sep 1, 2026OpenRouter · Batch
New pricing route added
- Aug 28, 2026OpenRouter · Batch
Pricing route removed