GPT Terra is OpenAI's language model with a 1.1M context window and up to 128K output tokens, starting at $2.00 / 1M input and $12.00 / 1M output. An LLM alias that always resolves to the current model in OpenAI's internal GPT Terra codename family.
Specifications
Canonical IDopenai-gpt-terra
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window1.1M tokens
Max Output128K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 13 days ago
Knowledge Cutoff · 7 months ago

Capabilities

Input3/5
Text
Image
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities6/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write 5m
$ / 1M
Web Search
$ / request
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OpenRouter
~openai/gpt-terra-latest
$2.00$12.00$0.2$2.50$0.010

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-6 Astra1.1M$10.00$50.00Available
GPT-5.6 Sol1.1M$2.00$10.00Available
GPT-5.6 Terra1.1M$2.00$12.00Available
GPT-5.6 Luna1.1M$0.200$1.20Available
GPT-5.51.1M$5.00$30.00Available
GPT-5.4 Mini400K$0.750$4.50Available
GPT-5.4 Nano400K$0.200$1.25Available
GPT-5.41.1M$2.50$15.00Available
GPT-5.3 Codex400K$1.75$14.00Available
GPT-5.2 Codex400K$1.75$14.00Deprecated
GPT Terra1.1M$2.00$12.00Current

Model IDs

~openai/gpt-terra-latest
openai-gpt-terra
openrouter/~openai/gpt-terra-latest