GPT RT2.1 Text is OpenAI's language model. A real-time multimodal LLM variant from OpenAI's GPT-RT2 series optimized for low-latency text-based conversational interaction.
Specifications
Canonical IDopenai-gpt-rt2-1-text
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Input ModalitiesText
Output ModalitiesText

Capabilities

Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
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
Cache Read
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
openai:gptrt21text
$5.20$0.52

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-6.1 Terra1.1M$1.00$5.00Available
GPT-6.1 Sol1.1M$2.00$10.00Available
GPT-6 Sol1.1M$2.00$10.00Available
GPT-6 Luna1.1M$0.100$0.500Available
GPT-6 Astra1.1M$10.00$50.00Available
GPT-5.6 Terra1.1M$2.00$12.00Deprecating
GPT-4o Audio128K$2.50$10.00Deprecated
GPT-4.1 mini1.0M$0.200$0.800Available
GPT-4.11.0M$2.00$8.00Deprecated
GPT-4.1 Batch1.0M$1.00$4.00Available
GPT RT2.1 Text————Current

Model IDs

openai-gpt-rt2-1-text