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.
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
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Cache Read $ / 1M | |
| $5.20 | $0.52 | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-6.1 Terra | 1.1M | $1.00 | $5.00 | Available | |
| GPT-6.1 Sol | 1.1M | $2.00 | $10.00 | Available | |
| GPT-6 Sol | 1.1M | $2.00 | $10.00 | Available | |
| GPT-6 Luna | 1.1M | $0.100 | $0.500 | Available | |
| GPT-6 Astra | 1.1M | $10.00 | $50.00 | Available | |
| GPT-5.6 Terra | 1.1M | $2.00 | $12.00 | Deprecating | |
| GPT-4o Audio | 128K | $2.50 | $10.00 | Deprecated | |
| GPT-4.1 mini | 1.0M | $0.200 | $0.800 | Available | |
| GPT-4.1 | 1.0M | $2.00 | $8.00 | Deprecated | |
| GPT-4.1 Batch | 1.0M | $1.00 | $4.00 | Available | |
| GPT RT2.1 Text | — | — | — | — | Current |