GPT RT2.1 Audio is OpenAI's language model. A real-time multimodal LLM variant from OpenAI's GPT-RT2 series optimized for low-latency audio interaction and speech-based conversational use cases.
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 | |
|---|---|---|
| Cache Read $ / 1M | Audio In $ / 1M | |
| $0.52 | $41.60 | |
Cost Calculator
US Dollar ($)
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 Audio | — | — | — | — | Current |