GPT-Realtime-2.1
openai/gpt-realtime-2.1Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
Source-linkedgptClosed weightsReleased 2026-07-06
Context window128K
Maximum output32K
Provider offers2
Knowledge cutoff2024-09-30
CapabilitiesWhat this model supports
- Creator
- OpenAI
- Family
- gpt
- Modalities
- Audio, Image, Text
- License
- Not documented
- Release date
- 2026-07-06
- Model ID
openai/gpt-realtime-2.1
Providers offering GPT-Realtime-2.1| Provider | Provider model ID | Context | Input / 1M | Output / 1M | Cached / 1M | Features | All pricing |
|---|
Vercel AI Gateway | openai/gpt-realtime-2.1 | 128K | $4 if offer.cost.input is defined else '—'}} | $24 if offer.cost.output is defined else '—'}} | $0.4 if offer.cost.cache_read is defined else '—'}} | R · · | View{
"cache_read": 0.4,
"input": 4,
"output": 24
} |
OpenAI | gpt-realtime-2.1 | 128K | $4 if offer.cost.input is defined else '—'}} | $24 if offer.cost.output is defined else '—'}} | $0.4 if offer.cost.cache_read is defined else '—'}} | R T · | View{
"cache_read": 0.4,
"input": 4,
"input_audio": 32,
"output": 24,
"output_audio": 64
} |
EvidencePublished benchmark results
Insufficient benchmark coverage. ModelBench does not infer a score from price, context size, or model name.