Realtime voice model

gpt-realtime-2.1 pricing

OpenAI charges $4.00 per million input tokens and $24.00 per million output tokens for gpt-realtime-2.1, and $0.40 for cached input, with audio at $32.00 in and $64.00 out. Below: every rate that applies, what common workloads cost, and cheaper options.

Input
$4.00/ 1M
Output
$24.00/ 1M
Cached input
$0.40/ 1M
Audio input
$32.00/ 1M

All rates

TierInputOutputCache readCache write
Standard$4.00$24.00$0.40—

USD per million tokens. Audio output costs $64.00. Long-context tiers apply when the whole prompt, cached tokens included, passes the threshold.

Work it out

Per call—
Per 1,000 calls—
Per month—

What common workloads cost

WorkloadCost

Planning a mix of models? Simulate a workload with gpt-realtime-2.1, alongside anything else you run.

Price history

No price changes since Veqen started tracking this model.

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Last verified with price book 2026-10-22. Sources: OpenAI pricing and LiteLLM's MIT-licensed price file. Track every call to this model, per customer or project: install the SDK.