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OpenAI

OpenAI: GPT Realtime 1.5

openai/gpt-realtime-1.5 · rates as of · Benchmarks · Plans · Calculator

Speech generation model for controllable voice, narration, and audio delivery

Cheapest input
$4
$/MTok · models.dev
Cheapest output
$16
$/MTok
Context
32K
tokens
Offers
3
2 sources

Offers

Same model, different listings. First-party, router, and aggregator rows stay separate so you can see the spread instead of a single blended number.

SourceProviderInputOutputCache readContext
models.devcheapestopenai/gpt-realtime-1.5FastRouter$4$16$032K
models.devopenai/gpt-realtime-1.5Vercel AI Gateway$4$16$0.4—
LiteLLMgpt-realtime-1.5—$4$16$0.4—

Capabilities

  • Tool calling
  • Attachments
  • In: text
  • In: audio
  • In: image
  • Out: text
  • Out: audio
Released: 2025-06-01Family: gpt

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