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openai-dialog: Add --model to the openai example and remove support for the preview / beta protocol #65

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Merged
pragmatrix merged 1 commit into from
May 11, 2026
Merged

openai-dialog: Add --model to the openai example and remove support for the preview / beta protocol #65

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8 changes: 7 additions & 1 deletion examples/openai-dialog.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,8 @@ struct Cli {
protocol: Option<CliProtocol>,
#[arg(long)]
endpoint: Option<String>,
#[arg(long)]
model: Option<String>,
#[arg(long, value_parser = realtime_voice_value_parser())]
voice: Option<types::RealtimeVoice>,
}
Expand Down Expand Up @@ -114,7 +116,11 @@ async fn main() -> Result<()> {
stream.play().expect("Failed to play stream");

let key = env::var("OPENAI_API_KEY").unwrap();
let model = env::var("OPENAI_REALTIME_API_MODEL").unwrap();
let model = cli
.model
.or_else(|| env::var("OPENAI_REALTIME_API_MODEL").ok())
.filter(|model| !model.trim().is_empty())
.context("Provide --model or set OPENAI_REALTIME_API_MODEL")?;

let openai = OpenAIDialog;
let mut params = openai_dialog::Params::new(key, model);
Expand Down
2 changes: 1 addition & 1 deletion external/openai-api-rs
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Submodule openai-api-rs updated 2 files
+0 −3 src/realtime/api.rs
+1 −21 src/realtime/types.rs
3 changes: 3 additions & 0 deletions justfile
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Original file line number Diff line number Diff line change
Expand Up @@ -25,3 +25,6 @@ transcribe-google-latest-long:
transcribe-google-diarization:
cargo run --example transcribe -- google --diarization --language de-DE --model chirp_3 --region eu

openai-dialog-realtime-2:
cargo run --example openai-dialog -- --protocol openai --model gpt-realtime-2

77 changes: 23 additions & 54 deletions services/openai-dialog/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -250,14 +250,13 @@ impl Host {
.await
.map_err(|e| anyhow!(e.to_string()))?;

Ok(Client::new(read, write, self.client.protocol))
Ok(Client::new(read, write))
}
}

pub struct Client {
read: SplitStream<WebSocketStream<MaybeTlsStream<TcpStream>>>,
write: SplitSink<WebSocketStream<MaybeTlsStream<TcpStream>>, Message>,
protocol: RealtimeProtocol,

response_state: ResponseState,
inflight_prompt: Option<(String, PromptRequest)>,
Expand All @@ -275,32 +274,16 @@ impl Client {
fn new(
read: SplitStream<WebSocketStream<MaybeTlsStream<TcpStream>>>,
write: SplitSink<WebSocketStream<MaybeTlsStream<TcpStream>>, Message>,
protocol: RealtimeProtocol,
) -> Self {
Self {
read,
write,
protocol,
response_state: ResponseState::Idle,
inflight_prompt: None,
pending_prompts: Default::default(),
}
}

fn session_update_payload(
&self,
session: types::RealtimeSession,
) -> client_event::SessionUpdatePayload {
match self.protocol {
RealtimeProtocol::OpenAI => client_event::SessionUpdatePayload::Untagged(
types::UntaggedSession::Realtime(session),
),
RealtimeProtocol::Azure => {
client_event::SessionUpdatePayload::Tagged(types::Session::Realtime(session))
}
}
}

/// Run an audio dialog.
pub async fn dialog(
&mut self,
Expand Down Expand Up @@ -345,21 +328,14 @@ impl Client {
};

if let Some(voice) = params.voice {
match self.protocol {
RealtimeProtocol::OpenAI => {
session.voice = Some(voice);
}
RealtimeProtocol::Azure => {
session.audio = Some(types::AudioConfig {
input: None,
output: Some(types::AudioOutput {
format: None,
speed: 1.0,
voice: Some(voice),
}),
});
}
}
session.audio = Some(types::AudioConfig {
input: None,
output: Some(types::AudioOutput {
format: None,
speed: 1.0,
voice: Some(voice),
}),
});
send_update = true;
}

Expand All @@ -374,11 +350,11 @@ impl Client {
}

if send_update {
let payload = self.session_update_payload(session);

self.send_client_event(ClientEvent::SessionUpdate(client_event::SessionUpdate {
event_id: None,
session: payload,
session: client_event::SessionUpdatePayload::Tagged(types::Session::Realtime(
session,
)),
}))
.await?;
debug!("Session updated");
Expand Down Expand Up @@ -551,34 +527,27 @@ impl Client {
tools,
tool_choice,
} => {
let (voice, audio) = match self.protocol {
RealtimeProtocol::OpenAI => (voice, None),
RealtimeProtocol::Azure => {
let audio = voice.map(|voice| types::AudioConfig {
input: None,
output: Some(types::AudioOutput {
format: None,
speed: 1.0,
voice: Some(voice),
}),
});
(None, audio)
}
};
let audio = voice.map(|voice| types::AudioConfig {
input: None,
output: Some(types::AudioOutput {
format: None,
speed: 1.0,
voice: Some(voice),
}),
});

let session = types::RealtimeSession {
instructions,
voice,
audio,
tools,
tool_choice,
..Default::default()
};

let payload = self.session_update_payload(session);

let event = ClientEvent::SessionUpdate(client_event::SessionUpdate {
session: payload,
session: client_event::SessionUpdatePayload::Tagged(
types::Session::Realtime(session),
),
..Default::default()
});
self.send_client_event(event).await?;
Expand Down
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