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OpenAI Developers

@OpenAIDevs

Aug 28 • 3 tweets • 2 min read • Read on X

The Realtime API is officially out of beta and ready for your production voice agents!

We’re also introducing gpt-realtime—our most advanced speech-to-speech model yet—plus new voices and API capabilities:

🔌 Remote MCPs
🖼️ Image input
📞 SIP phone calling
♻️ Reusable prompts

gpt-realtime was trained with customers to excel at real-world tasks like support, personal assistance, and education. It’s better at:

• Following instructions
• Calling tools
• Natural, expressive speech
• Understanding cues (like laughs)
• Switching languages

We’ve added two API voices, Cedar and Marin, and improved voice quality overall for more humanlike speech that can adapt to tone.

And we've cut pricing by 20%.

Prompting guide on speed, tone, hand-offs, and more: cookbook.openai.com/examples/realt…

Blog post: openai.com/index/introduc…

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More from @OpenAIDevs

OpenAI Developers

@OpenAIDevs

Aug 21

Two big updates to the Responses API today.

🖇️ Connectors — Pull context from Gmail, Google Calendar, Dropbox, and more in a single API call.

💬 Conversations — Persist chat threads for your users, without running your own database.

More below:

Build rich experiences with connectors to:

- Read emails
- Fetch calendar events
- Search files and chats

Gmail, Google Calendar, Drive, Dropbox, Teams, Outlook Calendar + Email, and SharePoint are available now.

They work with deep research, too!

platform.openai.com/docs/guides/to…

Here’s a demo app that shows how you can connect your app to Google Calendar and fetch upcoming events: github.com/openai/openai-…

Read 4 tweets

OpenAI Developers

@OpenAIDevs

Aug 15

Six tips for coding with GPT-5:

Read 4 tweets

OpenAI Developers

@OpenAIDevs

Aug 7

Here’s a megathread of GPT-5 already at work:

https://x.com/cursor_ai/status/1953519582372831266

https://x.com/cursor_ai/status/1953519582372831266

https://x.com/lovable_dev/status/1953506964979560714

https://x.com/lovable_dev/status/1953506964979560714

Read 20 tweets

OpenAI Developers

@OpenAIDevs

Jun 26

Two new additions to the API:

📚 Deep research
🪝 Webhooks

o3-deep-research: platform.openai.com/docs/models/o3…
o4-mini-deep-research: platform.openai.com/docs/models/o4…

These models are the same post-trained o3 and o4-mini models that power deep research in ChatGPT.

They also support MCP (search/fetch) and Code Interpreter.

And instead of polling, webhooks now let you receive notifications for certain API events—such as completed responses, fine-tuning jobs, and batch jobs.

We recommend using webhooks for long-horizon tasks (like deep research!) to improve reliability.

platform.openai.com/docs/guides/we…

Read 4 tweets

OpenAI Developers

@OpenAIDevs

Jun 16

🇵 🇷 🇴 🇲 🇵 🇹 🇸 are an API primitive now!

Centrally manage, version, and optimize prompts. Use (and reuse!) prompts across the Playground, API, Evals, and Stored Completions.

🆕 The Prompt object is a new resource that can be referenced in the Responses API and our SDKs. Prompts can be preconfigured too—including tools, models, and messages. No more manual copying and pasting!

And in the Playground:

⚡️️We’ve improved the “Generate” button. Now, hit “Optimize”, and your prompt will be even better optimized for the API.
🔡 Replacing “presets”, you can now save Prompts—including its versions and configurations—and reuse or share them.

Read 4 tweets

OpenAI Developers

@OpenAIDevs

Jun 9

Evals now supports tool use. 🛠️

You can now use tools and Structured Outputs when completing eval runs, and evaluate tool calls based on the arguments passed and responses returned. This supports tools that are OpenAI-hosted, MCP, and non-hosted. Read more in our guides below.