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GPT-4o

GPT-4o

Fast, intelligent, flexible GPT model

4.8
•1.2K reviews•

13K followers

Fast, intelligent, flexible GPT model

4.8
•1.2K reviews•

13K followers

2024 Golden Kitty Awards
Top Product
Visit website
GPT-4o (“o” for “omni”) is our versatile, high-intelligence flagship model. It accepts both text and image inputs, and produces text outputs (including Structured Outputs). It is the best model for most tasks, and is our most capable model outside of our o-series models.
  • Overview
  • Launches9
  • Reviews1.2K
  • Alternatives
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Company Info
platform.openai.com/docs/models/gpt-4o
GPT-4o Info
Launched in 2023View 9 launches
Forum
p/gpt-4-openai
Awards
Top Product
Top Product
2024 Golden Kitty Awards
2024 Golden Kitty Awards
GPT-4 was ranked #4 of the month for March 2023
GPT-4 was ranked #3 of the week for March 14th, 2023
GPT-4 was ranked #1 of the day for March 14th, 2023
GPT-4o was ranked #5 of the day for May 13th, 2024
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GPT-4o Launches

OpenAI GPT-4o Audio Models
OpenAI GPT-4o Audio Models Build Powerful Voice Agents

Launched on March 21st, 2025

OpenAI GPT-4o Audio Models was ranked #3 of the day for March 21st, 2025
OpenAI GPT-4o Audio Models was ranked #3 of the day for March 21st, 2025
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Do you use GPT-4o?

GPT-4o was a runner up for AI Model in 2024
Runner Up • AI Model Product of the Year
More recipients →
This is the 9th launch from GPT-4o. View more
OpenAI GPT-4o Audio Models

OpenAI GPT-4o Audio Models

Build Powerful Voice Agents
Top Product
OpenAI GPT-4o Audio Models was ranked #3 of the day for March 21st, 2025
New OpenAI audio models for developers: gpt-4o powered speech-to-text (more accurate than Whisper) and steerable text-to-speech. Build voice agents, transcriptions, and more.
OpenAI GPT-4o Audio Models gallery image
OpenAI GPT-4o Audio Models gallery image
OpenAI GPT-4o Audio Models gallery image
OpenAI GPT-4o Audio Models gallery image
OpenAI GPT-4o Audio Models gallery image
Launch tags:
Artificial Intelligence•Audio•Development
Launch Team
Zac ZuoKevin WeilKevin Whinnery

What do you think? …

Zac Zuo
Zac Zuo
Hunter
📌

Hi everyone!


Voice is the future, and OpenAI's new audio models are accelerating that shift! They've just launched three new models in their API:

  • 🎤 gpt-4o-transcribe & gpt-4o-mini-transcribe (STT): Beating Whisper on accuracy, even in noisy environments. Great for call centers, meeting transcription, and more.

  • 🗣️ gpt-4o-mini-tts (TTS): This is the game-changer. Steerable voice output – you control the style and tone! Think truly personalized voice agents.

  • 🛠️ Easy Integration: Works with the OpenAI API and Agents SDK, supporting both speech-to-speech and chained development.

Experience the steerable TTS for yourself: OpenAI.fm

Report
5mo ago
Gabe Moronta
Gabe Moronta
Visla

Visla

@zaczuo this is very cool!
Report
5mo ago
Kirill Belov
Kirill Belov

Can it translate voice in real time stream?

Report
5mo ago
Zac Zuo
Zac Zuo
Hunter

@kirill_a_belov Think it's still not a single API call, you'll need to chain together a few different APIs to do real-time translation. STT-LLM(for text translation)-TTS.

Report
5mo ago
Kirill Belov
Kirill Belov

@zaczuo Yep. I've heard Apple will have such feature in new air pods.

Report
5mo ago
André J
André J

The alloy and shimmer voices always sounded 10x better than the others. And tbh. Having tried 11labs a lot. Alloy and Shimmer is the bar to beat. Love the testing UX on openai.fm tho. Used to be only able to test these voices in open-ai's internal playground dashboard.

Report
5mo ago
Zac Zuo
Zac Zuo
Hunter

@sentry_co I’ve been working on voice-based AI apps, so I always keep a close eye on AI capabilities in the audio. Clearly, current LLMs still have some way to go in achieving native end-to-end audio processing—handling input without converting to text via ASR and output without generating text before TTS.

After all, humans can listen and speak before learning to read, and even illiterate people communicate just fine in society, right? Speech carries the core of communication, with emotions, tones, and nuances that can’t be fully conveyed when flattened into text.

We might be observing significant progress through more emotional audio output, which helps us refine our understanding of audio input.

Report
5mo ago
André J
André J

Yeah we are 90% there. It's just that the last 10% will take 90% of the effort 😅. Maybe. I do feel that I get the best results with AI voices, when I run the same text a few times over, and then The AI will slightly change on each iteration. Then I cherry pick which segments I like the most from each iteration. And then put it all together. I think this process could be done by an AI tho. Maybe the cherry picking part is hard for an AI, because it doesnt understand which is better.

Report
5mo ago
Zac Zuo
Zac Zuo
Hunter

@sentry_co True. And the rest 10% might bring 90% of the total impact ;)

Report
5mo ago
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4.8
Based on 1,244 reviews
Review GPT-4o?

GPT-4o is widely praised for its versatility and high intelligence, excelling in both text and image inputs. Maker reviews highlight its integration into products like HubSpot, Langfuse, and MindPal, emphasizing its speed, reliability, and effectiveness in various applications. Users appreciate its ability to handle complex tasks, generate creative content, and enhance productivity. While some note occasional limitations, the overall consensus is that GPT-4o is a powerful tool for diverse use cases.

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Pros
versatile (37)
enhanced productivity (31)
high accuracy (31)
fast performance (20)
creative text generation (19)
easy to use (16)
complex problem-solving (15)
multimodal capabilities (14)
natural language understanding (14)
context aware (10)
Cons
occasional factual inaccuracies (7)
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