Big news from OpenAI: ChatGPT just leveled up — in a huge way.
With the March 2025 update, the team rolled out GPT-4o, its most advanced and accessible model yet. This release brings native image editing, a powerful new image generator, and even video creation via Sora, directly inside ChatGPT.
If you’re building, designing, writing, or simply keeping up with the evolving AI landscape — here’s everything you need to know about this release, what it unlocks, and how it sets the stage for GPT-5.
What’s New in ChatGPT: Game-Changing Update
The March 2025 OpenAI update brought a number of new features to ChatGPT, making the model more powerful, creative, and practical than ever before.
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Here is a list of the most important features that you can start using today:
GPT-4o Is Now the Default
ChatGPT now runs on GPT-4o ("o" for omni) — a multimodal model that understands text, images, and audio with higher speed and accuracy.
- Lightning-fast responses with improved accuracy
- Enhanced reasoning and STEM capabilities
- Access to knowledge up to mid-2024
- Supports text, image, and audio inputs (with more coming)
Next-Gen Image Generation
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Forget the limitations of DALL·E. The new image model in GPT-4 o delivers visually accurate, prompt-responsive visuals, including clean typography.
- Visually coherent compositions that follow prompt intent
- Clean, readable typography — accurate display of the inscription in harmony with the image
- Consistent style and color palettes, even across complex prompts
- Fewer distortions, better symmetry, and real design logic
Image Editing with Prompts
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GPT-4o also includes true image editing capabilities in the chat window.
Upload an image and type something like: “Add sunset lighting”, “Replace the coffee cup with a wine glass”.
ChatGPT executes the edit instantly.
Think of it as a text-based Photoshop, powered by AI — intuitive, fast and suitable for those who do not have design knowledge.
Background Removal
Need a clean PNG with no background?
GPT-4o now supports automatic background removal, delivering ready-to-use transparent images in seconds — ideal for e-commerce, slides, or social assets.
This is AI-powered design without the learning curve.
Built-in Video Generation via Sora
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The most exciting new feature: you can now generate videos directly inside ChatGPT using OpenAI’s Sora model.
- Create up to 3 videos per day (Charge Plus & Pro).
- Based on short text descriptions
- No need to leave the app — video generation is fully integrated
Advanced Voice Mode
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ChatGPT can now talk to you in real time with natural, emotionally expressive speech.
- The new Advanced Voice Mode brings near-human conversation quality:
- Real-time voice interaction, no delays or robotic pauses
- Emotional tone and inflection that adapts to your intent
- Reacts to your words, tone, and even subtle pauses
- Feels like talking to a real, expressive assistant
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GPT-4o vs GPT-4: What’s the Difference?
Speed & Efficiency
GPT-4o is significantly faster than GPT-4, with reduced latency and smoother real-time interaction.
Multimodality
GPT-4 could process text and some images (in limited cases), GPT-4o is fully multimodal by design.
What’s Next: GPT-5 Is Coming
OpenAI has confirmed that GPT-5 is in development, with a target release in late May 2025.
Expected improvements include:
- Unified reasoning architecture (based on o-series and GPT)
- Deeper understanding and context retention
- Native support for web search, real-time data, voice & collaboration tools
- More advanced multi-agent behavior
GPT-4 vs GPT-4o: Feature Comparison
Conclusion
The March 2025 update it’s a clear signal that ChatGPT is evolving from a chatbot into a creative and collaborative AI platform.
These updates are especially valuable for:
- Designers who need fast visual concepts or clean edits
- Marketers creating campaign assets and branded content
- Content creators building visuals, videos, and scripts
- Developers prototyping, generating, or testing ideas
If you haven’t explored ChatGPT in a while, now is the time. Download Sigma AI Browser and start using ChatGPT-4o with no limits!
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