GPT-4o — reviews, specs & pricing
OpenAI's flagship multimodal model handling text, vision and audio.
Summary
GPT-4o is OpenAI's natively multimodal model supporting text, image and audio inputs with fast, low-latency responses. It powers ChatGPT and the API with a 128k context window. It offers strong reasoning, coding, and multilingual capabilities at a lower cost than GPT-4 Turbo.
Sample use case
Used for chat assistants, multimodal document/image understanding, and voice-enabled applications. Suited for production apps needing balance of cost, latency and quality.
Specifications
- Provider: openai
- License: closed
- Context: 128k tokens
- Input price: $2.5/M tok
- Output price: $10/M tok
- Released: 2024-05-13
Pros
- Multimodal (text/vision/audio)
- Lower cost than GPT-4 Turbo
- Fast latency
Cons
- Closed weights
- Occasional hallucinations
- Rate limits on lower tiers
Average rating 3.8 from 5 community reviews on Reviuws.
Community reviews
WIRED on GPT-4o
Rating: 4.0 / 5 — by Will Knight (use case: Real-time voice conversation and multimodal assistant)
Knight describes GPT-4o's live demo as impressively fast and emotionally expressive in voice mode, marking a notable step toward more natural human-AI conversation, while noting such humanlike affect raises new questions.
Pros: Very fast, low-latency voice responses; expressive, emotionally attuned interaction; free tier availability
Cons: Emotional mimicry raises concerns about anthropomorphization and trust
PCMag on GPT-4o
Rating: 4.0 / 5 — by Chris Stobing (use case: General-purpose multimodal chatbot use)
PCMag's formal review rates GPT-4o 'Excellent,' praising its speed and multimodal comprehension while cautioning that real-world implications of always-on AI companions remain unproven.
Pros: Fast natural language comprehension; can be interrupted mid-response; strong visual recognition via camera
Cons: Still prone to inaccuracies; long-term implications of ubiquitous AI untested
Tom's Guide on GPT-4o
Rating: 4.0 / 5 — by Ryan Morrison (use case: Voice-based conversational assistant)
Morrison was highly impressed by GPT-4o's live demo, particularly its speech and emotional responsiveness, calling it one of the more striking tech demos he'd seen recently, though based mostly on hands-on demo impressions rather than deep long-term testing.
Pros: Impressive real-time voice interaction; can laugh and modulate tone; fast responsiveness
Cons: Based largely on curated demo conditions; real-world reliability still to be proven
ZDNET on GPT-4o
Rating: 3.0 / 5 — by Lance Whitney (use case: General ChatGPT use with incremental updates)
Whitney found OpenAI's update to GPT-4o hard to evaluate since the company gave little concrete detail on what actually improved, leaving reviewers uncertain about tangible gains.
Pros: Continued iteration suggests ongoing refinement
Cons: OpenAI provided vague, unconvincing explanation of improvements; hard to verify real gains
XDA Developers on GPT-4o
Rating: 4.0 / 5 — by Adam Conway (use case: Everyday chatbot querying and quick tasks)
Conway's hands-on testing found GPT-4o substantially faster than GPT-4 while maintaining comparable answer quality, making it a clear practical upgrade for everyday use.
Pros: Noticeably faster response times; free tier access; comparable accuracy to GPT-4
Cons: Speed gains more noticeable than quality gains; multimodal features not fully rolled out yet at testing time
Frequently asked questions
What is GPT-4o?
GPT-4o is OpenAI's natively multimodal model supporting text, image and audio inputs with fast, low-latency responses. It powers ChatGPT and the API with a 128k context window. It offers strong reasoning, coding, and multilingual capabilities at a lower cost than GPT-4 Turbo.
How much does GPT-4o cost?
GPT-4o costs $2.5 per million input tokens and $10 per million output tokens.
Is GPT-4o open source?
GPT-4o is released under the closed license.