OpenAI · LLM
GPT-4o
Omni-model unifying text, vision and audio in a single network with realtime capabilities.
Capabilities
- ▸realtime voice
- ▸vision
- ▸tool use
Use cases
voice assistants · multimodal apps
Lineage
View the full GPT lineage →GPT-4o head-to-head comparisons
- Claude Sonnet 4.5 vs GPT-4oA 2025 coding-focused model against the 2024 fast multimodal workhorse: Sonnet 4.5 is far stronger on software work, GPT-4o is cheaper and quicker for everyday chat.
- GPT-4o vs Claude 3.5 SonnetThe two workhorse assistant models of 2024: GPT-4o is faster and natively multimodal, Claude 3.5 Sonnet writes and codes with more care over longer context.
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Sources & verification
Information is compiled from official announcements, documentation and reputable industry coverage.
Last verified Sep 10, 2026