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OpenAI·Proprietary

GPT-4o

Multimodal flagship across text, vision, and audio.

Params
Undisclosed
Context
128K
License
Commercial API
Released
2024

Overview

GPT-4o is OpenAI's omni model, natively handling text, images, and audio in a single unified architecture with strong reasoning and tool use.

Features

  • Native multimodal I/O
  • Function calling
  • Vision
  • Realtime voice
  • Long context

Advantages

  • State-of-the-art reasoning
  • Mature tooling & SDKs
  • Strong code generation

Limitations

  • Closed weights
  • Usage-based pricing
  • Rate limits

Best for

  • Agents
  • Coding copilots
  • RAG applications
  • Voice assistants