MODELS
GPT-4o
OpenAI's multimodal workhorse handling text, image, and audio in one model.
Specs
- Context window
- 128,000
- Max output
- 16,384
- Modalities
- text, image, audio
- Tool use
- ✓
- Vision
- ✓
- Streaming
- ✓
- License
- proprietary
- Released
- 2024-05-13
Pricing
- Input / 1M
- $2.50
- Output / 1M
- $10.00
- Cached input / 1M
- $1.25
Cost estimate
GPT-4o is OpenAI's flagship general-purpose model from May 2024, accepting text, image, and audio inputs in a single network. It offers a 128K context, function calling, vision, and streaming, making it a default choice for chat assistants, agent loops, and multimodal apps. At $2.5/M input and $10/M output, it sits in the mid-tier — cheaper than Claude Opus, pricier than GPT-4o-mini or Gemini Flash.
Editor's verdict
A safe default when you need broad capability and don't want to think hard about model choice — especially for vision or audio. But by 2025 it's been overtaken: GPT-5 and Claude Sonnet 4 outscore it on coding and reasoning, while GPT-4o-mini covers most cheap tasks at a fraction of the cost. Pick GPT-4o when you specifically need its multimodal mix in one call; otherwise newer models are usually the better buy.
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Last updated: 2026-04-29