GPT-4o
by OpenAIGPT-4 family
Parameters
—
Context window
128K tokens
Released
2024-05-13
Input price / 1M tok
$2.50
Output price / 1M tok
$10.00
Modality
multimodal, vision, audio, tools
About GPT-4o
OpenAI's prior-gen multimodal workhorse. Still cheaper and faster than GPT-5 for many production loads. Native audio in/out, vision, function calling, and structured outputs. Broadly compatible with existing tooling.
Strengths
- Cheap and fast
- Native audio
- Wide tooling support
- Mature JSON mode
Weaknesses
- Superseded by GPT-5 on reasoning
- 128K context (small vs peers)
- Occasional format drift under high-load
Best for
ChatbotsRealtime voiceData extractionVision