Model comparison
GPT-4 Turbo Preview vs GPT-4o
Capability radar, value bars, and side-by-side posture.
GPT-4 Turbo Preview
Not scored
value score
GPT-4o
87
value score
GPT-4 Turbo Preview ctx
—
GPT-4o ctx
128K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-4o87
Attribute tape
| Field | GPT-4 Turbo Preview | GPT-4o |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context | — | 128K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | — |
| Price | — | $2.5/1M in · $10/1M out |
| Value score | — | 87 |
| Summary | GPT-4 Turbo Preview is a legacy preview variant of OpenAI's GPT-4 Turbo large language model, offering a 128K context window, 4,096 max output tokens, and training data through December 2023. It supports structured JSON output, reproducible outputs, and parallel function calling, and is available via the OpenAI API and third-party inference providers such as OpenRouter. | Omni multimodal GPT widely deployed in products. |