Model comparison
GPT-5.1 vs GPT-5
Capability radar, value bars, and side-by-side posture.
GPT-5.1
Not scored
value score
GPT-5
94
value score
GPT-5.1 ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | GPT-5.1 | GPT-5 |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Context | — | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | Mid-High |
| Value score | — | 94 |
| Summary | GPT-5.1 is OpenAI's latest flagship large language model family, available via ChatGPT and the API in Instant (fast, conversational) and Thinking (deeper reasoning) variants. It is designed for chat, coding, agentic workflows, and structured analysis, with adaptive reasoning that adjusts compute based on task complexity. | OpenAI frontier multimodal model. |