GPT-5 vs GPT-5.1
Side-by-side comparison. Updated 2026-07-01.
Summary
Compare GPT-5 and GPT-5.1 across pricing, context window, modalities, strengths, weaknesses, and best-fit workloads.
Use the details below to weigh cost, context, modalities, and workload fit.
At a Glance
| Attribute | GPT-5 | GPT-5.1 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Tags | Intelligent Reasoning Multimodal | Intelligent Reasoning Multimodal |
| Context | 128,000 tokens | 128,000 tokens |
| Input price | $10.00/1M | $10.00/1M |
| Output price | $40.00/1M | $40.00/1M |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
GPT-5 Strengths
- Excellent general knowledge
- Strong reasoning chain-of-thought
- Reliable structured output
- Broad tool-use capability
- Strong multilingual support
GPT-5.1 Strengths
- Strong general knowledge
- Reliable structured output
- Broad tool-use capability
- Lower latency than GPT-5