Loading...
Loading...
Side-by-side comparison of API pricing, context window, latency, and benchmark performance. Data refreshed daily from provider APIs and ModelStop's own latency probes.
⚡OpenAI: GPT-5.1 is 771ms faster than gpt-3.5-turbo
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
OpenAI: GPT-5.1 is 4819% faster
| Spec | gpt-3.5-turbo | OpenAI: GPT-5.1 |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | Free | Free |
| Output price / 1M tokens | — | — |
| Context window | 16k tokens | 400k tokens |
| Latency (p50) | 787ms | 16ms |
| Best benchmark score | — | — |
| Open source | No | No |
OpenAI's lightweight and fast GPT-3.5 Turbo — cost-effective for most applications.
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
Want to swap in a different model or estimate monthly costs?
Help my team choose the right model
Not sure which model fits your workload, budget, and latency requirements? Get a tailored recommendation.