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-Codex is 756ms faster than gpt-3.5-turbo
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
OpenAI: GPT-5.1-Codex is 2439% faster
| Spec | gpt-3.5-turbo | OpenAI: GPT-5.1-Codex |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | Free | Free |
| Output price / 1M tokens | — | — |
| Context window | 16k tokens | 400k tokens |
| Latency (p50) | 787ms | 31ms |
| Best benchmark score | — | — |
| Open source | No | No |
OpenAI's lightweight and fast GPT-3.5 Turbo — cost-effective for most applications.
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
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.