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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.
💰gpt-5-chat-latest is 100% cheaper than OpenAI: GPT-3.5 Turbo (older v0613)
⚡OpenAI: GPT-3.5 Turbo (older v0613) is 22ms faster than gpt-5-chat-latest
Price (lower is better), Speed/Latency (lower is better), Performance (higher is better)
OpenAI: GPT-3.5 Turbo (older v0613) is 147% faster
| Spec | OpenAI: GPT-3.5 Turbo (older v0613) | gpt-5-chat-latest |
|---|---|---|
| Provider | openai | openai |
| Input price / 1M tokens | $1.00 | Free |
| Output price / 1M tokens | $2.00 | — |
| Context window | 4k tokens | — |
| Latency (p50) | 15ms | 37ms |
| Best benchmark score | — | — |
| Open source | No | No |
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
I don't have reliable information about a model called "gpt-5-chat-latest" by OpenAI. As of my last update in April 2024, OpenAI's latest publicly available model is GPT-4, and I cannot provide a factual description of a model I'm not certain exists or whose specifications I'm unfamiliar with.
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