GPT-3.5 Turbo Instruct vs GPT-5 Pro
OpenAI vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-3.5 Turbo Instruct is cheaper ($1.50 vs $15.00 per 1M input)
- •GPT-5 Pro has a larger context window (400K)
| GPT-3.5 Turbo Instruct | GPT-5 Pro | |
|---|---|---|
| Intelligence index | — | 88.4 |
| Developer | OpenAI | OpenAI |
| Type | LLM | LLM |
| Access | API only | API only |
| Context window | 4,095 tokens | 400,000 tokens |
| Input price | $1.50 / 1M | $15.00 / 1M |
| Output price | $2.00 / 1M | $120.00 / 1M |
| Speed | — | — |
| Released | September 28, 2023 | October 6, 2025 |
| Parameters | — | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |