GPT-4 vs GPT-5 Chat
GPT-5 Chat is cheaper on output tokens, while GPT-5 Chat offers a larger context window. Choose GPT-4 or GPT-5 Chat based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-4 | GPT-5 Chat |
|---|---|---|
| Provider | Azure | Azure |
| Input / 1M tokens | $60.00 | $1.25 |
| Output / 1M tokens | $120.00 | $10.00 |
| Context window | 8K | 128K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Mar 2023 | Aug 2025 |
FAQ
Is GPT-4 or GPT-5 Chat cheaper?
GPT-5 Chat is cheaper on output tokens ($10.00 vs $120.00 per 1M).
Which has the larger context window, GPT-4 or GPT-5 Chat?
GPT-5 Chat has the larger context window (128K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.