GPT-4.5 vs GPT Chat Latest
Both have similar output pricing, while GPT Chat Latest offers a larger context window. Choose GPT-4.5 or GPT Chat Latest based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-4.5 | GPT Chat Latest |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input / 1M tokens | — | $5.00 |
| Output / 1M tokens | — | $30.00 |
| Context window | — | 400K |
| Parameters | — | — |
| Open weights | No | — |
| Released | Feb 2025 | — |
| Aider Polyglot score | 44.9 | — |
| Epoch Capabilities Index score | 137 | — |
FAQ
Is GPT-4.5 or GPT Chat Latest cheaper?
GPT-4.5 and GPT Chat Latest have comparable output pricing.
Which has the larger context window, GPT-4.5 or GPT Chat Latest?
GPT Chat Latest has the larger context window (400K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.