SIDE BY SIDE
GPT-5.2 Chat vs GPT Chat Latest
Both are GPT models. GPT Chat Latest was added to OpenRouter on 2026-05-05, GPT-5.2 Chat on 2025-12-10.
| Field | GPT-5.2 Chat | GPT Chat Latest |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Family | GPT | GPT |
| Province | Maple Highlands | Maple Highlands |
| Context window | 128K tokens | 400K tokens |
| Maximum output | 32K tokens | 128K tokens |
| Input / 1M tokens | $1.75 | $5.00 |
| Output / 1M tokens | $14.0 | $30.0 |
| Accepts | text, files, images | text, files, images |
| Produces | text | text |
| Reasoning | No | No |
| Tool use | Yes | Yes |
| Added to OpenRouter | 2025-12-10 | 2026-05-05 |
| Model ID | openai/gpt-5.2-chat | openai/gpt-chat-latest |
Questions and answers
Which is cheaper, GPT-5.2 Chat or GPT Chat Latest?
GPT-5.2 Chat costs less for both input ($1.75 vs $5.00) and output ($14.0 vs $30.0) per million tokens. On input, GPT-5.2 Chat is 65% cheaper.
Which has the larger context window?
GPT Chat Latest: 400K tokens against 128K for GPT-5.2 Chat (3.1× as long).
What can one do that the other cannot?
Nothing among reasoning, tool use and image input: both support tool use and image input.
Answers are computed from the 2026-10-24 catalog snapshot.