# GPT Chat Latest API pricing

No price from the maker itself is on record for GPT Chat Latest. The lowest of 3 providers is Azure: $5 per 1M input tokens and $30 per 1M output tokens (as of 2026-11-12). Context window: 400K tokens, up to 128K output tokens per request.

- Type: Text
- Context: 400K
- Max output: 128K
- Released: 2026-05-05
- Open weights: No

## Price by provider (USD per 1M tokens)

| Provider | Model id | Input | Output | Cached | Notes |
| --- | --- | --- | --- | --- | --- |
| [Azure](https://learn.microsoft.com/en-us/azure/ai-services/openai/concepts/models) | gpt-chat-latest | $5 | $30 | $0.5 | Lowest, Beta |
| [Azure Cognitive Services](https://learn.microsoft.com/en-us/azure/ai-services/openai/concepts/models) | gpt-chat-latest | $5 | $30 | $0.5 | Beta |
| [ZenMux](https://docs.zenmux.ai) | openai/chat-latest | $5 | $30 | $0.5 |  |

Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.

Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.

https://apibook.ai/models/openai/gpt-5.5-instant/