GPT Chat Latest
Summary
GPT Chat Latest is a proprietary language model from OpenAI, released on 5 May 2026. It accepts text, images and PDFs and generates text, with a 400K-token context window and up to 128K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $5 per million input tokens and $30 per million output tokens (Azure AI Foundry), across 1 provider we track.
Compact GPT model for low-latency assistance and high-volume workloads
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | OpenAI |
|---|---|
| Release date | 5 May 2026 [models.dev] |
| Status | Preview [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 400K (400,000 tokens) [models.dev] |
| Max output | 128K tokens [models.dev] |
| Knowledge cutoff | 1 Dec 2025 [models.dev] |
| Input | Text, images and PDFs [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
GPT Chat Latest API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| Azure AI Foundry gpt-chat-latest | $5 | $30 | $0.50 | 400K | models.dev, 4 Oct 2026 |
Frequently asked questions
What is the context window of GPT Chat Latest?
GPT Chat Latest has a context window of 400,000 tokens (400K) and can generate up to 128,000 tokens in a single response, according to models.dev.
How much does the GPT Chat Latest API cost?
GPT Chat Latest is listed from $5 per million input tokens and $30 per million output tokens (Azure AI Foundry). Prices last verified 4 Oct 2026.
Is GPT Chat Latest open source?
No. GPT Chat Latest is a proprietary model; OpenAI has not released its weights. It is available through APIs including Azure AI Foundry.
When was GPT Chat Latest released?
OpenAI released GPT Chat Latest on 5 May 2026, according to models.dev.
Change history
No changes detected since we started tracking this model. We re-check every source daily.