GPT Chat Latest

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Data updated on September 30, 2026· 217 models

OpenAIChat Latest

GPT Chat Latest points to OpenAI's stable API alias chat-latest that always resolves to the latest Instant chat model used in ChatGPT.

Reasoning estimated
Speed estimated
Input
Output
Context
400 K tokens
Max output
128 K
Input, $ per 1M tokens
$5.00
Output, $ per 1M tokens
$30.00
Cache read, $ per 1M
$0.500
Batch (input / output)
—
Tool calling
Yes
Released
05/05/2026
Knowledge cutoff
2025-12-01
API id
openai/gpt-chat-latest

Summary from the data

GPT Chat Latest is a OpenAI model available by API since 05/05/2026. It costs $5.00 per million input tokens and $30.00 per million output tokens, accepts 400 K tokens of context and generates up to 128 K tokens per response. Input: text, image, PDF / file; output: text. It has a reasoning mode. It supports tool calling. With 10,000 requests a month of 1,500 input and 400 output tokens it would cost about $195.00 a month.

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Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.

GPT Chat Latest
$195.00/mo

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Frequently asked questions

How much does GPT Chat Latest cost per million tokens?

GPT Chat Latest costs $5.00 per million input tokens and $30.00 per million output tokens (USD, list price). Cache read: $0.500. Batch tier: not published.

What context window does GPT Chat Latest have?

GPT Chat Latest accepts 400 K tokens of context per request and generates up to 128 K tokens per response.

Does GPT Chat Latest accept images, audio or files?

Input: text, image, PDF / file. Output: text.

Does GPT Chat Latest have a reasoning mode and tool calling?

It has a reasoning mode. It supports tool calling.

When was GPT Chat Latest released and what is its knowledge cutoff?

GPT Chat Latest has been available by API since 05/05/2026. Knowledge cutoff: 2025-12-01.

What would an app built on GPT Chat Latest cost?

With 10,000 requests a month of 1,500 input and 400 output tokens, GPT Chat Latest would cost about $195.00 a month at list price, without cache or batch discounts.

What is the API id of GPT Chat Latest?

The id is openai/gpt-chat-latest. It is the name passed in the model parameter of the API (or on OpenRouter).

Where do the prices come from and how often are they updated?

From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.

What does price per million tokens mean?

It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.

Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.