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OpenAI: GPT Chat Latest API Pricing

OpenAI: GPT Chat Latest is an API model from openai. It costs $5 per 1M input tokens and $30 per 1M output tokens, with cached input at $0.5. Its context window is 400,000 tokens with up to 128,000 output tokens. A workload of 10M input + 2M output tokens costs about $110 per month. The official openai list price is $5 input / $30 output per 1M tokens, which matches the catalog price tracked here.
Input
$5
per 1M tokens
Output
$30
per 1M tokens
Cached input
$0.5
per 1M tokens
Context window
400K
400,000 tokens
Blended (80/20)
$10
per 1M tokens

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

How much does OpenAI: GPT Chat Latest cost for a real workload?

At 10M input + 2M output tokens per month, OpenAI: GPT Chat Latest costs about $110 ($50 input + $60 output). Try your own volumes in the cost calculator.

What is the official OpenAI: GPT Chat Latest price?

Official (openai)Catalog (OpenRouter)
Input /1M$5$5
Output /1M$30$30
Cached input /1M$0.5$0.5

✓ Matches the official list price. Source: openai official pricing page, checked 2026-10-21.

What are cheaper alternatives to OpenAI: GPT Chat Latest?

Compare OpenAI: GPT Chat Latest with other models

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Frequently asked questions

How much does OpenAI: GPT Chat Latest cost?

OpenAI: GPT Chat Latest costs $5 per 1M input tokens and $30 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $110.

What is the context window of OpenAI: GPT Chat Latest?

OpenAI: GPT Chat Latest has a context window of 400,000 tokens and can return up to 128,000 output tokens per response.

What are cheaper alternatives to OpenAI: GPT Chat Latest?

Cheaper models include OpenAI: GPT-6 Astra (batch) ($5 in / $25 out), OpenAI: GPT-6 Astra Pro (batch) ($5 in / $25 out), Anthropic: Claude Fable 5.1 (batch) ($5 in / $25 out). See the full list on this page.

Is OpenAI: GPT Chat Latest free to use?

No. OpenAI: GPT Chat Latest is a paid model at $5 input / $30 output per 1M tokens. 20 free models are listed on the free models page.

What is the official price of OpenAI: GPT Chat Latest?

On openai's official pricing page (checked 2026-10-21), OpenAI: GPT Chat Latest is listed at $5 per 1M input tokens and $30 per 1M output tokens. The catalog price tracked on this page matches it exactly.

Provider: openai · Model ID: openai/gpt-chat-latest · Modality: text+image+file->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices