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OpenAI: GPT Chat Latest

OpenAI·Released 2026-05-05
400K ctxMultimodal

About

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...

Pricing

Input

$5.00

per 1M tokens

Output

$30.00

per 1M tokens

Blended

$11.25

per 1M tokens

Cheaper than 4% of models. Median price is $0.54/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$11.25

Monthly

$337.50

vs. Similar Models

OpenAI: GPT-5.5
$11.250%
GPT-5.5 (high)
$11.250%
GPT-5.5 (medium)
$11.250%
GPT-5.5 (low)
$11.250%

Performance

Context Window

400K

tokens

Larger than 76% of models

Max Output

128K

tokens

32% of context

Context Window Comparison

OpenAI: GPT-5.3-Codex
400KSame
OpenAI: GPT-5.2
400KSame
OpenAI: GPT-5.2-Codex
400KSame

Quick Compare

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