---
id: "openai/gpt-chat-latest"
also: ["openai/gpt-chat-latest-20260505"]
card_usd_per_m: "5.0 in, 30.0 out, at openai"
cheapest_list_usd_per_m: "5.0 in, 30.0 out, at openai on openrouter"
cheapest_effective_usd_per_m: "2.2103 in, 30.0 out, at openai on openrouter"
context: 400000
max_output: 128000
input: ["text", "image", "file"]
output: ["text"]
released: "2026-05-05"
api: ["/api/v1/chat/completions", "/api/v1/completions", "/api/v1/messages", "/api/v1/responses"]
params: ["max_tokens", "response_format", "seed", "structured_outputs", "tool_choice", "tools"]
endpoints: 1
gateways: "openrouter (1)"
no_training: 1
trains: 0
retains_prompts: 1
---
# OpenAI: GPT Chat 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. As OpenAI rolls out new Instant model updates...