Models/OpenAI/GPT Chat Latest

GPT Chat Latest

Name: GPT Chat Latest API access
Brand: OpenAI

OpenAI · Proprietary · Released May 5, 2026 · openai/gpt-chat-latest

Compare Estimate cost

400K contextVisionToolsStructured outputPrompt caching

Available from 1 providerUSD / MTOK · VERIFIED 4 MINUTES AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
OpenAI1ST PARTY	$5.00	$30.00	$0.50	400K	—	0.74s	129 tok/s	100.0%

TTFT/TPS: median (P50) over trailing 72h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · methodology v1.1 · measured 44 hours ago

Pricing variants · USD / MTok in / out

STANDARD

$5.00 / $30.00

per MTok in / out

CACHE READ $0.50WEB SEARCH $0.01 / search

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...

Specifications

Context window400,000

Max output128,000

Modalities intext, image, file

Modalities outtext

LicenseProprietary

ReleasedMay 5, 2026

TokenizerGPT

GPT-5.6 Luna Pro$0.10 / $0.60 GPT-5.6 Luna$0.10 / $0.60 GPT-5.6 Terra Pro$1.00 / $6.00 GPT-5.6 Terra$1.00 / $6.00

Embed badge

[![GPT Chat Latest](https://modelindex.ai/badge/openai/gpt-chat-latest)](https://modelindex.ai/models/openai/gpt-chat-latest)

Sources

OpenRouter API4 minutes ago

AGGREGATOR

ModelIndex benchmarks44 hours ago

MEASURED

Verified 4 minutes ago · list prices, not negotiated rates.