Models/OpenAI/GPT-5.2 Chat

GPT-5.2 Chat

Name: GPT-5.2 Chat API access
Brand: OpenAI

OpenAI · Proprietary · Released Dec 10, 2025 · openai/gpt-5.2-chat

Compare Estimate cost

128K 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
Azure	$1.75	$14.00	$0.175	128K	—	✕	✕	—

TTFT/TPS: median (P50) over trailing 72h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · ✕ = probed, endpoint returned no measurable stream · methodology v1.1 · measured 44 hours ago

Pricing variants · USD / MTok in / out

STANDARD

$1.75 / $14.00

per MTok in / out

CACHE READ $0.175WEB SEARCH $0.01 / search

About

GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...

Specifications

Context window128,000

Max output32,000

Modalities infile, image, text

Modalities outtext

LicenseProprietary

ReleasedDec 10, 2025

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-5.2 Chat](https://modelindex.ai/badge/openai/gpt-5.2-chat)](https://modelindex.ai/models/openai/gpt-5.2-chat)

Sources

OpenRouter API4 minutes ago

AGGREGATOR

ModelIndex benchmarks44 hours ago

MEASURED

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