Merge GatewayGPT-5.2 Chat model ID, context window & pricing
gpt-codex
Quick facts
Model ID openai/gpt-5.2-chat-latest
Source Merge Gateway
Context Window 128000
Pricing $1.75 input / $14.00 output per 1M tokens
Capabilities tool calling, reasoning, structured output
Model overview
GPT-5.2 Chat is an AI model from Merge Gateway with 128000 token context window and text, image input support.
Published pricing is $1.75 input and $14.00 output per 1M tokens.
- Workloads that use text, image inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID openai/gpt-5.2-chat-latest
Provider Merge Gateway
Family gpt-codex
Status -
Knowledge Cutoff 2025-08-31
Release Date 2025-12-11
Input Modalities text, image
Output Modalities text
Context Window 128000
Input Limit -
Output Limit 16384
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control No
Open Weights No
Input Cost / 1M tokens $1.75
Output Cost / 1M tokens $14.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.17
Cache Write Cost / 1M tokens -