OpenAI

GPT-5.2

Generally availableProprietary400K contextReasoning

Summary

GPT-5.2 is a proprietary language model from OpenAI, released on 11 Dec 2025. It accepts text and images and generates text, with a 400K-token context window and up to 128K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $1.75 per million input tokens and $14 per million output tokens (OpenAI API), across 6 providers we track.

Reliable GPT generation for broad coding, writing, and tool-assisted product work

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperOpenAI
Release date11 Dec 2025 [models.dev]
StatusGenerally available [models.dev]
WeightsProprietary (API only) [models.dev]
Context window400K (400,000 tokens) [models.dev]
Max output128K tokens [models.dev]
Knowledge cutoff31 Aug 2025 [models.dev]
InputText and images [models.dev]
OutputText [models.dev]
Reasoning modeYes [models.dev]
Tool callingYes [models.dev]
Structured outputYes [models.dev]

GPT-5.2 API pricing by provider

USD per million tokens. Sorted by input price.

ProviderInputOutputCached inputContextSource
OpenAI API
gpt-5.2
$1.75$14$0.17400Kmodels.dev, 4 Oct 2026
Azure AI Foundry
gpt-5.2
$1.75$14$0.13400Kmodels.dev, 4 Oct 2026
Databricks
databricks-gpt-5-2
$1.75$14$0.17400Kmodels.dev, 4 Oct 2026
OpenRouter
openai/gpt-5.2
$1.75$14$0.17400KOpenRouter, 4 Oct 2026
Vercel AI Gateway
openai/gpt-5.2
$1.75$14$0.17400Kmodels.dev, 4 Oct 2026
Vercel AI Gateway
openai/gpt-5.2-fast
$3.50$28$0.35400Kmodels.dev, 4 Oct 2026
Snowflake Cortex
openai-gpt-5.2
–––400Kmodels.dev, 4 Oct 2026

Frequently asked questions

What is the context window of GPT-5.2?

GPT-5.2 has a context window of 400,000 tokens (400K) and can generate up to 128,000 tokens in a single response, according to models.dev.

How much does the GPT-5.2 API cost?

Through OpenAI API, GPT-5.2 costs $1.75 per million input tokens and $14 per million output tokens. Prices last verified 4 Oct 2026.

Is GPT-5.2 open source?

No. GPT-5.2 is a proprietary model; OpenAI has not released its weights. It is available through APIs including OpenAI API, Azure AI Foundry, Databricks, OpenRouter.

When was GPT-5.2 released?

OpenAI released GPT-5.2 on 11 Dec 2025, according to models.dev.

Which providers offer GPT-5.2?

We track GPT-5.2 on 6 providers: OpenAI API, Azure AI Foundry, Databricks, OpenRouter, Vercel AI Gateway, Snowflake Cortex.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources