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OpenAI: GPT-5.2 Chat pricing

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. OpenAI: GPT-5.2 Chat from OpenRouter costs $1.75 per 1M input tokens and $14.00 per 1M output tokens. Cached input is $0.175 per 1M. Context window 128,000 tokens.

API id openai/gpt-5.2-chat · OpenRouter · source · updated 2026-09-25 · general-purpose

$1.75
Input / 1M tokens
$14.00
Output / 1M tokens
$0.175
Cached input / 1M
128K
Context window

OpenAI: GPT-5.2 Chat specifications

Provider
OpenRouter
API id
openai/gpt-5.2-chat
Model type
general-purpose
Context window
128K tokens
Max output
32K tokens
Currency
USD
Price source
Provider API
Last checked
2026-09-25

Tags

  • flagship
  • vision

What OpenAI: GPT-5.2 Chat costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0088
Document summary50,0002,000$0.12
1M tokens in, 200K out1,000,000200,000$4.55

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does OpenAI: GPT-5.2 Chat cost per 1M tokens?
OpenAI: GPT-5.2 Chat costs $1.75 per 1M input tokens and $14.00 per 1M output tokens on the standard tier. Cached input is $0.175 per 1M.
What is OpenAI: GPT-5.2 Chat's context window?
OpenAI: GPT-5.2 Chat accepts up to 128,000 tokens in a single request, and can return up to 32,000 output tokens.
Is there a cheaper OpenRouter model than OpenAI: GPT-5.2 Chat?
Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $1.75 for OpenAI: GPT-5.2 Chat, with a 16,385 token context window.
Where does this OpenAI: GPT-5.2 Chat price come from?
From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

Other OpenRouter models

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