LLM prices per 1M tokens

264 models · 161 price changes

GPT-5.2

OpenAI · Reasoning · 400K context · released Dec 10, 2025 · checked 12h ago

GPT-5.2 is the latest frontier-grade model in the GPT-5 series, offering stronger agentic and long context perfomance compared to GPT-5.1.

Ways to buy 4

Way to buyIn / out per 1M
OpenAI
flex, cheapest · cached $0.087
$0.875 / $7-50% vs list
OpenAI API
The lab's own API · cached $0.175
$1.75 / $14List price
Azure AI Foundry
Default region · cached $0.175
$1.75 / $14Same as list
OpenAI
fast · cached $0.35
$3.5 / $28+100% vs list

USD per 1M tokens; batch $0.875 in, $7 out on the lab's API. Regions are separate routes.

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $455.00 direct.

A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.

Related models

In / out per 1M
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$1 / $5GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol.
GPT-6.1 Terra Pro
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$1 / $5GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks.
GPT-6.1 Sol
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GPT-6.1 Sol Pro
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$2 / $10GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks.
Claude Opus 5.5
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Gemini 4 Argon
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Claude Sonnet 5.5
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$2 / $10Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade.
Claude Opus 5
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About GPT-5.2

Takes files, image, text in and returns text. First listed Dec 15, 2025. Up to 128K output tokens. Blended price $4.81 per 1M tokens at 3 input to 1 output. Model id gpt-5-2.

Price history

$3$102026Dec 15, 2025Output $14Input $1.75

List price since Dec 15, 2025, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.

Questions

How much does GPT-5.2 cost?

$1.75 per million input tokens and $14 per million output tokens, with cached input at $0.175, or $0.875 and $7 through the Batch API.

What is the context window of GPT-5.2?

400K tokens, with up to 128K tokens of output.

Where is GPT-5.2 cheapest?

Of 4 routes tracked, OpenAI is cheapest at $0.875 input and $7 output per million tokens.