GPT-5.2 Pro API pricing

    OpenAI model · OpenAI on AIWiseRank

    Short answer

    GPT-5.2 Pro by OpenAI costs $21 per 1M input tokens and $168 per 1M output tokens, with a 400K token context window. It scores 54.2% on ARC-AGI-2. GPT-6 Luna scores about as well on ARC-AGI-2 (59.3%) for $0.20 per 1M blended tokens versus $57.75.

    Prices updated Oct 23, 2026 (APIpulse, CC BY 4.0) · Benchmarks: ARC Prize, Vals.ai · all models

    Input$21 / 1M
    Output$168 / 1M
    Context400K
    Blended (3:1)$57.75 / 1M

    API cost calculator

    Enter your monthly usage in millions of tokens (1M tokens ≈ 750,000 words).

    GPT-5.2 Pro$546 / month$6,552 / year

    Standard rates; batch processing and prompt caching can lower the bill.

    Benchmarks

    ARC-AGI-2 (reasoning)54.2% (High)
    SWE-bench Verified (coding)—

    Cheaper models with similar scores

    Within 3 points on the same benchmark, at a lower blended price.

    Other OpenAI models

    ModelInput / 1MOutput / 1M
    GPT-6.1 Sol$2$10
    GPT-6 Astra$10$50
    GPT-6 Sol$2$10
    GPT-6 Luna$0.10$0.50
    GPT-5.6 Cyber$12.50$75
    GPT-5.6 Sol$4$20
    GPT-5.6 Terra$2$12
    GPT-5.6 Luna$0.20$1.20

    Frequently asked questions

    How much does the GPT-5.2 Pro API cost?

    GPT-5.2 Pro costs $21 per 1M input tokens and $168 per 1M output tokens. A workload of 10M input and 2M output tokens a month costs $546.

    What is the context window of GPT-5.2 Pro?

    GPT-5.2 Pro supports a 400K token context window.

    Is there a cheaper alternative to GPT-5.2 Pro?

    GPT-6 Luna scores 59.3% on ARC-AGI-2, close to GPT-5.2 Pro, at $0.20 per 1M blended tokens versus $57.75.