GPT-5.4 mini API pricing

    OpenAI model · OpenAI on AIWiseRank

    Short answer

    GPT-5.4 mini by OpenAI costs $0.75 per 1M input tokens and $4.50 per 1M output tokens, with a 1.05M token context window. It scores 73% on SWE-bench Verified and 18.9% 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 $1.69.

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

    Input$0.75 / 1M
    Output$4.50 / 1M
    Context1.05M
    Blended (3:1)$1.69 / 1M

    API cost calculator

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

    GPT-5.4 mini$16.50 / month$198 / year

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

    Benchmarks

    ARC-AGI-2 (reasoning)18.9% (XHigh)
    SWE-bench Verified (coding)73%

    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-5.4 mini API cost?

    GPT-5.4 mini costs $0.75 per 1M input tokens and $4.50 per 1M output tokens. A workload of 10M input and 2M output tokens a month costs $16.50.

    What is the context window of GPT-5.4 mini?

    GPT-5.4 mini supports a 1.05M token context window.

    Is there a cheaper alternative to GPT-5.4 mini?

    GPT-6 Luna scores 59.3% on ARC-AGI-2, close to GPT-5.4 mini, at $0.20 per 1M blended tokens versus $1.69.