Mercury 2.5 Preview API pricing

    Inception model

    Short answer

    Mercury 2.5 Preview by Inception costs $0.20 per 1M input tokens and $0.75 per 1M output tokens, with a 260K token context window. This is a temporary promotional rate.

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

    Input$0.20 / 1M
    Output$0.75 / 1M
    Context260K
    Blended (3:1)$0.34 / 1M

    Promotional rate: check the provider's site before relying on it.

    API cost calculator

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

    Mercury 2.5 Preview$3.50 / month$42 / year

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

    Benchmarks

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

    Frequently asked questions

    How much does the Mercury 2.5 Preview API cost?

    Mercury 2.5 Preview costs $0.20 per 1M input tokens and $0.75 per 1M output tokens (a temporary promotional rate). A workload of 10M input and 2M output tokens a month costs $3.50.

    What is the context window of Mercury 2.5 Preview?

    Mercury 2.5 Preview supports a 260K token context window.