Particle-1 (OpenRouter route) API pricing

    Particle AI model

    Short answer

    Particle-1 (OpenRouter route) by Particle AI costs $0.25 per 1M input tokens and $1 per 1M output tokens, with a 1M token context window.

    Prices updated Oct 28, 2026 (APIpulse, CC BY 4.0) · Benchmarks: ARC Prize, Vals.ai · all models

    Input$0.25 / 1M
    Output$1 / 1M
    Context1M
    Blended (3:1)$0.44 / 1M

    API cost calculator

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

    Particle-1 (OpenRouter route)$4.50 / month$54 / 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 Particle-1 (OpenRouter route) API cost?

    Particle-1 (OpenRouter route) costs $0.25 per 1M input tokens and $1 per 1M output tokens. A workload of 10M input and 2M output tokens a month costs $4.50.

    What is the context window of Particle-1 (OpenRouter route)?

    Particle-1 (OpenRouter route) supports a 1M token context window.