GPT-6 Astra vs Gemini 4 Argon

    Short answer

    Gemini 4 Argon is about 5x cheaper than GPT-6 Astra for a typical 3:1 input-to-output token mix ($4 vs $20 per 1M tokens). GPT-6 Astra scores higher on ARC-AGI-2 (95% vs 91.3%).

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

    GPT-6 AstraGemini 4 Argoncheaper
    ProviderOpenAIGoogle
    Input / 1M tokens$10$2
    Output / 1M tokens$50$10
    Blended (3:1) / 1M$20$4
    Context window1.05M1M
    ARC-AGI-295% (Max)91.3% (High)
    SWE-bench Verified——

    API cost calculator

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

    GPT-6 Astra$200 / month$2,400 / year
    Gemini 4 Argoncheapest$40 / month$480 / year

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

    Frequently asked questions

    Which is cheaper, GPT-6 Astra or Gemini 4 Argon?

    Gemini 4 Argon is about 5x cheaper than GPT-6 Astra for a typical 3:1 input-to-output token mix ($4 vs $20 per 1M tokens).

    How much do GPT-6 Astra and Gemini 4 Argon cost per month?

    For 10M input and 2M output tokens a month: GPT-6 Astra costs $200 and Gemini 4 Argon costs $40.

    More: GPT-6 Astra pricing · Gemini 4 Argon pricing · all API prices

    Benchmarks updated Oct 25, 2026.