Skip to main content

    xAI · xAI

    Grok 4.5 vs Grok 4.6

    Compare Grok 4.5 (xAI) and Grok 4.6 (xAI) on benchmarks, capabilities, and pricing.

    At a glance

    Grok 4.5Grok 4.6
    ProviderxAIxAI
    Context500K tokens500K tokens
    ModalityMultimodalMultimodal
    PricingMaxMax
    SpeedMediumMedium
    ReasoningExpertExpert

    Benchmarks

    Grok 4.5

    AA Intelligence Index
    39.1points
    Artificial Analysis · Date unknownAge unknown
    Output speed
    57.3tokens/s
    Configuration: Prompt length: 1,000 · Parallel queries: 1
    Artificial Analysis · Date unknownAge unknown
    API input cost
    $2.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown
    API output cost
    $6.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown
    Context window
    500K
    Catalog · As of Aug 11, 2026Stale · 31d old

    Benchmark variant: Grok 4.5 (high)

    AA data retrieved Sep 11, 2026 · Artificial Analysis

    Grok 4.6

    AA Intelligence Index
    44.4points
    Artificial Analysis · Date unknownAge unknown
    Output speed
    67.86tokens/s
    Configuration: Prompt length: 1,000 · Parallel queries: 1
    Artificial Analysis · Date unknownAge unknown
    API input cost
    $2.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown
    API output cost
    $6.00/ 1M tokens
    Artificial Analysis · Date unknownAge unknown
    Context window
    500K
    Catalog · As of Aug 13, 2026Within 30d

    Benchmark variant: Grok 4.6 (high)

    AA data retrieved Sep 11, 2026 · Artificial Analysis

    Try both on yno.ai

    Switch between Grok 4.5 and Grok 4.6 per task with one account.

    Frequently asked

    Which is faster, Grok 4.5 or Grok 4.6?
    Grok 4.5 is rated medium and Grok 4.6 is rated medium. yno.ai surfaces output-speed scores from Artificial Analysis on each model's detail page so you can compare exact tokens-per-second figures for your workload.
    Which is cheaper, Grok 4.5 or Grok 4.6?
    Grok 4.5 is on the max tier in yno.ai; Grok 4.6 is on the max tier. See the pricing page for the latest per-tier limits.
    Which is better for Tool-calling agents?
    Both models support Tool-calling agents. Grok 4.5 brings 500K context; Grok 4.6 brings Long-running agents. Run a side-by-side eval on your prompts in yno.ai to see which fits your workload.
    Can I use both Grok 4.5 and Grok 4.6 in yno.ai?
    Yes. Both are available on yno.ai under your single account; you can route different stages of an agent to different models or A/B test them on the same prompt without per-provider boilerplate.

    Related comparisons

    Grok 4.3 vs Grok 4.5

    Generational upgrade

    Claude Opus 5 vs Grok 4.6

    Frontier head-to-head