Skip to main content

    xAI

    Grok 4.1 Thinking

    Grok 4.1's thinking configuration, introduced November 17, 2025 and evaluated under the codename quasarflux. It reasons before responding. xAI's launch announcement reported a 1483 Elo score and the number-one position on LMArena Text Arena at that time; this is a historical vendor-reported result.

    256K tokens
    Text only
    Max
    Provider
    xAI
    Context
    256K
    Catalog ยท As of Aug 24, 2026Within 30d
    yno subscription tier
    Max
    Released
    Nov 17, 2025
    Speed
    Slow
    Reasoning
    Expert
    Modality
    Text only

    Benchmarks

    Quality

    Not available

    Speed and latency

    Not available

    API pricing

    Not available

    AA measurements unavailable

    Indexes use points; evaluations use accuracy percentages. API measurements do not measure yno application performance. Methodology

    Capabilities

    • Reasoning
    • Strategy
    • Empathy Modeling
    • Research

    Use cases

    • Strategic planning
    • Research
    • Complex analysis
    • Decision support

    Strengths

    • Reasoning before responding
    • xAI-reported 1483 Elo at launch

    Best for

    Strategists and researchers needing emotionally intelligent analysis

    Use Grok 4.1 Thinking in yno.ai

    No credit card required

    Related models

    Frequently asked

    What is Grok 4.1 Thinking?
    Grok 4.1's thinking configuration, introduced November 17, 2025 and evaluated under the codename quasarflux. It reasons before responding. xAI's launch announcement reported a 1483 Elo score and the number-one position on LMArena Text Arena at that time; this is a historical vendor-reported result.
    How much does Grok 4.1 Thinking cost in yno.ai?
    Grok 4.1 Thinking is available on the Max tier of yno.ai.
    What can Grok 4.1 Thinking do?
    Grok 4.1 Thinking is best for Strategists and researchers needing emotionally intelligent analysis. Its main capabilities include Reasoning, Strategy, Empathy Modeling, Research.
    How does Grok 4.1 Thinking compare to other models?
    Grok 4.1 Thinking excels at Reasoning before responding and is recommended for Strategic planning, Research, Complex analysis, Decision support. See related models below.
    How do I use Grok 4.1 Thinking in yno.ai?
    Sign up for yno.ai, select Grok 4.1 Thinking from the model picker, and start chatting.