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xAIReliability issues

Grok responses are inconsistent and slow, especially with complex queries and large prompts

Read at g2.com

What happened

Multiple users, including a Small-Business Senior Analyst and a Small-Business Developer L2, report that Grok's responses can be inconsistent and slow, especially with complex queries. The AI/ML Developer notes 'some responses take longer than expected' and the Senior Analyst experiences long response times with 'big prompt'. The Developer L2 also states that answers can be 'inconsistent or overly confident'.

Source

From the reviews

  • 5 of 5
    “Sometimes the answers can be a little inconsistent, especially with more specific or complex questions. The UI could also be improved in a few areas, and some responses take longer than expected.”

    Sunil P., AI/ML DEVLOPERSep 1, 2026View

  • 5 of 5
    “Sometimes it takes a long time to respond when I enter a big prompt. That’s the only thing I dislike.”

    Chanukya C., Senior AnalystAug 25, 2026View

  • 5 of 5
    “Grok can sometimes provide inconsistent or overly confident answers, especially on complex topics. Some responses may also need fact-checking, and the quality can vary depending on the query.”

    Havoc P., Developer L2Aug 25, 2026View

  • 5 of 5
    “Grok can sometimes be overly confident in its answers, even when the information may not be completely accurate. I also find that some responses can be more detailed than necessary, so I occasionally have to refine my prompts to get a more concise answer.”

    Brockish S., AnalystAug 25, 2026View

Extracted by Autobound

From the Signal API record
Signal
Reliability issues

What this signalsReview themes often show where customers may look for an alternative.

Star rating
5 of 5
Reviewer
Sunil P.
Reviewer details
AI/ML DEVLOPER

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The full record

From the Signal API record

Details

Reviewer role
Senior Analyst

Extraction

Detected
Sep 14, 2026
signal_type
product-reviews
signal_subtype
ReliabilityIssues

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This page shows a preview. The full product-reviews record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
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Show the full JSONThe record on this page and the API request

GET /v1/signals/4feb5987-e121-484c-9179-73f478663f79 returns this record as JSON. POST /v1/companies/enrich returns every signal for x.ai.

{
  "signal_id": "4feb5987-e121-484c-9179-73f478663f79",
  "signal_type": "product-reviews",
  "signal_subtype": "ReliabilityIssues",
  "detected_at": "2026-09-14T09:24:24.631+00:00",
  "company": {
    "name": "xAI",
    "domain": "x.ai"
  },
  "data": {
    "summary": "Multiple users, including a Small-Business Senior Analyst and a Small-Business Developer L2, report that Grok's responses can be inconsistent and slow, especially with complex queries. The AI/ML Developer notes 'some responses take longer than expected' and the Senior Analyst experiences long response times with 'big prompt'. The Developer L2 also states that answers can be 'inconsistent or overly confident'.",
    "evidence": [
      {
        "quote": "Sometimes the answers can be a little inconsistent, especially with more specific or complex questions. The UI could also be improved in a few areas, and some responses take longer than expected.",
        "review_url": "https://www.g2.com/products/xai-grok/reviews#review-13394721",
        "review_date": "2026-09-01",
        "star_rating": 5,
        "reviewer_name": "Sunil P.",
        "reviewer_title": "AI/ML DEVLOPER"
      },
      {
        "quote": "Sometimes it takes a long time to respond when I enter a big prompt. That’s the only thing I dislike.",
        "review_url": "https://www.g2.com/products/xai-grok/reviews#review-13357830",
        "review_date": "2026-08-25",
        "star_rating": 5,
        "reviewer_name": "Chanukya C.",
        "reviewer_title": "Senior Analyst"
      },
      {
        "quote": "Grok can sometimes provide inconsistent or overly confident answers, especially on complex topics. Some responses may also need fact-checking, and the quality can vary depending on the query.",
        "review_url": "https://www.g2.com/products/xai-grok/reviews#review-13358173",
        "review_date": "2026-08-25",
        "star_rating": 5,
        "reviewer_name": "Havoc P.",
        "reviewer_title": "Developer L2"
      },
      {
        "quote": "Grok can sometimes be overly confident in its answers, even when the information may not be completely accurate. I also find that some responses can be more detailed than necessary, so I occasionally have to refine my prompts to get a more concise answer.",
        "review_url": "https://www.g2.com/products/xai-grok/reviews#review-13359256",
        "review_date": "2026-08-25",
        "star_rating": 5,
        "reviewer_name": "Brockish S.",
        "reviewer_title": "Analyst"
      }
    ],
    "headline": "Grok responses are inconsistent and slow, especially with complex queries and large prompts",
    "relevance": 75,
    "product_name": "Grok",
    "source_page_url": "https://www.g2.com/products/xai-grok/reviews/reviews",
    "switching_intent": {
      "urgency": "none",
      "detected": false
    },
    "quantified_impact": {
      "has_numbers": false
    },
    "decision_maker_complaint": {
      "title": "Senior Analyst",
      "is_decision_maker": false
    }
  }
}

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