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X launches Grok 4.3 with improved agentic performance and lower price

By PulseAugur Editorial · [2 sources] ·

xAI has released Grok-4.3, a new iteration of its AI model, which offers improved agentic performance and a lower price point compared to its predecessor. The model achieved a significant increase of 321 ELO points on the Artificial Analysis GDPval-AA benchmark, reaching a total score of 1500. This performance surpasses other leading models, positioning Grok-4.3 as a competitive offering in the AI market. AI

IMPACT New model release from xAI offers improved performance and lower cost, potentially impacting market competition.

RANK_REASON Frontier lab (xAI) model release with benchmark performance claims.

Read on X — Elon Musk →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

X launches Grok 4.3 with improved agentic performance and lower price

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Frontier Release
Frontier lab (xAI) model release with benchmark performance claims.
Source corroboration
2 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
148 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [2]

  1. Hacker News — AI stories ≥50 points TIER_1 (AF) · simianwords ·

    Grok 4.3

  2. X — Elon Musk TIER_1 Polski(PL) · Elon Musk ·

    Grok

    Grok<div class="rsshub-quote"><br /><br />OpenRouter: The new Grok-4.3 from @xai is live on OpenRouter!<br /><br />Grok-4.3 releases at a lower price than Grok-4.2, while seeing a large jump in agentic performance: a 321 point increase to 1500 ELO on @ArtificialAnlys GDPval-AA, s…

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