Featured Snippet Answer Grok 4.3 is the better raw-cost choice for output-heavy reasoning agents, while Gemini 3.5 Flash is the stronger default for multimodal, coding, and Google-grounded workflows.

Grok 4.5 topped AutomationBench-AA at 51.4% and $0.34 per task, backing Musk's Opus-class cost and efficiency claim.

Elon Musk escalated tensions in the critical artificial intelligence race Thursday, asserting his most advanced AI model, Grok 4 Heavy, was already outperforming OpenAI’s newly launched GPT-5 two ...

SpaceXAI's new coding model is cheaper and faster than Anthropic and OpenAI's flagships—and by Musk's own account, at least ...

Tops the Long-Horizon Terminal Bench. Costs a fraction of the competition. Still not a Fable 5 replacement — but it doesn't ...

When xAI launched Grok 4 last week, the company claimed the large language model outperformed several competitors on different benchmarks. But the Grok account on X that runs off the model immediately ...

Grok 4 had lower lmarena scores than I had projected based upon the amount AI training compute used. I had projections for Grok 3.5 which was renamed Grok 4. We do not have elo lmarena score for Grok ...

There is a common problem for all AI companies for overfitting to benchmarks. XAI Grok 4 has some problems with prompt adherence. XAI could have had overfitting resulted from the reinforcement ...

Benchmark estimates put Grok 4.5 at $2.49 per coding task versus $5.07 for GPT-5.5 in Codex and $11.80 for Fable 5 in Claude ...

Grok 4.5, in what is its first major launch since it went public a few weeks earlier. In a blog post earlier today, the ...