xAI's Grok 4.5 Claims Capability Parity with Anthropic's Opus 4.7, Citing Speed and Cost Advantages

Elon Musk stated that xAI's Grok 4.5 is roughly comparable to Anthropic's Opus 4.7 in capability, while being much faster and offering a lower cost. Engineers at Tesla and SpaceX reportedly find Grok 4.5 genuinely useful, with xAI prioritizing real-world usefulness over traditional benchmarks.

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Who's exposed

xAITailwindGrok 4.5 achieving performance parity with GPT-5.5 at a lower cost provides xAI a competitive advantage in pricing and efficiency, increasing its market attractiveness.

Sources (2)

xAI Grok 4.5 Achieves Performance Parity with GPT-5.5 at Lower Cost

PRIMARYGeneral AI Twitter · Twitter · 1w ago

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xAI's Grok 4.5 Claims Capability Parity with Anthropic's Opus 4.7, Citing Speed and Cost Advantages

Web2 Robotics Twitter · Twitter · 1w ago

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Credibility

Lead sourceGeneral AI Twitter

Corroboration2 distinct outlets

VerificationCorroborated

Entities

Anthropicmentioned Teslamentioned SpaceXmentioned xAIsubject OpenAImentioned

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Notable6.8BenchmarkModelsCorroboratedactive

Updated 1w ago · 2 sources

xAI's Grok 4.5 Claims Capability Parity with Anthropic's Opus 4.7, Citing Speed and Cost Advantages

Elon Musk stated that xAI's Grok 4.5 is roughly comparable to Anthropic's Opus 4.7 in capability, while being much faster and offering a lower cost. Engineers at Tesla and SpaceX reportedly find Grok 4.5 genuinely useful, with xAI prioritizing real-world usefulness over traditional benchmarks.

View Tweet→

Who's exposed

xAITailwindGrok 4.5 achieving performance parity with GPT-5.5 at a lower cost provides xAI a competitive advantage in pricing and efficiency, increasing its market attractiveness.