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xAI's state-of-the-art AI assistant with advanced text and vision understanding, integrating real-time information from the 𝕏 (Twitter) platform. Released August 2024 for 𝕏 Premium and Premium+ users. Achieves competitive performance with frontier models on graduate-level science (GPQA), general knowledge (MMLU, MMLU-Pro), and math (MATH). Excels at vision tasks - reaches 93.6% on DocVQA document Q&A (outperforming GPT-4 Turbo 87.2% and Claude 3.5 Sonnet 89.3%). Introduced as 'sus-column-r' on LMArena, outperforming Claude and GPT-4 on LMSYS leaderboard. Includes Grok-2 mini variant balancing speed and quality.

Strengths

  • Real-time information integration from 𝕏 platform for current events
  • Exceptional document understanding - 93.6% DocVQA (beats GPT-4 Turbo and Claude 3.5 Sonnet)
  • Competitive with frontier models on academic benchmarks (GPQA, MMLU, MATH)
  • Outperformed Claude and GPT-4 on LMSYS leaderboard (as 'sus-column-r')
  • Advanced vision capabilities for charts, documents, and images
  • Grok-2 mini variant provides speed-quality balance
  • Integrated into 𝕏 Premium for seamless platform experience

Caveats

  • Primarily accessible via 𝕏 Premium subscription (limited API availability)
  • Real-time integration limited to 𝕏 platform data
  • Newer model with less ecosystem maturity than OpenAI/Anthropic
  • 4K max output tokens lower than some competitors
  • API pricing and availability less standardized than major providers
Vendor
xAI
Context Window
128,000 tokens
Max Output
4,096 tokens
License
Proprietary
Release Date
2024-08-13
Modalities
text
image
BenchmarkScoreMax
DocVQA93.6-
livebench_coding47.1100.0
livebench_instruction_following73.7100.0
livebench_language45.5100.0

Capabilities

Vision
Audio
Video
Tool Use

Pricing

Available via 𝕏 Premium subscription. API pricing varies by provider

Reviews

Comments