name = "Grok 4.3" description = "xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk" family = "grok" release_date = "2026-04-17" last_updated = "2026-04-17" attachment = true reasoning = true temperature = true tool_call = true structured_output = true open_weights = false [limit] context = 1_000_000 output = 30_000 [modalities] input = ["text", "image", "pdf"] output = ["text"] [[benchmarks]] name = "Artificial Analysis Intelligence Index" score = 53 metric = "index score" version = "4.0" source = "https://artificialanalysis.ai/articles/xai-launches-grok-4-3-with-improved-agentic-performance-and-lower-pricing" date = "2026-04-30" [[benchmarks]] name = "GDPval-AA" score = 1500 metric = "Elo" source = "https://artificialanalysis.ai/articles/xai-launches-grok-4-3-with-improved-agentic-performance-and-lower-pricing" date = "2026-04-30" [[benchmarks]] name = "τ²-Bench Telecom" score = 98 metric = "success rate" source = "https://artificialanalysis.ai/articles/xai-launches-grok-4-3-with-improved-agentic-performance-and-lower-pricing" date = "2026-04-30" [[benchmarks]] name = "IFBench" score = 81 metric = "accuracy" source = "https://artificialanalysis.ai/articles/xai-launches-grok-4-3-with-improved-agentic-performance-and-lower-pricing" date = "2026-04-30"