x-ai/grok-4.6Grok 4.6 is xAI’s proprietary AI model, released Aug 12, 2026. It costs $2/M input and $6/M output tokens, and handles a 500K-token context window. Its strongest use case is agentic & tools, where it ranks in the 91st percentile of the models Model Beat tracks.
Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. It is succeeded by [Grok 4.7](/x-ai/grok-4.7).
Scores on standardized evaluations. Higher is better — and rank shows where Grok 4.6 lands among all models tracked on Model Beat.
Abstract visual reasoning
Harder abstract reasoning
Graduate-level scientific reasoning
Frontier of human expert knowledge
Common-sense trick questions
Factual accuracy & hallucination
Novel ML problem-solving
Scientific research coding
Human-rated web development
Olympiad-qualifier math
Multi-step agentic tasks
Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. It is succeeded by [Grok 4.7](/x-ai/grok-4.7).
Grok 4.6 is an AI model developed by xAI, part of the Grok family, released Aug 12, 2026.
Grok 4.6's list price from xAI is $2 per million input tokens and $6 per million output tokens.
Grok 4.6 supports a context window of up to 500K tokens.
On standardized evaluations tracked by Epoch AI, Grok 4.6 scores 94.0% on GPQA Diamond, 65.3% on APEX, 99.2% on AIME 2024/2025.
Grok 4.6 is a proprietary model (API access), available through its provider's API rather than as a downloadable open-weight model.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Oct 6, 2026.