Grok 4.7 — reviews, specs & pricing
xAI's frontier model for coding, agents and knowledge work, released 21 September 2026. Larger base model than Grok 4.6 with a longer RL run on multi-hour tasks, 500k context, text and image input, four reasoning efforts, and the same $2/$6 pricing ($4/$12 above 200k prompt tokens).
Summary
Released in September 2026, Grok 4.7 is xAI's premier frontier model designed for complex coding, agentic workflows, and deep knowledge work. It features a larger base architecture, a generous 500k context window, multimodal text and image capabilities, and four selectable reasoning effort levels. Refined through extended reinforcement learning, the model is highly optimized for executing sustained, multi-hour cognitive tasks.
Sample use case
A software engineering team can utilize Grok 4.7 to autonomously refactor a legacy application by uploading the entire codebase and architectural diagrams into its 500k context window. Using its highest reasoning effort level, the model can analyze the system's dependencies, plan the migration, and systematically execute code updates over several hours of agentic execution while maintaining strict alignment with the original design specs.
Specifications
- Provider: xai
- License: closed
- Context: 500k tokens
- Input price: $2/M tok
- Output price: $6/M tok
- Released: 2026-09-21
Pros
- Massive 500k token context window
- Extended RL optimization for multi-hour tasks
- Four adjustable reasoning effort levels
- Highly competitive baseline pricing
Cons
- Surcharge rates apply for prompts over 200k tokens
- Lacks native audio and video input modalities
- Higher latency during maximum reasoning efforts
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