Grok 4.7 vs 4.6: what actually changed in 2026?

xAI describes a model better suited to sustained coding, checking assumptions, and producing complex documents or presentations. Its published figures show gains on several coding and professional-work evaluations. Read those figures with their methodology: some comparisons use different effort settings. A higher vendor benchmark does not guarantee that every answer will be more accurate.

For SEO work, the potential benefit lies in investigations that connect multiple sources, a timeline, data tables and a written conclusion that must be checked. For a simple question, the difference between 4.6 and 4.7 may barely matter. Run both on the same brief and measure factual errors, corrections and time saved.

The Grok 4.7 technical documentation lists a 500,000-token context window, text and image input, and text output. A large context window lets you provide more material; it does not mean the model has read today's web. xAI lists May 2026 as its knowledge cutoff.

For fresh information via the API, xAI documents separate web search and X search tools. Whether they are available and enabled depends on the product or integration. Request source links, check their dates and separate retrieved facts from the model's interpretation. Our Rankerfox Grok page describes the assistant's uses; this guide compares model versions.

As of September 27, 2026, xAI lists Grok 4.7 starting at $2 per million input tokens and $6 per million output tokens, the same base price as 4.6. A faster 4.7 variant is advertised at twice the output speed and twice the price. Tools, caching, context and billing terms can change actual costs. These figures are neither a Grok subscription price nor Rankerfox pricing.

The Grok page shows the assistant in the Premium catalog presented here. xAI's release confirms availability in its own products and selected integrations, not the exact version served by Rankerfox at any given moment. Check your session's picker and displayed model information before assuming 4.7 has replaced 4.6. The Rankerfox AI tools overview also covers Claude and ChatGPT so you can choose by task.

1. Pick three tasks: a simple answer, research requiring fresh sources, and a long multi-step project.
2. Give both versions that you can actually access the same files, instructions and success criteria.
3. For research, verify links, dates and whether web or X search tools were actually used.
4. Choose the version that requires the least correction to reach a usable result.

Does Grok 4.7 automatically have real-time web access?

No. The API offers separate web and X search tools. A “4.7” label alone guarantees neither that they are enabled nor that an answer is current.

Is Grok 4.7 more expensive than 4.6?

xAI announces the same standard API price for both: $2 input and $6 output per million tokens. The fast 4.7 variant has separate pricing.

Should I switch versions immediately?

Not necessarily. If 4.6 works well for you, compare them first on your hardest tasks and confirm which versions are actually available in your interface.

Information checked on September 27, 2026:

• xAI's Grok 4.7 announcement;
• xAI's Grok 4.6 announcement;
• Grok 4.7 technical documentation.