Grok 4.7 vs Mercury 2
Grok 4.7 leads the LLM Stats Score 48.5 to 23.6. Mercury 2 is 8.0x cheaper per token.
xAI · Inception · Updated for 2026
Which is better?
Grok 4.7 leads the overall LLM Stats Score 48.5 to 23.6, ranking #23 overall.
On price, Mercury 2 is roughly 8.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Grok 4.7 also accepts a larger context window (500,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Grok 4.7
- overall performance matters — it scores 48.5 and ranks #23 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you process long inputs — it offers a 500,000 token context window
- you want the most recent training data — it shipped Sep 2026
Choose Mercury 2
- cost matters — it's about 8.0x cheaper per token
At a glance
The differences that matter most.
Individual benchmarks
23 reported for Grok 4.7 · 6 for Mercury 2
Grok 4.7 and Mercury 2don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Grok 4.7 ($2.00/1M tokens) is 8.0x more expensive than Mercury 2 ($0.25/1M tokens).
For output processing, Grok 4.7 ($6.00/1M tokens) is 8.0x more expensive than Mercury 2 ($0.75/1M tokens).
In conclusion, Grok 4.7 is more expensive than Mercury 2.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Grok 4.7 accepts 500,000 input tokens compared to Mercury 2's 128,000 tokens. Only Mercury 2 specifies output context (8,192 tokens).
Input capabilities
Documented input modalities across available providers
Grok 4.7 supports multimodal inputs, whereas Mercury 2 does not.
Grok 4.7 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Grok 4.7
Mercury 2
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Grok 4.7 was released on 2026-09-21, while Mercury 2 was released on 2026-02-24.
Grok 4.7 is 7 months newer than Mercury 2.
Sep 21, 2026
1 days ago
6mo newerFeb 24, 2026
7 months ago
Knowledge Cutoff
When training data ends
Grok 4.7 has a documented knowledge cutoff of 2026-06-01, while Mercury 2's cutoff date is not specified.
We can confirm Grok 4.7's training data extends to 2026-06-01, but cannot make a direct comparison without Mercury 2's cutoff date.
Jun 2026
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Provider Availability
Grok 4.7 is available from xAI. Mercury 2 is available from Inception.
Grok 4.7
Mercury 2
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok 4.7 and Mercury 2 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok 4.7 vs Mercury 2.