Gemma 4 31B vs Grok 4.7
Grok 4.7 leads the LLM Stats Score 48.5 to 33.1. Gemma 4 31B is 19.7x cheaper per token.
Google · xAI · Updated for 2026
Which is better?
Grok 4.7 leads the overall LLM Stats Score 48.5 to 33.1, ranking #23 overall.
On price, Gemma 4 31B is roughly 19.7x 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 Gemma 4 31B
- cost matters — it's about 19.7x cheaper per token
- you need open weights you can self-host or fine-tune
Choose Grok 4.7
- overall performance matters — it scores 48.5 and ranks #23 on LLM Stats
- your work emphasizes reasoning and agents — 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
At a glance
The differences that matter most.
Individual benchmarks
12 reported for Gemma 4 31B · 23 for Grok 4.7
Gemma 4 31B and Grok 4.7don'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, Gemma 4 31B ($0.09/1M tokens) is 22.2x cheaper than Grok 4.7 ($2.00/1M tokens).
For output processing, Gemma 4 31B ($0.34/1M tokens) is 17.6x cheaper than Grok 4.7 ($6.00/1M tokens).
In conclusion, Grok 4.7 is more expensive than Gemma 4 31B.*
* 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 Gemma 4 31B's 262,144 tokens. Only Gemma 4 31B specifies output context (262,144 tokens).
Input capabilities
Documented input modalities across available providers
Both Gemma 4 31B and Grok 4.7 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemma 4 31B
Grok 4.7
License
Usage and distribution terms
Gemma 4 31B is licensed under Apache 2.0, while Grok 4.7 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Apache 2.0
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Gemma 4 31B was released on 2026-04-02, while Grok 4.7 was released on 2026-09-21.
Grok 4.7 is 6 months newer than Gemma 4 31B.
Apr 2, 2026
5 months ago
Sep 21, 2026
1 days ago
5mo newerKnowledge Cutoff
When training data ends
Gemma 4 31B has a knowledge cutoff of 2025-01-01, while Grok 4.7 has a cutoff of 2026-06-01.
Grok 4.7 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Gemma 4 31B (2025-01-01).
Jan 2025
Jun 2026
1.4 yr newerProvider Availability
Gemma 4 31B is available from DeepInfra, FriendliAI, Novita, Together. Grok 4.7 is available from xAI.
Gemma 4 31B
Grok 4.7
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemma 4 31B and Grok 4.7 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemma 4 31B vs Grok 4.7.