Grok 4.7 vs Llama 3.1 8B Instruct
Grok 4.7 leads the LLM Stats Score 48.5 to -2.6. Llama 3.1 8B Instruct is 133.3x cheaper per token.
xAI · Meta · Updated for 2026
Which is better?
Grok 4.7 leads the overall LLM Stats Score 48.5 to -2.6, ranking #23 overall.
On price, Llama 3.1 8B Instruct is roughly 133.3x 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 Llama 3.1 8B Instruct
- cost matters — it's about 133.3x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
23 reported for Grok 4.7 · 18 for Llama 3.1 8B Instruct
Grok 4.7 and Llama 3.1 8B Instructdon'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 100.0x more expensive than Llama 3.1 8B Instruct ($0.02/1M tokens).
For output processing, Grok 4.7 ($6.00/1M tokens) is 200.0x more expensive than Llama 3.1 8B Instruct ($0.03/1M tokens).
In conclusion, Grok 4.7 is more expensive than Llama 3.1 8B Instruct.*
* 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 Llama 3.1 8B Instruct's 131,072 tokens. Only Llama 3.1 8B Instruct specifies output context (131,072 tokens).
Input capabilities
Documented input modalities across available providers
Grok 4.7 supports multimodal inputs, whereas Llama 3.1 8B Instruct 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
Llama 3.1 8B Instruct
License
Usage and distribution terms
Grok 4.7 is licensed under a proprietary license, while Llama 3.1 8B Instruct uses Llama 3.1 Community License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Llama 3.1 Community License
Open weights
Release Timeline
When each model was launched
Grok 4.7 was released on 2026-09-21, while Llama 3.1 8B Instruct was released on 2024-07-23.
Grok 4.7 is 26 months newer than Llama 3.1 8B Instruct.
Sep 21, 2026
1 days ago
2.2yr newerJul 23, 2024
2.2 years ago
Knowledge Cutoff
When training data ends
Grok 4.7 has a knowledge cutoff of 2026-06-01, while Llama 3.1 8B Instruct has a cutoff of 2023-12-31.
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 Llama 3.1 8B Instruct (2023-12-31).
Jun 2026
2.5 yr newerDec 2023
Provider Availability
Grok 4.7 is available from xAI. Llama 3.1 8B Instruct is available from DeepInfra, Lambda, Groq, Sambanova, Cerebras, Hyperbolic, Together, Fireworks, Bedrock.
Grok 4.7
Llama 3.1 8B Instruct
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok 4.7 and Llama 3.1 8B Instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok 4.7 vs Llama 3.1 8B Instruct.