Granite 3.3 8B Instruct vs Grok 4.6
Comparing Granite 3.3 8B Instruct and Grok 4.6 across benchmarks, pricing, and capabilities.
IBM · xAI · Updated for 2026
Which is better?
Granite 3.3 8B Instruct and Grok 4.6 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, Granite 3.3 8B Instruct is roughly 6.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Grok 4.6 also accepts a larger context window (500,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Granite 3.3 8B Instruct
- cost matters — it's about 6.0x cheaper per token
- you need open weights you can self-host or fine-tune
Choose Grok 4.6
- you process long inputs — it offers a 500,000 token context window
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Granite 3.3 8B Instruct and Grok 4.6don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Granite 3.3 8B Instruct ($0.50/1M tokens) is 4.0x cheaper than Grok 4.6 ($2.00/1M tokens).
For output processing, Granite 3.3 8B Instruct ($0.50/1M tokens) is 12.0x cheaper than Grok 4.6 ($6.00/1M tokens).
In conclusion, Grok 4.6 is more expensive than Granite 3.3 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Grok 4.6 accepts 500,000 input tokens compared to Granite 3.3 8B Instruct's 128,000 tokens. Only Granite 3.3 8B Instruct specifies output context (8,192 tokens).
Input Capabilities
Supported data types and modalities
Both Granite 3.3 8B Instruct and Grok 4.6 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Granite 3.3 8B Instruct
Grok 4.6
License
Usage and distribution terms
Granite 3.3 8B Instruct is licensed under Apache 2.0, while Grok 4.6 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
Granite 3.3 8B Instruct was released on 2025-04-16, while Grok 4.6 was released on 2026-08-12.
Grok 4.6 is 16 months newer than Granite 3.3 8B Instruct.
Apr 16, 2025
1.4 years ago
Aug 12, 2026
1 weeks ago
1.3yr newerKnowledge Cutoff
When training data ends
Granite 3.3 8B Instruct has a knowledge cutoff of 2024-04-01, while Grok 4.6 has a cutoff of 2026-02-01.
Grok 4.6 has more recent training data (up to 2026-02-01), making it potentially better informed about events through that date compared to Granite 3.3 8B Instruct (2024-04-01).
Apr 2024
Feb 2026
1.8 yr newerProvider Availability
Granite 3.3 8B Instruct is available from Replicate. Grok 4.6 is available from xAI.
Granite 3.3 8B Instruct
Grok 4.6
Outputs Comparison
Judge for yourself.
Run your own prompts against Granite 3.3 8B Instruct and Grok 4.6 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Granite 3.3 8B Instruct vs Grok 4.6.