Grok-3 vs Step3-VL-10B
Grok-3 and Step3-VL-10B are closely matched at 30.7 and 26.1 on the LLM Stats Score.
xAI · StepFun · Updated for 2026
Which is better?
Grok-3 and Step3-VL-10B are closely matched on the overall LLM Stats Score at 30.7 and 26.1.
The models split the 2 individual benchmarks reported for both models evenly.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Grok-3
- you want predictable pricing at $3.00/M input and $15.00/M output
Choose Step3-VL-10B
- you want the most recent training data — it shipped Jan 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
5 reported for Grok-3 · 6 for Step3-VL-10B
Grok-3 outperforms in 1 benchmarks (AIME 2025), while Step3-VL-10B is better at 1 benchmark (MMMU).
Both models are evenly matched across the benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Grok-3 specifies input context (128,000 tokens). Only Grok-3 specifies output context (8,000 tokens).
Input capabilities
Documented input modalities across available providers
Both Grok-3 and Step3-VL-10B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Grok-3
Step3-VL-10B
License
Usage and distribution terms
Grok-3 is licensed under a proprietary license, while Step3-VL-10B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Grok-3 was released on 2025-02-17, while Step3-VL-10B was released on 2026-01-15.
Step3-VL-10B is 11 months newer than Grok-3.
Feb 17, 2025
1.5 years ago
Jan 15, 2026
7 months ago
11mo newerKnowledge Cutoff
When training data ends
Grok-3 has a documented knowledge cutoff of 2024-11-17, while Step3-VL-10B's cutoff date is not specified.
We can confirm Grok-3's training data extends to 2024-11-17, but cannot make a direct comparison without Step3-VL-10B's cutoff date.
Nov 2024
—
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok-3 and Step3-VL-10B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok-3 vs Step3-VL-10B.