Grok 4.7 vs Step-3.5-Flash
Grok 4.7 leads the LLM Stats Score 48.5 to 37.2. Step-3.5-Flash is 17.1x cheaper per token.
xAI · StepFun · Updated for 2026
Which is better?
Grok 4.7 leads the overall LLM Stats Score 48.5 to 37.2, ranking #23 overall.
On price, Step-3.5-Flash is roughly 17.1x 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 coding 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
Choose Step-3.5-Flash
- cost matters — it's about 17.1x 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 · 7 for Step-3.5-Flash
Grok 4.7 and Step-3.5-Flashdon'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 20.0x more expensive than Step-3.5-Flash ($0.10/1M tokens).
For output processing, Grok 4.7 ($6.00/1M tokens) is 15.0x more expensive than Step-3.5-Flash ($0.40/1M tokens).
In conclusion, Grok 4.7 is more expensive than Step-3.5-Flash.*
* 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 Step-3.5-Flash's 65,536 tokens. Only Step-3.5-Flash specifies output context (8,192 tokens).
Input capabilities
Documented input modalities across available providers
Grok 4.7 supports multimodal inputs, whereas Step-3.5-Flash 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
Step-3.5-Flash
License
Usage and distribution terms
Grok 4.7 is licensed under a proprietary license, while Step-3.5-Flash 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 4.7 was released on 2026-09-21, while Step-3.5-Flash was released on 2026-02-02.
Grok 4.7 is 8 months newer than Step-3.5-Flash.
Sep 21, 2026
1 days ago
7mo newerFeb 2, 2026
7 months ago
Knowledge Cutoff
When training data ends
Grok 4.7 has a documented knowledge cutoff of 2026-06-01, while Step-3.5-Flash'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 Step-3.5-Flash's cutoff date.
Jun 2026
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Provider Availability
Grok 4.7 is available from xAI. Step-3.5-Flash is available from StepFun.
Grok 4.7
Step-3.5-Flash
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok 4.7 and Step-3.5-Flash side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok 4.7 vs Step-3.5-Flash.