Model Comparison

Gemini 3.5 Flash Cyber vs Grok Code Fast 1Which is better in 2026?

Comparing Gemini 3.5 Flash Cyber and Grok Code Fast 1 across benchmarks, pricing, and capabilities.

Verdict: Gemini 3.5 Flash Cyber vs Grok Code Fast 1 — which is better?

Gemini 3.5 Flash Cyber (by Google) and Grok Code Fast 1 (by xAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Choose Gemini 3.5 Flash Cyber if…

  • you want the most recent training data — it shipped Jul 2026

Choose Grok Code Fast 1 if…

  • you want predictable pricing at $0.20/M input and $1.50/M output

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 3.5 Flash Cyber and Grok Code Fast 1don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Grok Code Fast 1 specifies input context (256,000 tokens). Only Grok Code Fast 1 specifies output context (10,000 tokens).

Google
Gemini 3.5 Flash Cyber
Input- tokens
Output- tokens
xAI
Grok Code Fast 1
Input256,000 tokens
Output10,000 tokens
Tue Jul 21 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3.5 Flash Cyber

Proprietary

Closed source

Grok Code Fast 1

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.5 Flash Cyber was released on 2026-07-21, while Grok Code Fast 1 was released on 2025-08-28.

Gemini 3.5 Flash Cyber is 11 months newer than Grok Code Fast 1.

Gemini 3.5 Flash Cyber

Jul 21, 2026

0 days ago

10mo newer
Grok Code Fast 1

Aug 28, 2025

10 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google

No standout differentiators in the data we have for this pair.

xAI
Larger context window (256,000 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 3.5 Flash Cyber and Grok Code Fast 1 side-by-side, then vote on the output you prefer.

Gemini 3.5 Flash Cyber
✓ Preferred
Grok Code Fast 1
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 3.5 Flash Cyber
xAI
Grok Code Fast 1

FAQ

Common questions about Gemini 3.5 Flash Cyber vs Grok Code Fast 1.

Which is better, Gemini 3.5 Flash Cyber or Grok Code Fast 1?

Gemini 3.5 Flash Cyber (Google) and Grok Code Fast 1 (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Gemini 3.5 Flash Cyber compare to Grok Code Fast 1 in benchmarks?

Gemini 3.5 Flash Cyber scores CyberGym: 83.2%. Grok Code Fast 1 scores SWE-Bench Verified: 70.8%.

What are the context window sizes for Gemini 3.5 Flash Cyber and Grok Code Fast 1?

Gemini 3.5 Flash Cyber supports an unknown number of tokens and Grok Code Fast 1 supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Gemini 3.5 Flash Cyber and Grok Code Fast 1?

Gemini 3.5 Flash Cyber is developed by Google and Grok Code Fast 1 is developed by xAI.

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