Model Comparison

Gemini 3.5 Flash Cyber vs Phi 4Which is better in 2026?

Comparing Gemini 3.5 Flash Cyber and Phi 4 across benchmarks, pricing, and capabilities.

Verdict: Gemini 3.5 Flash Cyber vs Phi 4 — which is better?

Gemini 3.5 Flash Cyber (by Google) and Phi 4 (by Microsoft) 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 Phi 4 if…

  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 3.5 Flash Cyber and Phi 4don'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 Phi 4 specifies input context (16,000 tokens). Only Phi 4 specifies output context (16,000 tokens).

Google
Gemini 3.5 Flash Cyber
Input- tokens
Output- tokens
Microsoft
Phi 4
Input16,000 tokens
Output16,000 tokens
Thu Jul 23 2026 • llm-stats.com

License

Usage and distribution terms

Gemini 3.5 Flash Cyber is licensed under a proprietary license, while Phi 4 uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Gemini 3.5 Flash Cyber

Proprietary

Closed source

Phi 4

MIT

Open weights

Release Timeline

When each model was launched

Gemini 3.5 Flash Cyber was released on 2026-07-21, while Phi 4 was released on 2024-12-12.

Gemini 3.5 Flash Cyber is 20 months newer than Phi 4.

Gemini 3.5 Flash Cyber

Jul 21, 2026

2 days ago

1.6yr newer
Phi 4

Dec 12, 2024

1.6 years ago

Knowledge Cutoff

When training data ends

Phi 4 has a documented knowledge cutoff of 2024-06-01, while Gemini 3.5 Flash Cyber's cutoff date is not specified.

We can confirm Phi 4's training data extends to 2024-06-01, but cannot make a direct comparison without Gemini 3.5 Flash Cyber's cutoff date.

Gemini 3.5 Flash Cyber

Phi 4

Jun 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

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

Larger context window (16,000 tokens)
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 3.5 Flash Cyber and Phi 4 side-by-side, then vote on the output you prefer.

Gemini 3.5 Flash Cyber
✓ Preferred
Phi 4
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 3.5 Flash Cyber
Microsoft
Phi 4

FAQ

Common questions about Gemini 3.5 Flash Cyber vs Phi 4.

Which is better, Gemini 3.5 Flash Cyber or Phi 4?

Gemini 3.5 Flash Cyber (Google) and Phi 4 (Microsoft) 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 Phi 4 in benchmarks?

Gemini 3.5 Flash Cyber scores CyberGym: 83.2%. Phi 4 scores MMLU: 84.8%, HumanEval+: 82.8%, HumanEval: 82.6%, MGSM: 80.6%, MATH: 80.4%.

What are the context window sizes for Gemini 3.5 Flash Cyber and Phi 4?

Gemini 3.5 Flash Cyber supports an unknown number of tokens and Phi 4 supports 16K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.5 Flash Cyber and Phi 4?

Key differences include licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.5 Flash Cyber and Phi 4?

Gemini 3.5 Flash Cyber is developed by Google and Phi 4 is developed by Microsoft.