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Gemini 3.8 Flash Cyber vs Gemini 4 Argon

Gemini 3.8 Flash Cyber and Gemini 4 Argon are closely matched at 39.4 and 55.4 on the LLM Stats Score.

Google · Google · Updated for 2026

Which is better?

Gemini 3.8 Flash Cyber and Gemini 4 Argon are closely matched on the overall LLM Stats Score at 39.4 and 55.4.

In the 1 individual benchmarks reported for both models, Gemini 4 Argon wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Gemini 3.8 Flash Cyber

  • you are already invested in the Google ecosystem

Choose Gemini 4 Argon

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Gemini 3.8 Flash Cyber
Google
Gemini 4 Argon
Google
Core performance indexes
LLM Stats Score
39.4
#69
55.4
#4
Coding
32.1
#49
43.0
#7
Agents
28.4
#51
40.9
#4
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Individual benchmarks

4 reported for Gemini 3.8 Flash Cyber · 19 for Gemini 4 Argon

1 shared

Gemini 3.8 Flash Cyber outperforms in 0 benchmarks, while Gemini 4 Argon is better at 1 benchmark (CWE-Bench).

Gemini 4 Argon significantly outperforms across most benchmarks.

Mon Oct 19 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

Gemini 4 Argon supports multimodal inputs, whereas Gemini 3.8 Flash Cyber does not.

Gemini 4 Argon can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3.8 Flash Cyber

Text
Images
Audio
Video

Gemini 4 Argon

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3.8 Flash Cyber

Proprietary

Closed source

Gemini 4 Argon

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.8 Flash Cyber was released on 2026-09-02, while Gemini 4 Argon was released on 2026-09-30.

Gemini 4 Argon is 1 month newer than Gemini 3.8 Flash Cyber.

Gemini 3.8 Flash Cyber

Sep 2, 2026

1 months ago

Gemini 4 Argon

Sep 30, 2026

2 weeks ago

4w newer

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?

Judge for yourself.

Run your own prompts against Gemini 3.8 Flash Cyber and Gemini 4 Argon side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash Cyber
✓ Preferred
Gemini 4 Argon
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash Cyber vs Gemini 4 Argon.

Which is better, Gemini 3.8 Flash Cyber or Gemini 4 Argon?

Gemini 3.8 Flash Cyber and Gemini 4 Argon are closely matched on the LLM Stats Score at 39.4 and 55.4. Gemini 3.8 Flash Cyber is made by Google and Gemini 4 Argon is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3.8 Flash Cyber compare to Gemini 4 Argon in benchmarks?

Gemini 3.8 Flash Cyber scores Gray Swan IPI Benchmark: 94.0%, CyberGym: 86.2%, Google Real-world Vulnerability Discovery: 71.0%, CWE-Bench: 47.2%. Gemini 4 Argon scores Graphwalks BFS <128k: 99.7%, Vibe Code Bench: 91.9%, LVBench: 91.7%, LABBench2: 88.8%, Graphwalks BFS >128k: 84.2%.

What are the main differences between Gemini 3.8 Flash Cyber and Gemini 4 Argon?

Key differences include LLM Stats Score (39.4 vs 55.4), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

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