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Gemini 2.5 Pro Preview 06-05 vs Gemini 3.8 Flash Cyber

Gemini 3.8 Flash Cyber leads the LLM Stats Score 42.7 to 30.0.

Google · Google · Updated for 2026

Which is better?

Gemini 3.8 Flash Cyber leads the overall LLM Stats Score 42.7 to 30.0, ranking #44 overall.

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

Choose Gemini 2.5 Pro Preview 06-05

  • you want predictable pricing at $1.25/M input and $10.00/M output

Choose Gemini 3.8 Flash Cyber

  • overall performance matters — it scores 42.7 and ranks #44 on LLM Stats
  • your work emphasizes coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Gemini 2.5 Pro Preview 06-05
Google
Gemini 3.8 Flash Cyber
Google
Core performance indexes
LLM Stats Score
30.0
#114
42.7
#44
Coding
17.0
#115
36.1
#25
Cost, coverage & limits
Benchmark wins
—
—
Input price
$1.25 / M
— / M
Output price
$10.00 / M
— / M
Context window
1,048,576
—

Individual benchmarks

13 reported for Gemini 2.5 Pro Preview 06-05 · 4 for Gemini 3.8 Flash Cyber

No common benchmarks found

Gemini 2.5 Pro Preview 06-05 and Gemini 3.8 Flash Cyberdon'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

Context Window

Maximum input and output token capacity

Only Gemini 2.5 Pro Preview 06-05 specifies input context (1,048,576 tokens). Only Gemini 2.5 Pro Preview 06-05 specifies output context (65,535 tokens).

Google
Gemini 2.5 Pro Preview 06-05
Input1,048,576 tokens
Output65,535 tokens
Google
Gemini 3.8 Flash Cyber
Input- tokens
Output- tokens
Wed Sep 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 2.5 Pro Preview 06-05 supports multimodal inputs, whereas Gemini 3.8 Flash Cyber does not.

Gemini 2.5 Pro Preview 06-05 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.5 Pro Preview 06-05

Text
Images
Audio
Video

Gemini 3.8 Flash Cyber

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 2.5 Pro Preview 06-05

Proprietary

Closed source

Gemini 3.8 Flash Cyber

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05, while Gemini 3.8 Flash Cyber was released on 2026-09-02.

Gemini 3.8 Flash Cyber is 15 months newer than Gemini 2.5 Pro Preview 06-05.

Gemini 2.5 Pro Preview 06-05

Jun 5, 2025

1.2 years ago

Gemini 3.8 Flash Cyber

Sep 2, 2026

0 days ago

1.2yr newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro Preview 06-05 has a documented knowledge cutoff of 2025-01-31, while Gemini 3.8 Flash Cyber's cutoff date is not specified.

We can confirm Gemini 2.5 Pro Preview 06-05's training data extends to 2025-01-31, but cannot make a direct comparison without Gemini 3.8 Flash Cyber's cutoff date.

Gemini 2.5 Pro Preview 06-05

Jan 2025

Gemini 3.8 Flash Cyber

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 2.5 Pro Preview 06-05 and Gemini 3.8 Flash Cyber side-by-side, then vote on the output you prefer.

Gemini 2.5 Pro Preview 06-05
✓ Preferred
Gemini 3.8 Flash Cyber
Open in Playground

FAQ

Common questions about Gemini 2.5 Pro Preview 06-05 vs Gemini 3.8 Flash Cyber.

Which is better, Gemini 2.5 Pro Preview 06-05 or Gemini 3.8 Flash Cyber?

Gemini 3.8 Flash Cyber leads the LLM Stats Score 42.7 to 30.0. Gemini 2.5 Pro Preview 06-05 is made by Google and Gemini 3.8 Flash Cyber 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 2.5 Pro Preview 06-05 compare to Gemini 3.8 Flash Cyber in benchmarks?

Gemini 2.5 Pro Preview 06-05 scores Global-MMLU-Lite: 89.2%, AIME 2025: 88.0%, FACTS Grounding: 87.8%, GPQA: 86.4%, VideoMMMU: 83.6%. 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%.

What are the context window sizes for Gemini 2.5 Pro Preview 06-05 and Gemini 3.8 Flash Cyber?

Gemini 2.5 Pro Preview 06-05 supports 1.0M tokens and Gemini 3.8 Flash Cyber supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 2.5 Pro Preview 06-05 and Gemini 3.8 Flash Cyber?

Key differences include LLM Stats Score (30.0 vs 42.7), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

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