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Gemini 3.8 Flash Cyber vs Seed 2.0 Pro

Gemini 3.8 Flash Cyber and Seed 2.0 Pro are closely matched at 40.3 and 39.5 on the LLM Stats Score.

Google · ByteDance · Updated for 2026

Which is better?

Gemini 3.8 Flash Cyber and Seed 2.0 Pro are closely matched on the overall LLM Stats Score at 40.3 and 39.5.

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

Choose Gemini 3.8 Flash Cyber

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

Choose Seed 2.0 Pro

  • you want predictable pricing at $0.50/M input and $3.00/M output

At a glance

The differences that matter most.

Core performance indexes
40.3
#55
39.5
#57
33.1
#36
22.0
#83
29.8
#35
16.8
#77
Cost, coverage & limits
Benchmark wins
Input price
— / M
$0.50 / M
Output price
— / M
$3.00 / M
Context window
256,000

Individual benchmarks

4 reported for Gemini 3.8 Flash Cyber · 6 for Seed 2.0 Pro

No common benchmarks found

Gemini 3.8 Flash Cyber and Seed 2.0 Prodon'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 Seed 2.0 Pro specifies input context (256,000 tokens). Only Seed 2.0 Pro specifies output context (131,072 tokens).

Google
Gemini 3.8 Flash Cyber
Input- tokens
Output- tokens
ByteDance
Seed 2.0 Pro
Input256,000 tokens
Output131,072 tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Seed 2.0 Pro supports multimodal inputs, whereas Gemini 3.8 Flash Cyber does not.

Seed 2.0 Pro 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

Seed 2.0 Pro

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

Seed 2.0 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.8 Flash Cyber was released on 2026-09-02, while Seed 2.0 Pro was released on 2026-02-14.

Gemini 3.8 Flash Cyber is 7 months newer than Seed 2.0 Pro.

Gemini 3.8 Flash Cyber

Sep 2, 2026

2 weeks ago

6mo newer
Seed 2.0 Pro

Feb 14, 2026

7 months ago

Knowledge Cutoff

When training data ends

Seed 2.0 Pro has a documented knowledge cutoff of 2024-01-01, while Gemini 3.8 Flash Cyber's cutoff date is not specified.

We can confirm Seed 2.0 Pro's training data extends to 2024-01-01, but cannot make a direct comparison without Gemini 3.8 Flash Cyber's cutoff date.

Gemini 3.8 Flash Cyber

Seed 2.0 Pro

Jan 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 3.8 Flash Cyber and Seed 2.0 Pro side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash Cyber
✓ Preferred
Seed 2.0 Pro
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash Cyber vs Seed 2.0 Pro.

Which is better, Gemini 3.8 Flash Cyber or Seed 2.0 Pro?

Gemini 3.8 Flash Cyber and Seed 2.0 Pro are closely matched on the LLM Stats Score at 40.3 and 39.5. Gemini 3.8 Flash Cyber is made by Google and Seed 2.0 Pro is made by ByteDance. 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 Seed 2.0 Pro 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%. Seed 2.0 Pro scores AIME 2025: 98.3%, AIME 2026: 94.2%, GPQA: 88.9%, LiveCodeBench v6: 87.8%, BrowseComp: 77.3%.

What are the context window sizes for Gemini 3.8 Flash Cyber and Seed 2.0 Pro?

Gemini 3.8 Flash Cyber supports an unknown number of tokens and Seed 2.0 Pro supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3.8 Flash Cyber and Seed 2.0 Pro?

Key differences include LLM Stats Score (40.3 vs 39.5), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.8 Flash Cyber and Seed 2.0 Pro?

Gemini 3.8 Flash Cyber is developed by Google and Seed 2.0 Pro is developed by ByteDance.