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Gemini 3.8 Flash Cyber vs Mercury 3

Gemini 3.8 Flash Cyber and Mercury 3 are closely matched at 39.3 and 36.1 on the LLM Stats Score.

Google · Inception · Updated for 2026

Which is better?

Gemini 3.8 Flash Cyber and Mercury 3 are closely matched on the overall LLM Stats Score at 39.3 and 36.1.

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

Choose Gemini 3.8 Flash Cyber

  • your work emphasizes agents — it leads those capability indexes

Choose Mercury 3

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

At a glance

The differences that matter most.

Gemini 3.8 Flash Cyber
Google
Mercury 3
Inception
Core performance indexes
LLM Stats Score
39.3
#74
36.1
#98
Coding
31.8
#53
21.5
#105
Agents
28.6
#56
19.4
#84
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.10 / M
Output price
— / M
$0.35 / M
Context window
—
1,000,000

Individual benchmarks

4 reported for Gemini 3.8 Flash Cyber · 12 for Mercury 3

No common benchmarks found

Gemini 3.8 Flash Cyber and Mercury 3don'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 Mercury 3 specifies input context (1,000,000 tokens). Only Mercury 3 specifies output context (131,072 tokens).

Google
Gemini 3.8 Flash Cyber
Input- tokens
Output- tokens
Inception
Mercury 3
Input1,000,000 tokens
Output131,072 tokens
Thu Oct 22 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 3.8 Flash Cyber

Proprietary

Closed source

Mercury 3

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.8 Flash Cyber was released on 2026-09-02, while Mercury 3 was released on 2026-10-19.

Mercury 3 is 2 months newer than Gemini 3.8 Flash Cyber.

Gemini 3.8 Flash Cyber

Sep 2, 2026

1 months ago

Mercury 3

Oct 19, 2026

0 days ago

1mo 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 Mercury 3 side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash Cyber
✓ Preferred
Mercury 3
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash Cyber vs Mercury 3.

Which is better, Gemini 3.8 Flash Cyber or Mercury 3?

Gemini 3.8 Flash Cyber and Mercury 3 are closely matched on the LLM Stats Score at 39.3 and 36.1. Gemini 3.8 Flash Cyber is made by Google and Mercury 3 is made by Inception. 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 Mercury 3 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%. Mercury 3 scores GPQA: 89.2%, AA-LCR: 77.7%, IFBench: 76.8%, MRCR v2: 75.5%, DeepSearchQA: 71.3%.

What are the context window sizes for Gemini 3.8 Flash Cyber and Mercury 3?

Gemini 3.8 Flash Cyber supports an unknown number of tokens and Mercury 3 supports 1.0M 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 Mercury 3?

Key differences include LLM Stats Score (39.3 vs 36.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.8 Flash Cyber and Mercury 3?

Gemini 3.8 Flash Cyber is developed by Google and Mercury 3 is developed by Inception.

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