Model Comparison

Gemini 3.5 Flash Cyber vs Mercury 2Which is better in 2026?

Comparing Gemini 3.5 Flash Cyber and Mercury 2 across benchmarks, pricing, and capabilities.

Verdict: Gemini 3.5 Flash Cyber vs Mercury 2 — which is better?

Gemini 3.5 Flash Cyber (by Google) and Mercury 2 (by Inception) 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 Mercury 2 if…

  • you want predictable pricing at $0.25/M input and $0.75/M output

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 3.5 Flash Cyber and Mercury 2don'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 Mercury 2 specifies input context (128,000 tokens). Only Mercury 2 specifies output context (8,192 tokens).

Google
Gemini 3.5 Flash Cyber
Input- tokens
Output- tokens
Inception
Mercury 2
Input128,000 tokens
Output8,192 tokens
Mon Jul 27 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 3.5 Flash Cyber

Proprietary

Closed source

Mercury 2

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.5 Flash Cyber was released on 2026-07-21, while Mercury 2 was released on 2026-02-24.

Gemini 3.5 Flash Cyber is 5 months newer than Mercury 2.

Gemini 3.5 Flash Cyber

Jul 21, 2026

5 days ago

4mo newer
Mercury 2

Feb 24, 2026

5 months ago

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?Start an Issue discussion→

Key Takeaways

Google

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

Inception
Larger context window (128,000 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 3.5 Flash Cyber and Mercury 2 side-by-side, then vote on the output you prefer.

Gemini 3.5 Flash Cyber
✓ Preferred
Mercury 2
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 3.5 Flash Cyber
Inception
Mercury 2

FAQ

Common questions about Gemini 3.5 Flash Cyber vs Mercury 2.

Which is better, Gemini 3.5 Flash Cyber or Mercury 2?

Gemini 3.5 Flash Cyber (Google) and Mercury 2 (Inception) 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 Mercury 2 in benchmarks?

Gemini 3.5 Flash Cyber scores CyberGym: 83.2%. Mercury 2 scores AIME 2025: 91.1%, GPQA: 74.0%, IFBench: 71.0%, LiveCodeBench: 67.0%, Tau2 Airline: 53.0%.

What are the context window sizes for Gemini 3.5 Flash Cyber and Mercury 2?

Gemini 3.5 Flash Cyber supports an unknown number of tokens and Mercury 2 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Gemini 3.5 Flash Cyber and Mercury 2?

Gemini 3.5 Flash Cyber is developed by Google and Mercury 2 is developed by Inception.

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