Gemini 3 Pro vs Mercury 2 Comparison

Comparing Gemini 3 Pro and Mercury 2 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemini 3 Pro outperforms in 2 benchmarks (AIME 2025, GPQA), while Mercury 2 is better at 0 benchmarks.

Gemini 3 Pro significantly outperforms across most benchmarks.

Sat Mar 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Mercury 2 costs less

For input processing, Gemini 3 Pro ($2.00/1M tokens) is 8.0x more expensive than Mercury 2 ($0.25/1M tokens).

For output processing, Gemini 3 Pro ($12.00/1M tokens) is 16.0x more expensive than Mercury 2 ($0.75/1M tokens).

In conclusion, Gemini 3 Pro is more expensive than Mercury 2.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Sat Mar 14 2026 • llm-stats.com

Gemini 3 Pro

Input tokens$2.00

Output tokens$12.00

Best providerGoogle

Mercury 2

Input tokens$0.25

Output tokens$0.75

Best providerInception

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Context Window

Maximum input and output token capacity

Gemini 3 Pro accepts 1,048,576 input tokens compared to Mercury 2's 128,000 tokens. Gemini 3 Pro can generate longer responses up to 65,536 tokens, while Mercury 2 is limited to 8,192 tokens.

Gemini 3 Pro

Input1,048,576 tokens

Output65,536 tokens

Mercury 2

Input128,000 tokens

Output8,192 tokens

Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 3 Pro supports multimodal inputs, whereas Mercury 2 does not.

Gemini 3 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3 Pro

Text

Images

Audio

Video

Mercury 2

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 Pro

Proprietary

Closed source

Mercury 2

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Pro was released on 2025-11-18, while Mercury 2 was released on 2026-02-24.

Mercury 2 is 3 months newer than Gemini 3 Pro.

Gemini 3 Pro

Nov 18, 2025

3 months ago

Mercury 2

Feb 24, 2026

2 weeks ago

3mo newer

Knowledge Cutoff

When training data ends

Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while Mercury 2's cutoff date is not specified.

We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Mercury 2's cutoff date.

Gemini 3 Pro

Jan 2025

Mercury 2

—

Provider Availability

Gemini 3 Pro is available from Google. Mercury 2 is available from Inception. The availability of providers can affect quality of the model and reliability.