Gemini 2.5 Pro Preview 06-05 vs Gemini 3 Pro Comparison

Comparing Gemini 2.5 Pro Preview 06-05 and Gemini 3 Pro across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

Gemini 2.5 Pro Preview 06-05 outperforms in 1 benchmarks (FACTS Grounding), while Gemini 3 Pro is better at 7 benchmarks (AIME 2025, GPQA, Humanity's Last Exam, MRCR v2 (8-needle), SimpleQA, SWE-Bench Verified, VideoMMMU).

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

Gemini 2.5 Pro Preview 06-05 costs less

For input processing, Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens) is 1.6x cheaper than Gemini 3 Pro ($2.00/1M tokens).

For output processing, Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens) is 1.2x cheaper than Gemini 3 Pro ($12.00/1M tokens).

In conclusion, Gemini 3 Pro is more expensive than Gemini 2.5 Pro Preview 06-05.*

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

Lowest available price from all providers
Sat Mar 14 2026 • llm-stats.com
Google
Gemini 2.5 Pro Preview 06-05
Input tokens$1.25
Output tokens$10.00
Best providerGoogle
Google
Gemini 3 Pro
Input tokens$2.00
Output tokens$12.00
Best providerGoogle
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Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. Gemini 3 Pro can generate longer responses up to 65,536 tokens, while Gemini 2.5 Pro Preview 06-05 is limited to 65,535 tokens.

Google
Gemini 2.5 Pro Preview 06-05
Input1,048,576 tokens
Output65,535 tokens
Google
Gemini 3 Pro
Input1,048,576 tokens
Output65,536 tokens
Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 2.5 Pro Preview 06-05 and Gemini 3 Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 2.5 Pro Preview 06-05

Text
Images
Audio
Video

Gemini 3 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 2.5 Pro Preview 06-05

Proprietary

Closed source

Gemini 3 Pro

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 Pro was released on 2025-11-18.

Gemini 3 Pro is 6 months newer than Gemini 2.5 Pro Preview 06-05.

Gemini 2.5 Pro Preview 06-05

Jun 5, 2025

9 months ago

Gemini 3 Pro

Nov 18, 2025

3 months ago

5mo newer

Knowledge Cutoff

When training data ends

Both models have the same knowledge cutoff date of 2025-01-31.

They should have similar awareness of historical events and information up to this date.

Gemini 2.5 Pro Preview 06-05

Jan 2025

Gemini 3 Pro

Jan 2025

Provider Availability

Gemini 2.5 Pro Preview 06-05 is available from Google. Gemini 3 Pro is available from Google. The availability of providers can affect quality of the model and reliability.

Gemini 2.5 Pro Preview 06-05

google logo
Google
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M

Gemini 3 Pro

google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $12.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Less expensive input tokens
Less expensive output tokens
Higher FACTS Grounding score (87.8% vs 70.5%)
Higher AIME 2025 score (100.0% vs 88.0%)
Higher GPQA score (91.9% vs 86.4%)
Higher Humanity's Last Exam score (45.8% vs 21.6%)
Higher MRCR v2 (8-needle) score (26.3% vs 16.4%)
Higher SimpleQA score (72.1% vs 54.0%)
Higher SWE-Bench Verified score (76.2% vs 67.2%)
Higher VideoMMMU score (87.6% vs 83.6%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 2.5 Pro Preview 06-05
Google
Gemini 3 Pro