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
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.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
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
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.
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
Gemini 3 Pro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
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.
Jun 5, 2025
9 months ago
Nov 18, 2025
3 months ago
5mo newerKnowledge 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.
Jan 2025
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
Gemini 3 Pro
Outputs Comparison
Key Takeaways
Gemini 3 Pro
View detailsDetailed Comparison
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