Model Comparison

Gemini 3 Flash vs Gemini 2.5 Pro Preview 06-05

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is 3.1x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

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

Gemini 3 Flash significantly outperforms across most benchmarks.

Sat Apr 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3 Flash costs less

For input processing, Gemini 3 Flash ($0.50/1M tokens) is 2.5x cheaper than Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens).

For output processing, Gemini 3 Flash ($3.00/1M tokens) is 3.3x cheaper than Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens).

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

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

Lowest available price from all providers
Sat Apr 18 2026 • llm-stats.com
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
Google
Gemini 2.5 Pro Preview 06-05
Input tokens$1.25
Output tokens$10.00
Best providerGoogle
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Context Window

Maximum input and output token capacity

Gemini 2.5 Pro Preview 06-05 accepts 1,048,576 input tokens compared to Gemini 3 Flash's 1,000,000 tokens. Gemini 3 Flash 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 3 Flash
Input1,000,000 tokens
Output65,536 tokens
Google
Gemini 2.5 Pro Preview 06-05
Input1,048,576 tokens
Output65,535 tokens
Sat Apr 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

Gemini 3 Flash

Text
Images
Audio
Video

Gemini 2.5 Pro Preview 06-05

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 Flash

Proprietary

Closed source

Gemini 2.5 Pro Preview 06-05

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05.

Gemini 3 Flash is 7 months newer than Gemini 2.5 Pro Preview 06-05.

Gemini 3 Flash

Dec 17, 2025

4 months ago

6mo newer
Gemini 2.5 Pro Preview 06-05

Jun 5, 2025

10 months ago

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 3 Flash

Jan 2025

Gemini 2.5 Pro Preview 06-05

Jan 2025

Provider Availability

Gemini 3 Flash is available from Google. Gemini 2.5 Pro Preview 06-05 is available from Google.

Gemini 3 Flash

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M

Gemini 2.5 Pro Preview 06-05

google logo
Google
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Less expensive input tokens
Less expensive output tokens
Higher AIME 2025 score (99.7% vs 88.0%)
Higher GPQA score (90.4% vs 86.4%)
Higher Humanity's Last Exam score (43.5% vs 21.6%)
Higher MRCR v2 (8-needle) score (22.1% vs 16.4%)
Higher SimpleQA score (68.7% vs 54.0%)
Higher SWE-Bench Verified score (78.0% vs 67.2%)
Higher VideoMMMU score (86.9% vs 83.6%)
Google
Larger context window (1,048,576 tokens)
Higher FACTS Grounding score (87.8% vs 61.9%)

Detailed Comparison

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

FAQ

Common questions about Gemini 3 Flash vs Gemini 2.5 Pro Preview 06-05

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is made by Google and Gemini 2.5 Pro Preview 06-05 is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. Gemini 2.5 Pro Preview 06-05 scores Global-MMLU-Lite: 89.2%, AIME 2025: 88.0%, FACTS Grounding: 87.8%, GPQA: 86.4%, VideoMMMU: 83.6%.
Gemini 3 Flash is 2.5x cheaper for input tokens. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google. Gemini 2.5 Pro Preview 06-05 costs $1.25/M input and $10.00/M output via google.
Gemini 3 Flash supports 1.0M tokens and Gemini 2.5 Pro Preview 06-05 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 1.0M), input pricing ($0.50 vs $1.25/M). See the full comparison above for benchmark-by-benchmark results.