Gemini 1.0 Pro vs Gemini 1.5 Flash Comparison

Comparing Gemini 1.0 Pro and Gemini 1.5 Flash across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

7 benchmarks

Gemini 1.0 Pro outperforms in 0 benchmarks, while Gemini 1.5 Flash is better at 7 benchmarks (FLEURS, GPQA, MATH, MathVista, MMLU, MMMU, WMT23).

Gemini 1.5 Flash 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 1.5 Flash costs less

For input processing, Gemini 1.0 Pro ($0.50/1M tokens) is 3.3x more expensive than Gemini 1.5 Flash ($0.15/1M tokens).

For output processing, Gemini 1.0 Pro ($1.50/1M tokens) is 2.5x more expensive than Gemini 1.5 Flash ($0.60/1M tokens).

In conclusion, Gemini 1.0 Pro is more expensive than Gemini 1.5 Flash.*

* 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 1.0 Pro
Input tokens$0.50
Output tokens$1.50
Best providerGoogle
Google
Gemini 1.5 Flash
Input tokens$0.15
Output tokens$0.60
Best providerGoogle
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Gemini 1.5 Flash accepts 1,048,576 input tokens compared to Gemini 1.0 Pro's 32,760 tokens. Both models can generate responses up to 8,192 tokens.

Google
Gemini 1.0 Pro
Input32,760 tokens
Output8,192 tokens
Google
Gemini 1.5 Flash
Input1,048,576 tokens
Output8,192 tokens
Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 1.5 Flash supports multimodal inputs, whereas Gemini 1.0 Pro does not.

Gemini 1.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 1.0 Pro

Text
Images
Audio
Video

Gemini 1.5 Flash

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 1.0 Pro

Proprietary

Closed source

Gemini 1.5 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.0 Pro was released on 2024-02-15, while Gemini 1.5 Flash was released on 2024-05-01.

Gemini 1.5 Flash is 3 months newer than Gemini 1.0 Pro.

Gemini 1.0 Pro

Feb 15, 2024

2.1 years ago

Gemini 1.5 Flash

May 1, 2024

1.9 years ago

2mo newer

Knowledge Cutoff

When training data ends

Gemini 1.0 Pro has a knowledge cutoff of 2024-02-01, while Gemini 1.5 Flash has a cutoff of 2023-11-01.

Gemini 1.0 Pro has more recent training data (up to 2024-02-01), making it potentially better informed about events through that date compared to Gemini 1.5 Flash (2023-11-01).

Gemini 1.0 Pro

Feb 2024

3 mo newer
Gemini 1.5 Flash

Nov 2023

Provider Availability

Gemini 1.0 Pro is available from Google. Gemini 1.5 Flash is available from Google. The availability of providers can affect quality of the model and reliability.

Gemini 1.0 Pro

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $1.50/1M

Gemini 1.5 Flash

google logo
Google
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher FLEURS score (9.6% vs 6.4%)
Higher GPQA score (51.0% vs 27.9%)
Higher MATH score (77.9% vs 32.6%)
Higher MathVista score (65.8% vs 46.6%)
Higher MMLU score (78.9% vs 71.8%)
Higher MMMU score (62.3% vs 47.9%)
Higher WMT23 score (74.1% vs 71.7%)
GoogleGemini 1.0 Pro
GoogleGemini 1.5 Flash

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 1.0 Pro
Google
Gemini 1.5 Flash