Gemini 1.0 Pro vs Gemini 3.5 Flash-Lite
Gemini 3.5 Flash-Lite leads the LLM Stats Score 29.9 to -5.4. Gemini 1.0 Pro is 1.1x cheaper per token.
Google · Google · Updated for 2026
Which is better?
Gemini 3.5 Flash-Lite leads the overall LLM Stats Score 29.9 to -5.4, ranking #123 overall.
On price, Gemini 1.0 Pro is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 3.5 Flash-Lite also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemini 1.0 Pro
- cost matters — it's about 1.1x cheaper per token
Choose Gemini 3.5 Flash-Lite
- overall performance matters — it scores 29.9 and ranks #123 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Jul 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for Gemini 1.0 Pro · 6 for Gemini 3.5 Flash-Lite
Gemini 1.0 Pro and Gemini 3.5 Flash-Litedon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 1.0 Pro ($0.50/1M tokens) is 1.7x more expensive than Gemini 3.5 Flash-Lite ($0.30/1M tokens).
For output processing, Gemini 1.0 Pro ($1.50/1M tokens) is 1.7x cheaper than Gemini 3.5 Flash-Lite ($2.50/1M tokens).
In conclusion, Gemini 3.5 Flash-Lite is more expensive than Gemini 1.0 Pro.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 3.5 Flash-Lite accepts 1,048,576 input tokens compared to Gemini 1.0 Pro's 32,760 tokens. Gemini 3.5 Flash-Lite can generate longer responses up to 65,536 tokens, while Gemini 1.0 Pro is limited to 8,192 tokens.
Input capabilities
Documented input modalities across available providers
Gemini 3.5 Flash-Lite supports multimodal inputs, whereas Gemini 1.0 Pro does not.
Gemini 3.5 Flash-Lite can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 1.0 Pro
Gemini 3.5 Flash-Lite
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 1.0 Pro was released on 2024-02-15, while Gemini 3.5 Flash-Lite was released on 2026-07-21.
Gemini 3.5 Flash-Lite is 30 months newer than Gemini 1.0 Pro.
Feb 15, 2024
2.6 years ago
Jul 21, 2026
1 months ago
2.4yr newerKnowledge Cutoff
When training data ends
Gemini 1.0 Pro has a knowledge cutoff of 2024-02-01, while Gemini 3.5 Flash-Lite has a cutoff of 2026-03-31.
Gemini 3.5 Flash-Lite has more recent training data (up to 2026-03-31), making it potentially better informed about events through that date compared to Gemini 1.0 Pro (2024-02-01).
Feb 2024
Mar 2026
2.1 yr newerProvider Availability
Gemini 1.0 Pro is available from Google. Gemini 3.5 Flash-Lite is available from Google.
Gemini 1.0 Pro
Gemini 3.5 Flash-Lite
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 1.0 Pro and Gemini 3.5 Flash-Lite side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 1.0 Pro vs Gemini 3.5 Flash-Lite.