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Gemini 1.0 Pro vs Gemini 3.5 Flash-Lite

Gemini 3.5 Flash-Lite leads the LLM Stats Score 29.8 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 29.8 to -5.4, ranking #127 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 29.8 and ranks #127 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.

Gemini 1.0 Pro
Google
Gemini 3.5 Flash-Lite
Google
Core performance indexes
LLM Stats Score
-5.4
#360
29.8
#127
Reasoning
-8.0
#359
25.8
#152
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.50 / M
$0.30 / M
Output price
$1.50 / M
$2.50 / M
Context window
32,760
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Gemini 1.0 Pro
Gemini 3.5 Flash-Lite
Vision
-8.7#206
19.3#76
Multimodal
-6.2#167
21.6#65
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Gemini 1.0 Pro · 6 for Gemini 3.5 Flash-Lite

No common benchmarks found

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

Gemini 1.0 Pro costs less

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

Lowest available price from all providers
Tue Sep 22 2026 • llm-stats.com
Google
Gemini 1.0 Pro
Input tokens$0.50
Output tokens$1.50
Best providerGoogle
Google
Gemini 3.5 Flash-Lite
Input tokens$0.30
Output tokens$2.50
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

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.

Google
Gemini 1.0 Pro
Input32,760 tokens
Output8,192 tokens
Google
Gemini 3.5 Flash-Lite
Input1,048,576 tokens
Output65,536 tokens
Tue Sep 22 2026 • llm-stats.com

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

Text
Images
Audio
Video

Gemini 3.5 Flash-Lite

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 3.5 Flash-Lite

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.

Gemini 1.0 Pro

Feb 15, 2024

2.6 years ago

Gemini 3.5 Flash-Lite

Jul 21, 2026

2 months ago

2.4yr newer

Knowledge 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).

Gemini 1.0 Pro

Feb 2024

Gemini 3.5 Flash-Lite

Mar 2026

2.1 yr newer

Provider Availability

Gemini 1.0 Pro is available from Google. Gemini 3.5 Flash-Lite is available from Google.

Gemini 1.0 Pro

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

Gemini 3.5 Flash-Lite

google logo
Google
Input Price:Input: $0.30/1MOutput Price:Output: $2.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

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.

Gemini 1.0 Pro
✓ Preferred
Gemini 3.5 Flash-Lite
Open in Playground

FAQ

Common questions about Gemini 1.0 Pro vs Gemini 3.5 Flash-Lite.

Which is better, Gemini 1.0 Pro or Gemini 3.5 Flash-Lite?

Gemini 3.5 Flash-Lite leads the LLM Stats Score 29.8 to -5.4. Gemini 1.0 Pro is made by Google and Gemini 3.5 Flash-Lite is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 1.0 Pro compare to Gemini 3.5 Flash-Lite in benchmarks?

Gemini 1.0 Pro scores FLEURS: 93.6%, BIG-Bench: 75.0%, MMLU: 71.8%, WMT23: 71.7%, EgoSchema: 55.7%. Gemini 3.5 Flash-Lite scores CharXiv-R: 76.5%, OSWorld-Verified: 74.0%, SWE-Bench Pro: 54.2%, Terminal-Bench 2.1: 54.0%, MLE-Bench: 39.2%.

Is Gemini 1.0 Pro cheaper than Gemini 3.5 Flash-Lite?

Gemini 3.5 Flash-Lite is 1.7x cheaper for input tokens. Gemini 1.0 Pro costs $0.50/M input and $1.50/M output via google. Gemini 3.5 Flash-Lite costs $0.30/M input and $2.50/M output via google.

What are the context window sizes for Gemini 1.0 Pro and Gemini 3.5 Flash-Lite?

Gemini 1.0 Pro supports 33K tokens and Gemini 3.5 Flash-Lite supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 1.0 Pro and Gemini 3.5 Flash-Lite?

Key differences include LLM Stats Score (-5.4 vs 29.8), context window (33K vs 1.0M), input pricing ($0.50 vs $0.30/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

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