Gemini 2.5 Flash-Lite vs Grok-4.1 Fast Non-Reasoning Comparison

Comparing Gemini 2.5 Flash-Lite and Grok-4.1 Fast Non-Reasoning across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 2.5 Flash-Lite and Grok-4.1 Fast Non-Reasoning don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 2.5 Flash-Lite costs less

For input processing, Gemini 2.5 Flash-Lite ($0.10/1M tokens) is 2.0x cheaper than Grok-4.1 Fast Non-Reasoning ($0.20/1M tokens).

For output processing, Gemini 2.5 Flash-Lite ($0.40/1M tokens) is 1.3x cheaper than Grok-4.1 Fast Non-Reasoning ($0.50/1M tokens).

In conclusion, Grok-4.1 Fast Non-Reasoning is more expensive than Gemini 2.5 Flash-Lite.*

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

Lowest available price from all providers

Tue Mar 17 2026 • llm-stats.com

Gemini 2.5 Flash-Lite

Input tokens$0.10

Output tokens$0.40

Best providerGoogle

Grok-4.1 Fast Non-Reasoning

Input tokens$0.20

Output tokens$0.50

Best providerxAI

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Context Window

Maximum input and output token capacity

Grok-4.1 Fast Non-Reasoning accepts 2,000,000 input tokens compared to Gemini 2.5 Flash-Lite's 1,048,576 tokens. Gemini 2.5 Flash-Lite can generate longer responses up to 65,536 tokens, while Grok-4.1 Fast Non-Reasoning is limited to 30,000 tokens.

Gemini 2.5 Flash-Lite

Input1,048,576 tokens

Output65,536 tokens

Grok-4.1 Fast Non-Reasoning

Input2,000,000 tokens

Output30,000 tokens

Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 2.5 Flash-Lite and Grok-4.1 Fast Non-Reasoning support multimodal inputs.

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

Gemini 2.5 Flash-Lite

Text

Images

Audio

Video

Grok-4.1 Fast Non-Reasoning

Text

Images

Audio

Video

License

Usage and distribution terms

Gemini 2.5 Flash-Lite is licensed under Creative Commons Attribution 4.0 License, while Grok-4.1 Fast Non-Reasoning uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Gemini 2.5 Flash-Lite

Creative Commons Attribution 4.0 License

Open weights

Grok-4.1 Fast Non-Reasoning

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.5 Flash-Lite was released on 2025-06-17, while Grok-4.1 Fast Non-Reasoning was released on 2025-11-17.

Grok-4.1 Fast Non-Reasoning is 5 months newer than Gemini 2.5 Flash-Lite.

Gemini 2.5 Flash-Lite

Jun 17, 2025

9 months ago

Grok-4.1 Fast Non-Reasoning

Nov 17, 2025

4 months ago

5mo newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Flash-Lite has a documented knowledge cutoff of 2025-01-01, while Grok-4.1 Fast Non-Reasoning's cutoff date is not specified.

We can confirm Gemini 2.5 Flash-Lite's training data extends to 2025-01-01, but cannot make a direct comparison without Grok-4.1 Fast Non-Reasoning's cutoff date.

Gemini 2.5 Flash-Lite

Jan 2025

Grok-4.1 Fast Non-Reasoning

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Provider Availability

Gemini 2.5 Flash-Lite is available from Google. Grok-4.1 Fast Non-Reasoning is available from xAI. The availability of providers can affect quality of the model and reliability.