Model Comparison

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

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
Thu Apr 16 2026 • llm-stats.com
Google
Gemini 2.5 Flash-Lite
Input tokens$0.10
Output tokens$0.40
Best providerGoogle
xAI
Grok-4.1 Fast Non-Reasoning
Input tokens$0.20
Output tokens$0.50
Best providerxAI
Notice missing or incorrect data?Start an Issue→

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.

Google
Gemini 2.5 Flash-Lite
Input1,048,576 tokens
Output65,536 tokens
xAI
Grok-4.1 Fast Non-Reasoning
Input2,000,000 tokens
Output30,000 tokens
Thu Apr 16 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

10 months ago

Grok-4.1 Fast Non-Reasoning

Nov 17, 2025

5 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

—

Provider Availability

Gemini 2.5 Flash-Lite is available from Google. Grok-4.1 Fast Non-Reasoning is available from xAI.

Gemini 2.5 Flash-Lite

google logo
Google
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M

Grok-4.1 Fast Non-Reasoning

xai logo
xAI
Input Price:Input: $0.20/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Less expensive input tokens
Less expensive output tokens
Has open weights
xAI
Larger context window (2,000,000 tokens)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 2.5 Flash-Lite
xAI
Grok-4.1 Fast Non-Reasoning

FAQ

Common questions about Gemini 2.5 Flash-Lite vs Grok-4.1 Fast Non-Reasoning

Gemini 2.5 Flash-Lite (Google) and Grok-4.1 Fast Non-Reasoning (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.
Gemini 2.5 Flash-Lite scores FACTS Grounding: 84.1%, Global-MMLU-Lite: 81.1%, MMMU: 72.9%, GPQA: 64.6%, Vibe-Eval: 51.3%.
Gemini 2.5 Flash-Lite is 2.0x cheaper for input tokens. Gemini 2.5 Flash-Lite costs $0.10/M input and $0.40/M output via google. Grok-4.1 Fast Non-Reasoning costs $0.20/M input and $0.50/M output via xai.
Gemini 2.5 Flash-Lite supports 1.0M tokens and Grok-4.1 Fast Non-Reasoning supports 2.0M 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 2.0M), input pricing ($0.10 vs $0.20/M), licensing (Creative Commons Attribution 4.0 License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.
Gemini 2.5 Flash-Lite is developed by Google and Grok-4.1 Fast Non-Reasoning is developed by xAI.