Model Comparison

Grok-4.1 Fast Reasoning vs Nova Lite

Comparing Grok-4.1 Fast Reasoning and Nova Lite across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok-4.1 Fast Reasoning and Nova Lite 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

Nova Lite costs less

For input processing, Grok-4.1 Fast Reasoning ($0.20/1M tokens) is 3.3x more expensive than Nova Lite ($0.06/1M tokens).

For output processing, Grok-4.1 Fast Reasoning ($0.50/1M tokens) is 2.1x more expensive than Nova Lite ($0.24/1M tokens).

In conclusion, Grok-4.1 Fast Reasoning is more expensive than Nova Lite.*

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

Lowest available price from all providers
Thu May 14 2026 • llm-stats.com
xAI
Grok-4.1 Fast Reasoning
Input tokens$0.20
Output tokens$0.50
Best providerxAI
Amazon
Nova Lite
Input tokens$0.06
Output tokens$0.24
Best providerAWS Bedrock
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Grok-4.1 Fast Reasoning accepts 2,000,000 input tokens compared to Nova Lite's 300,000 tokens. Grok-4.1 Fast Reasoning can generate longer responses up to 30,000 tokens, while Nova Lite is limited to 2,048 tokens.

xAI
Grok-4.1 Fast Reasoning
Input2,000,000 tokens
Output30,000 tokens
Amazon
Nova Lite
Input300,000 tokens
Output2,048 tokens
Thu May 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok-4.1 Fast Reasoning and Nova Lite support multimodal inputs.

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

Grok-4.1 Fast Reasoning

Text
Images
Audio
Video

Nova 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.

Grok-4.1 Fast Reasoning

Proprietary

Closed source

Nova Lite

Proprietary

Closed source

Release Timeline

When each model was launched

Grok-4.1 Fast Reasoning was released on 2025-11-17, while Nova Lite was released on 2024-11-20.

Grok-4.1 Fast Reasoning is 12 months newer than Nova Lite.

Grok-4.1 Fast Reasoning

Nov 17, 2025

5 months ago

12mo newer
Nova Lite

Nov 20, 2024

1.5 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Grok-4.1 Fast Reasoning is available from xAI. Nova Lite is available from Bedrock.

Grok-4.1 Fast Reasoning

xai logo
xAI
Input Price:Input: $0.20/1MOutput Price:Output: $0.50/1M

Nova Lite

bedrock logo
AWS Bedrock
Input Price:Input: $0.06/1MOutput Price:Output: $0.24/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

xAI
Larger context window (2,000,000 tokens)
Amazon
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-4.1 Fast Reasoning
Amazon
Nova Lite

FAQ

Common questions about Grok-4.1 Fast Reasoning vs Nova Lite.

Which is better, Grok-4.1 Fast Reasoning or Nova Lite?

Grok-4.1 Fast Reasoning (xAI) and Nova Lite (Amazon) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Grok-4.1 Fast Reasoning compare to Nova Lite in benchmarks?

Nova Lite scores GSM8k: 94.5%, ARC-C: 92.4%, DocVQA: 92.4%, IFEval: 89.7%, Translation en→Set1 COMET22: 88.8%.

Is Grok-4.1 Fast Reasoning cheaper than Nova Lite?

Nova Lite is 3.3x cheaper for input tokens. Grok-4.1 Fast Reasoning costs $0.20/M input and $0.50/M output via xai. Nova Lite costs $0.06/M input and $0.24/M output via bedrock.

What are the context window sizes for Grok-4.1 Fast Reasoning and Nova Lite?

Grok-4.1 Fast Reasoning supports 2.0M tokens and Nova Lite supports 300K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-4.1 Fast Reasoning and Nova Lite?

Key differences include context window (2.0M vs 300K), input pricing ($0.20 vs $0.06/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4.1 Fast Reasoning and Nova Lite?

Grok-4.1 Fast Reasoning is developed by xAI and Nova Lite is developed by Amazon.