Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning): The Ultimate Performance & Pricing Comparison

Deep dive into reasoning, benchmarks, and latency insights.

The Final Verdict in the Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) Showdown

After a comprehensive analysis, Claude Opus 4.5 (Reasoning) emerges as the superior choice for users prioritizing raw intelligence and reasoning. However, Grok 4.1 Fast (Non-reasoning) remains a highly competitive option, especially for scenarios demanding faster response times and cost-efficiency. This detailed Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) comparison will break down every critical metric to help you make the best decision.

Explore best-for scenarios•Let the AI Selector recommend next steps

Model Snapshot

Key decision metrics at a glance.

Grok 4.1 Fast (Non-reasoning)

xAI

Reasoning: 3
Coding: 2
Multimodal: 2
Long Context: 3
Blended Price / 1M tokens: $0.000
P95 Latency: 1000ms
Tokens per second: 121.103tokens/sec

Claude Opus 4.5 (Reasoning)

Anthropic

Reasoning: 9
Coding: 5
Multimodal: 4
Long Context: 6
Blended Price / 1M tokens: $0.010
P95 Latency: 1000ms
Tokens per second: 83.923tokens/sec

Overall Capabilities

The capability radar provides a holistic view of the Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) matchup. This chart illustrates each model's strengths and weaknesses at a glance, forming a cornerstone of our Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) analysis.

This radar chart visually maps the core capabilities (reasoning, coding, math proxy, multimodal, long context) of `Grok 4.1 Fast (Non-reasoning)` vs `Claude Opus 4.5 (Reasoning)`.

Benchmark Breakdown

For a granular look, this chart directly compares scores across standardized benchmarks. In the critical MMLU Pro test, a key part of the Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) debate, Grok 4.1 Fast (Non-reasoning) scores 30 against Claude Opus 4.5 (Reasoning)'s 90. This data-driven approach is essential for any serious Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) comparison.

This grouped bar chart provides a side-by-side comparison for each benchmark metric.

Speed & Latency

Speed is a crucial factor in the Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) decision for interactive applications. The metrics below highlight the trade-offs you should weigh before shipping to production.

Time to First Token

Grok 4.1 Fast (Non-reasoning)300ms

Claude Opus 4.5 (Reasoning)300ms

Tokens per Second

Grok 4.1 Fast (Non-reasoning)121.103

Claude Opus 4.5 (Reasoning)83.923

Head to the playground to validate these results yourself

The Economics of Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning)

Power is only one part of the equation. This Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) pricing analysis gives you a true sense of value.

Pricing Breakdown

Compare input and output pricing at a glance.

Real-World Cost Scenario

To process 1M input tokens and generate 250k output tokens, Grok 4.1 Fast (Non-reasoning) would cost $0.000, whereas Claude Opus 4.5 (Reasoning) would cost $0.011. This practical calculation is vital for any developer considering the Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) choice.

Review the complete pricing and packaging strategy

Which Model Wins the Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) Battle for You?

Choose Grok 4.1 Fast (Non-reasoning) if...

You need the most advanced reasoning capabilities available.

Your use case demands cutting-edge AI performance.

Choose Claude Opus 4.5 (Reasoning) if...

You are developing at scale where operational costs are critical.

You prioritize cost-effectiveness over maximum performance.

Your workload requires consistent, reliable performance.

Explore all Best picks Use the AI Selector for a tailored recommendation

Your Questions about the Grok 4.1 Fast (Non-reasoning) vs Claude Opus 4.5 (Reasoning) Comparison

Review the full evaluation methodology · Read the latest analysis posts

Data source: https://artificialanalysis.ai/