Model Comparison
Claude Sonnet 4.5 vs Llama 4 Scout
Claude Sonnet 4.5 significantly outperforms across most benchmarks. Llama 4 Scout is 44.4x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
Claude Sonnet 4.5 outperforms in 1 benchmarks (GPQA), while Llama 4 Scout is better at 0 benchmarks.
Claude Sonnet 4.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Sonnet 4.5 ($3.00/1M tokens) is 37.5x more expensive than Llama 4 Scout ($0.08/1M tokens).
For output processing, Claude Sonnet 4.5 ($15.00/1M tokens) is 50.0x more expensive than Llama 4 Scout ($0.30/1M tokens).
In conclusion, Claude Sonnet 4.5 is more expensive than Llama 4 Scout.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Llama 4 Scout accepts 10,000,000 input tokens compared to Claude Sonnet 4.5's 200,000 tokens. Llama 4 Scout can generate longer responses up to 10,000,000 tokens, while Claude Sonnet 4.5 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Both Claude Sonnet 4.5 and Llama 4 Scout support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Sonnet 4.5
Llama 4 Scout
License
Usage and distribution terms
Claude Sonnet 4.5 is licensed under a proprietary license, while Llama 4 Scout uses Llama 4 Community License Agreement.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Llama 4 Community License Agreement
Open weights
Release Timeline
When each model was launched
Claude Sonnet 4.5 was released on 2025-09-29, while Llama 4 Scout was released on 2025-04-05.
Claude Sonnet 4.5 is 6 months newer than Llama 4 Scout.
Sep 29, 2025
7 months ago
5mo newerApr 5, 2025
1.1 years ago
Knowledge Cutoff
When training data ends
Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while Llama 4 Scout's cutoff date is not specified.
We can confirm Claude Sonnet 4.5's training data extends to 2025-01-31, but cannot make a direct comparison without Llama 4 Scout's cutoff date.
Jan 2025
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Provider Availability
Claude Sonnet 4.5 is available from Anthropic. Llama 4 Scout is available from DeepInfra, Lambda, Novita, Groq, Fireworks, Together.
Claude Sonnet 4.5
Llama 4 Scout
Outputs Comparison
Key Takeaways
Claude Sonnet 4.5
View detailsAnthropic
Detailed Comparison
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FAQ
Common questions about Claude Sonnet 4.5 vs Llama 4 Scout