Model Comparison
Claude Sonnet 4 vs Llama 4 ScoutWhich is better in 2026?
Claude Sonnet 4 significantly outperforms across most benchmarks. Llama 4 Scout is 44.4x cheaper per token.
Verdict: Claude Sonnet 4 vs Llama 4 Scout — which is better?
Claude Sonnet 4 (by Anthropic) and Llama 4 Scout (by Meta) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Claude Sonnet 4 outperforms in 2 benchmarks (GPQA, MMMU), while Llama 4 Scout is better at 0 benchmarks. Claude Sonnet 4 significantly outperforms across most benchmarks.
On price, Llama 4 Scout is roughly 44.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Llama 4 Scout also accepts a larger context window (10,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Sonnet 4 if…
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- you want the most recent training data — it shipped May 2025
Choose Llama 4 Scout if…
- cost matters — it's about 44.4x cheaper per token
- you process long inputs — it offers a 10,000,000 token context window
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude Sonnet 4 outperforms in 2 benchmarks (GPQA, MMMU), while Llama 4 Scout is better at 0 benchmarks.
Claude Sonnet 4 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Sonnet 4 ($3.00/1M tokens) is 37.5x more expensive than Llama 4 Scout ($0.08/1M tokens).
For output processing, Claude Sonnet 4 ($15.00/1M tokens) is 50.0x more expensive than Llama 4 Scout ($0.30/1M tokens).
In conclusion, Claude Sonnet 4 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's 200,000 tokens. Llama 4 Scout can generate longer responses up to 10,000,000 tokens, while Claude Sonnet 4 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Both Claude Sonnet 4 and Llama 4 Scout support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Sonnet 4
Llama 4 Scout
License
Usage and distribution terms
Claude Sonnet 4 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 was released on 2025-05-22, while Llama 4 Scout was released on 2025-04-05.
Claude Sonnet 4 is 2 months newer than Llama 4 Scout.
May 22, 2025
1.1 years ago
1mo newerApr 5, 2025
1.2 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude Sonnet 4 is available from Anthropic, Bedrock, Google. Llama 4 Scout is available from DeepInfra, Lambda, Novita, Groq, Fireworks, Together.
Claude Sonnet 4
Llama 4 Scout
Outputs Comparison
Key Takeaways
Claude Sonnet 4
View detailsAnthropic
Claude Sonnet 4Llama 4 ScoutDetailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Claude Sonnet 4 and Llama 4 Scout side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Claude Sonnet 4 vs Llama 4 Scout.