Model Comparison
Llama 4 Scout vs Phi-3.5-mini-instructWhich is better in 2026?
Llama 4 Scout significantly outperforms across most benchmarks. Phi-3.5-mini-instruct is 1.4x cheaper per token.
Verdict: Llama 4 Scout vs Phi-3.5-mini-instruct — which is better?
Llama 4 Scout (by Meta) and Phi-3.5-mini-instruct (by Microsoft) 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.
Llama 4 Scout outperforms in 5 benchmarks (GPQA, MATH, MGSM, MMLU, MMLU-Pro), while Phi-3.5-mini-instruct is better at 1 benchmark (MBPP). Llama 4 Scout significantly outperforms across most benchmarks.
On price, Phi-3.5-mini-instruct is roughly 1.4x 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 Llama 4 Scout if…
- you want the strongest raw capability — it leads on 5 of 6 shared benchmarks
- you process long inputs — it offers a 10,000,000 token context window
- you want the most recent training data — it shipped Apr 2025
Choose Phi-3.5-mini-instruct if…
- cost matters — it's about 1.4x cheaper per token
Performance Benchmarks
Comparative analysis across standard metrics
Llama 4 Scout outperforms in 5 benchmarks (GPQA, MATH, MGSM, MMLU, MMLU-Pro), while Phi-3.5-mini-instruct is better at 1 benchmark (MBPP).
Llama 4 Scout significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Llama 4 Scout ($0.08/1M tokens) is 1.3x cheaper than Phi-3.5-mini-instruct ($0.10/1M tokens).
For output processing, Llama 4 Scout ($0.30/1M tokens) is 3.0x more expensive than Phi-3.5-mini-instruct ($0.10/1M tokens).
In conclusion, Llama 4 Scout is more expensive than Phi-3.5-mini-instruct.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Llama 4 Scout has 105.2B more parameters than Phi-3.5-mini-instruct, making it 2768.4% larger.
Context Window
Maximum input and output token capacity
Llama 4 Scout accepts 10,000,000 input tokens compared to Phi-3.5-mini-instruct's 128,000 tokens. Llama 4 Scout can generate longer responses up to 10,000,000 tokens, while Phi-3.5-mini-instruct is limited to 128,000 tokens.
Input Capabilities
Supported data types and modalities
Llama 4 Scout supports multimodal inputs, whereas Phi-3.5-mini-instruct does not.
Llama 4 Scout can handle both text and other forms of data like images, making it suitable for multimodal applications.
Llama 4 Scout
Phi-3.5-mini-instruct
License
Usage and distribution terms
Llama 4 Scout is licensed under Llama 4 Community License Agreement, while Phi-3.5-mini-instruct uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Llama 4 Community License Agreement
Open weights
MIT
Open weights
Release Timeline
When each model was launched
Llama 4 Scout was released on 2025-04-05, while Phi-3.5-mini-instruct was released on 2024-08-23.
Llama 4 Scout is 8 months newer than Phi-3.5-mini-instruct.
Apr 5, 2025
1.3 years ago
7mo newerAug 23, 2024
1.9 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
Llama 4 Scout is available from DeepInfra, Lambda, Novita, Groq, Fireworks, Together. Phi-3.5-mini-instruct is available from Azure.
Llama 4 Scout
Phi-3.5-mini-instruct
Outputs Comparison
Key Takeaways
Phi-3.5-mini-instruct
View detailsMicrosoft
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Llama 4 Scout and Phi-3.5-mini-instruct side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Llama 4 Scout vs Phi-3.5-mini-instruct.