Comprehensive side-by-side LLM comparison
o3 leads with 18.6% higher average benchmark score. Llama 4 Scout offers 19.7M more tokens in context window than o3. Llama 4 Scout is $9.62 cheaper per million tokens. Llama 4 Scout is available on 6 providers. Overall, o3 is the stronger choice for coding tasks.
Meta
Llama 4 Scout was created as an exploratory variant in the Llama 4 family, designed to investigate new architectures and optimization strategies. Built as part of Meta's commitment to advancing open-source AI, it serves as a testbed for innovations that may inform future model releases.
OpenAI
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
11 days newer

Llama 4 Scout
Meta
2025-04-05

o3
OpenAI
2025-04-16
Cost per million tokens (USD)

Llama 4 Scout

o3
Context window and performance specifications
Average performance across 3 common benchmarks

Llama 4 Scout

o3
o3
2024-05-31
Available providers and their performance metrics

Llama 4 Scout
DeepInfra
Fireworks
Groq
Lambda
Novita

Llama 4 Scout

o3

Llama 4 Scout

o3
Together

o3
OpenAI